| ReturnTo Theme-Group-Choice | Onelevelup |
| 4G077 | Crystals, and after-treatments of crystals | |
| C30B1/00 -35/00 | ||
| C30B1/00-35/00 | AA | AA00 FORMS OF CRYSTALS AS PURPOSE OR FOR TREATMENTS |
AA01 | AA02 | AA03 | AA04 | AA07 | AA08 | AA10 | |||
| . Granular | . bulky e.g. ingot-like | . filmy | . Filamentary fibrous or whisker-like | . Polycrystalline materials oriented in selected direction | . Polycrystalline materials comprising crystal grains larger than normal | . Others | ||||||
| AB | AB00 FEATURES OF CRYSTALS PER SE (CLASSIFIED BASED ON THE CLAIMS) |
AB01 | AB02 | AB03 | AB04 | AB05 | AB06 | AB07 | AB08 | AB09 | AB10 | |
| . Specification of impurity concentration carrier concentration or dislocation concentration | . Specification of orientations of grown crystals | . Specification of physical property values | . . Specification of optical property values | . . Specification of magnetic property values | . . Specification of electrical property values | . . Specification of lattice constants and lattice spacing | . . Specification of spectral values for X-rays infrared rays or the like | . Specification of crystal diameter fibre length or fibre diameter | . Others | |||
| BA | BA00 MATERIALS 1, E.G. ELEMENTS, ALLOYS |
BA01 | BA02 | BA03 | BA04 | BA05 | BA07 | BA08 | BA09 | BA10 | ||
| . Elements * | . . Carbon | . . . Diamonds including diamond-like carbon | . . Si | . . Ge | . Alloys * | . . containing Ni | . . containing Fe | . . containing Si (see BE05 for binary alloys with silicon) | ||||
| BB | BB00 MATERIALS 2, E.G. OXIDES |
BB01 | BB02 | BB03 | BB04 | BB05 | BB06 | BB07 | BB08 | BB09 | BB10 | |
| . of Al | . of Mg | . of Si | . of Ti | . of Fe | . of Te | . of Zn | . of V | . of Sn | . Others * | |||
| BC | BC00 MATERIALS 3, E.G. COMPOSITE OXIDES |
BC01 | BC02 | BC03 | BC05 | BC06 | BC07 | BC08 | ||||
| . containing Al (other places take precedence) * | . containing Bi (other places take precedence) * | . . containing in alkaline-earth metals or Pb | . Ferrites | . . containing Ba Sr or Pb | . . containing Zn | . . . containing Zn and Mn | ||||||
| BC11 | BC12 | BC13 | BC15 | BC16 | BC17 | |||||||
| . AMO3 type of which a part or the entirety of A is a rare earth element * | . . M being Fe | . . M being Al | . AM2O4 type (see BC05 for M being Fe) * | . . MgAl2O4 or spinel | . . BeAl2O4 or chrysoberyl | |||||||
| BC21 | BC22 | BC23 | BC24 | BC25 | BC27 | BC28 | ||||||
| . A3M5O12 where a part or the entirety of A is a rare earth element * | . . containing Fe but not containing Ga or Al | . . containing Ga but not Fe or Al | . . containing Al but not Fe or Ga | . . containing two or more of Fe Ga or Al | . . containing Bi (multiple classification place) | . . containing Gd (multiple classification place) | ||||||
| BC31 | BC32 | BC33 | BC34 | BC36 | BC37 | BC38 | BC40 | |||||
| . Niobates * | . . Lithium niobate | . . containing alkaline-earth elements | . . containing Pb | . Tantalates * | . . Lithium tantalate or LiTaO3 | . Vanadates * | . Composite acid salts of Nb Ta and V | |||||
| BC41 | BC42 | BC43 | BC44 | BC45 | BC46 | BC47 | BC48 | BC50 | ||||
| . Titanates * | . . containing alkaline-earth elements | . . containing Pb | . Germanates * | . . containing Bi | . Molybdates * | . . containing Pb | . Tungstates * | . Cuprates or -CuxOy type compounds (BC51 takes precedence) | ||||
| BC51 | BC52 | BC53 | BC54 | BC55 | BC56 | BC57 | BC58 | BC60 | ||||
| . Superconducting oxides * | . . containing Cu (BC57 takes precedence) | . . . RE-(Ca Sr Ba)-Cu-O | . . . . containing Pb | . . . . RE-Sr-Ca-Cu-O | . . . Tl-(Ca Sr Ba)-Cu-O | . . containing Bi * | . . . Bi-(Ca Sr Ba)-Cu-O | . Others | ||||
| BD | BD00 MATERIALS 4, E.G. OXO ACID SALTS |
BD01 | BD02 | BD03 | BD04 | BD06 | BD07 | BD08 | BD09 | BD10 | ||
| . Phosphates * | . . containing Al | . . containing Ti | . . containing rare-earth elements | . Borates * | . . containing Li | . . containing alkaline-earth elements | . Sulfates * | . Carbonates * | ||||
| BD11 | BD12 | BD13 | BD14 | BD15 | BD16 | BD17 | BD20 | |||||
| . Silicates * | . . containing Bi | . . . containing Ge | . . containing alkaline-earth elements | . . containing rare earth elements | . . containing Al | . . . containing Be e.g. beryl emerald | . Others | |||||
| BE | BE00 MATERIALS 5, E.G. -COMPOUNDS |
BE01 | BE02 | BE03 | BE04 | BE05 | BE06 | BE07 | BE08 | BE09 | ||
| . Halides * | . . F * | . . Cl * | . . I * | . Silicide * | . Borides * | . Carbides * | . . SiC | . . TiC | ||||
| BE11 | BE12 | BE13 | BE14 | BE15 | BE16 | BE18 | BE19 | |||||
| . Nitrides * | . . BN | . . AlN | . . Si3N4 | . . GaN | . . Li3N | . Carbon nitrides * | . Oxynitrides or oxycarbon nitrides * | |||||
| BE21 | BE22 | BE23 | BE25 | BE26 | BE28 | BE29 | BE30 | |||||
| . S Se Te compounds (BE28 and BE31 take precedence) * | . . Sulfides | . . . CuS | . . Selenides * | . . Tellurides * | . 4-6 Compounds or group 4 elements being Pb or Sn * | . . PbTe | . . Compounds of three or more elements * | |||||
| BE31 | BE32 | BE33 | BE34 | BE35 | BE36 | BE37 | ||||||
| . 2-6 Compounds (BE21 takes precedence) * | . . Sulfides * | . . . CdS | . . Selenides * | . . Tellurides | . . containing two or more of group 2 elements or Zn Cd and Hg * | . . containing two or more of group 6 elements or S Se and Te * | ||||||
| BE41 | BE42 | BE43 | BE44 | BE45 | BE46 | BE47 | BE48 | BE50 | ||||
| . 3-5 Compounds or group 5 elements being P As and Sb * | . . Phosphides * | . . . GaP | . . . InP | . . Arsenides * | . . . GaAs | . . containing two or more of group 3 elements or Al Ga and In * | . . containing two or more of group 5 elements or P As and Sb * | . Others | ||||
| BF | BF00 MATERIALS 6, E.G. ORGANIC SUBSTANCES |
BF01 | BF02 | BF03 | BF04 | BF05 | BF10 | |||||
| . Aniline or derivatives thereof | . Organic acids or derivatives thereof | . . Tartaric acid or derivatives thereof | . Macromolecular compounds | . . Biological macromolecules e.g. proteins | . Others | |||||||
| CA | CA00 SOLID PHASE GROWTH |
CA01 | CA02 | CA03 | CA04 | CA05 | CA06 | CA07 | CA08 | CA09 | CA10 | |
| . accompanying reactions | . Growth conditions or control thereof | . . by thermal treatments | . . . characterised by heating conditions e.g. multistage heating | . . . under temperature gradient | . . . Zone heating | . . characterised by ambient atmosphere or pressure | . . . Selection of ambient gas or control of ambient gas pressure | . growing crystals by joining with seed crystals or seed substrates | . Others | |||
| CB | CB00 LIQUID PHASE GROWTH 1, E.G. USE OF LIQUID SOLVENTS AT NORMAL TEMPERATURE |
CB01 | CB02 | CB03 | CB04 | CB05 | CB06 | CB08 | CB10 | |||
| . using non-aqueous solvents | . using aqueous solvents | . . under high temperature high pressure e.g. hydrothermal process | . . . characterised by solvent compositions | . . using electrolysis | . Growth by evaporation of solvents | . providing solutions or emulsions on substrates e.g. by coating | . Others | |||||
| CC | CC00 LIQUID PHASE GROWTH 2, E.G. USE OF MOLTEN SOLVENTS (CG TAKES PRECEDENCE) |
CC01 | CC02 | CC03 | CC04 | CC05 | CC06 | CC10 | ||||
| . Selection of solvents | . . Halide solvents | . . Oxide solvents | . . Metal solvents | . Growth by solvent evaporation | . by VLS methods | . Others | ||||||
| CD | CD00 LIQUID PHASE GROWTH 3, E.G. BY SOLIDIFICATION OF MELTS |
CD01 | CD02 | CD04 | CD05 | CD07 | CD08 | CD10 | ||||
| . Bridgman methods | . . Longitudinal type | . by gradient freezing method | . Synthesis solute diffusion method or SSD method | . Verneuil method | . Solidification in casting moulds | . Others | ||||||
| CE | CE00 LIQUID PHASE GROWTH 4, E.G. ZONE-MELTING |
CE01 | CE02 | CE03 | CE04 | CE05 | CE06 | CE10 | ||||
| . using solvents | . Growth in crucibles or vessels | . by floating zone method | . characterised by heating methods of molten zones | . . Heating with light e.g. concentrated heating with infrared rays | . providing zone melting to a film on substrates | . Others | ||||||
| CF | CF00 LIQUID PHASE GROWTH 5, E.G. PULLING FROM MELTS |
CF01 | CF02 | CF03 | CF04 | CF05 | CF06 | CF07 | CF08 | CF09 | CF10 | |
| . characterised by pulling direction | . characterised by the shape of pulling crystal excluding columnar shape | . . Ribbon-shaped | . . Linear | . characterised by feeding charging methods of raw materials into crucible | . . characterised by raw material feeding means during growth | . . . Feeding of powdered raw materials | . . . by bar-shaped raw materials | . . . Feeding of liquid raw materials | . Others | |||
| CG | CG00 LIQUID PHASE GROWTH 6, E.G. LIQUID PHASE EPITAXY |
CG01 | CG02 | CG03 | CG05 | CG06 | CG07 | CG10 | ||||
| . Kinds of growth methods (unspecified kinds.) | . . Dipping method | . . Inclination method | . using solvents | . . characterised by compositions or materials of solvents | . . . Solvent being one crystal component | . Others | ||||||
| DA | DA00 GAS PHASE GROWTH 1, E.G. DEPOSITION, SUBLIMATION |
DA01 | DA02 | DA03 | DA04 | DA05 | DA06 | DA07 | DA08 | DA09 | ||
| . Vapour deposition onto substrates (additional classification of the use of sealed tubes in DA19) | . . Evaporating evaporation sources by heating (DA05 takes precedence) | . . . by laser beams | . . . by electron beams | . . Growth by molecular beam irradiation | . . . Features of beam source parts | . . . . Shapes structures or arrangements of molecular beam cells | . . . . Shapes operations of shutters | . . . . using gas flows as beam sources | ||||
| DA11 | DA12 | DA13 | DA14 | DA15 | DA16 | DA17 | DA18 | DA19 | DA20 | |||
| . . by sputtering | . . . by electric discharge or plasma | . . . Irradiating target with ion beams | . . . Selection or preparation of target materials | . . ionising evaporated vapour | . . feeding each component vapour alternately to substrates | . Growth of non-film crystals e.g. granular crystals | . . Growth of bulky crystals (additional classification of growth by the use of sealed tube in DA19) | . using sealed tubes | . Others | |||
| DB | DB00 GAS PHASE GROWTH 2, E.G. CVD |
DB01 | DB02 | DB03 | DB04 | DB05 | DB06 | DB07 | DB08 | DB09 | ||
| . Gas phase growth on substrates | . . Selection of raw materials for reactions | . . . Carbon monoxide carbon dioxide | . . . Hydrides (DB05 takes precedence for compounds containing halogens) | . . . Halides | . . . Organic compounds | . . . . Hydrocarbons | . . . . Organometallic compounds e.g. MOCVD | . . . . Organic silicon compounds | ||||
| DB11 | DB12 | DB13 | DB15 | DB16 | DB17 | DB18 | DB19 | DB20 | ||||
| . Feeding outletting or treating of raw material gas | . . Varying feeding quantity or composition ratios of gases during growth | . . . Alternate feeding of each component gas | . Means of heating thermal decomposition activation of reactive gases | . . by plasmas | . . . DC discharge plasmas | . . . High frequency plasmas | . . . Microwave plasmas | . . . Cyclotron resonance plasmas | ||||
| DB21 | DB22 | DB23 | DB24 | DB25 | DB26 | DB28 | DB29 | DB30 | ||||
| . . by heating bodies e.g. heating filaments | . . . By electric field accelerated thermal electron irradiation (DB24 takes precedence) | . . by combustion flames | . . by energy beam irradiation (22 takes precedence) | . . . Light irradiation | . . . by ion beam irradiation | . Growth not on substrates | . using sealed tubes | . Others | ||||
| EA | EA00 CRYSTAL GROWTH IN COMMON 1, E.G. CONTROL OF GROWTH CONDITIONS, EXCLUDING SOLID PHASE GROWTH |
EA01 | EA02 | EA03 | EA04 | EA05 | EA06 | EA07 | EA08 | EA10 | ||
| . of temperature conditions e.g. melt temperature | . . of substrates reaction zones | . of pressure conditions | . . Ambient gas pressure control thereof (EA08 takes precedence) | . . . Reduced pressure ambient atmosphere | . Selection or control of ambient gases or carrier gases | . . Oxygen gas serving as ambient gas | . . Vapour feed or vapour pressure control of volatile components | . Others | ||||
| EB | EB00 CRYSTAL GROWTH IN COMMON 2, E.G. IMPURITY DOPING |
EB01 | EB02 | EB03 | EB04 | EB05 | EB06 | EB10 | ||||
| . Selection or specification of impurities (marked with double circle) | . Doping by irradiating with impurity particle beams | . adding impurities during growth excluding gas phase growth | . . Use of gaseous dopants excluding gas phase growth | . dispersing impurities in raw materials | . Control of inevitable impurities | . Others | ||||||
| EC | EC00 CRYSTAL GROWTH IN COMMON 3, E.G. PREPARATION OR COMPOSITION OF RAW MATERIALS |
EC01 | EC02 | EC03 | EC04 | EC05 | EC07 | EC08 | EC09 | EC10 | ||
| . Preparation of raw materials | . . Preparation or synthesis of raw material powders or raw material masses | . . . Synthesis by gas phase reactions | . . . Synthesis by liquid phase reactions | . . Preparation of shaped bodies of raw materials e.g. sintering of raw material bars | . Preparation of raw material compositions | . . of melt composition | . . of compositions of raw material gas feeding gas e.g. mixing ratios | . . Specification preparation of impurity concentrations in raw materials or raw material compositions | ||||
| ED | ED00 CRYSTAL GROWTH IN COMMON 4, E.G. SEED CRYSTALS OR SUBSTRATES |
ED01 | ED02 | ED04 | ED05 | ED06 | ||||||
| . characterised by seed crystals | . . Specification of crystallographic orientations of seed crystals | . characterised by substrates e.g. shapes structures,, | . . Specification of crystallographic orientations of substrate crystals | . . Selection of substrate materials (marked with circle) | ||||||||
| EE | EE00 CRYSTAL GROWTH IN COMMON 5, E.G. TREATMENTS OR PROTECTIONS OF SUBSTRATES BEFORE GROWTH |
EE01 | EE02 | EE03 | EE04 | EE05 | EE06 | EE07 | EE08 | EE09 | EE10 | |
| . Surface treatment of substrates (EF02 takes precedence) | . . Cleaning or etching | . . . by gas | . . . by liquids | . . formation of crystal nuclei | . . coating formation e.g. protective films. (EF02 takes precedence) | . . . Masking | . . Doping into substrates | . Operations for protecting substrates (EE01 takes precedence) | . Others | |||
| EF | EF00 CRYSTAL GROWTH IN COMMON 6, E.G. MULTILAYER GROWTH ONTO SUBSTRATES |
EF01 | EF02 | EF03 | EF04 | EF05 | ||||||
| . formation of films in multilayer on substrates | . . formation of buffer layer for lattice matching (marked with black dot) | . . . Buffer layer containing component elements of growth crystal (marked with black dot) | . . Alternate multilayer lamination of two or more films | . . . Superlattices | ||||||||
| EG | EG00 CRYSTAL GROWTH IN COMMON 7, E.G. APPARATUS OR TOOLS |
EG01 | EG02 | EG03 | EG04 | EG05 | EG06 | EG07 | EG08 | EG09 | EG10 | |
| . Melt support or housing means e.g. crucibles (EG05 takes precedence) | . . Characteristics of materials or multilayered or coated structures | . Substrate support means. EG05 takes precedence | . . Characteristics of materials or multilayered or coated structures | . Melts or substrate support bodies for liquid phase epitaxy | . . for multilayer growth | . . Feeding or outletting of melts onto substrate surfaces | . . . Structures for removing residual solutions | . . . Circulating melts between reservoir and substrate | . . . Structures for sliding substrates or melt reservoirs | |||
| EG11 | EG12 | EG13 | EG14 | EG15 | EG16 | EG17 | EG18 | EG19 | EG20 | |||
| . Holding or fixing means for seed crystals | . Means for pulling up or down or rotating seed crystal | . Structures for transferring carrying in or out substrates or support bodies | . Movements e.g. rotations or vibrations of substrates or support bodies during growth | . Heating cooling or insulating apparatus | . . for substrates or substrate support bodies | . . . for cooling substrates | . . for vessels crucibles or boats | . . for heat retention e.g. insulating plates heat reflecting or radiating plates | . . for growth crystals | |||
| EG21 | EG22 | EG23 | EG24 | EG25 | EG26 | EG27 | EG28 | EG29 | EG30 | |||
| . Structures of devices for feeding outletting or treating gases | . . for gas feeding | . . . Nozzles | . . . for controlling gas flows e.g. baffle plates | . Shapes structures or materials of members constituting growth chambers or furnaces | . Structures of chambers attached to growth chambers e.g. substrate pretreatment chambers | . Devices for handling furnaces growth chambers or growth crystals | . . Maintenance inspection e.g. cleaning or disassembling | . Structures of devices for continuous growth or manufacture | . Others | |||
| EH | EH00 CRYSTAL GROWTH IN COMMON 8, E.G. DETECTION OR CONTROL |
EH01 | EH02 | EH03 | EH04 | EH05 | EH06 | EH07 | EH08 | EH09 | EH10 | |
| . Detection or control of thickness of growth films | . Detection or control of evaporation quantity molecular beam quantity from evaporation sources | . . Use of shutters or masks | . Detection or control of crystal diameter | . Detection or control of doping quantity | . Control methods | . . Control of temperature of or temperature distribution of melts | . . Control of number of revolutions of crucibles or seed crystals | . . Control of pulling speed or growth rate | . Others | |||
| EJ | EJ00 CRYSTAL GROWTH IN COMMON 9, E.G. ADDITION OF SPECIFIC GROWTH ENVIRONMENTS |
EJ01 | EJ02 | EJ03 | EJ04 | EJ05 | EJ06 | EJ07 | EJ08 | EJ09 | EJ10 | |
| . Electric fields | . Magnetic fields | . Irradiation with energy beams | . . Light | . adding vibrations | . Floating crystal materials e.g. under zero gravity | . Use of sealants or sealing agents for preventing evaporation or the like | . . Selection of sealants | . Addition of growth reaction accelerators e.g. catalysts | . Others | |||
| FA | FA00 AFTER-TREATMENT 1, E.G. DIFFUSION SOURCES OR ARRANGEMENTS THEREOF |
FA01 | FA02 | FA03 | FA04 | FA05 | FA06 | FA07 | FA08 | FA09 | FA10 | |
| . characterised by compositions shapes of diffusion sources | . . Diffusion sources in liquid suspension form compositions thereof | . . Solid form or compositions thereof | . . . Shaped bodies plate-like bodies sintered bodies or compositions thereof | . . . . by attaching diffusion sources onto substrate | . by making solid diffusion source contact with substrate (FB01 takes precedence) | . . by embedding substrate in powder of solid diffusion source | . by making liquid diffusion source contact with substrate | . by arranging plate-like solid diffusion source and substrate in parallel | . Others | |||
| FB | FB00 AFTER-TREATMENT 2, E.G. A PRETREATMENT OF SUBSTRATE SURFACES FOR AFTER-TREATMENTS |
FB01 | FB02 | FB03 | FB04 | FB05 | FB06 | FB07 | FB10 | |||
| . Formation of diffusion material layer on substrate surfaces (FC04 takes precedence) | . . coating with liquids or suspension solutions | . . by forming impurity doped layer | . . by locally forming a layer of diffusion materials | . cleaning etching or polishing (see also FG) | . formation of film on substrate surfaces (FC04 takes precedence) | . . Mask formation for local doping | . Others | |||||
| FC | FC00 AFTER-TREATMENT 3, E.G. DOPING FROM VAPOUR PHASE |
FC01 | FC03 | FC04 | FC05 | FC06 | FC07 | FC10 | ||||
| . Doping in sealed tubes | . without using sealed tubes | . . including depositing process of diffusion source onto substrate surfaces | . . Adjustment or control of ambient atmosphere or gas flow | . . . Feeding outletting or treatments of doping gas | . . . Detection or control of concentration or doping amount of doping gas | . Others | ||||||
| FD | FD00 AFTER-TREATMENT 4, E.G. DOPING BY IRRADIATION OF ELECTROMAGNETIC WAVES, OR PARTICLE BEAMS |
FD01 | FD02 | FD03 | FD04 | FD05 | FD06 | FD10 | ||||
| . by neutron irradiation | . by ion implantation | . . Ion implantation methods ion generating or accelerating devices | . . . by local implantation | . . . Detection or control of implantation amount | . . . Selection or control of implanting angle | . Others | ||||||
| FE | FE00 AFTER-TREATMENT 5, E.G. HEATING OR COOLING TREATMENTS |
FE01 | FE02 | FE03 | FE04 | FE05 | FE06 | FE07 | FE08 | FE09 | FE10 | |
| . in sealed tubes | . characterised by ambience e.g. pressure ambient gas | . . containing oxygen | . . . forming oxide film on substrate surfaces | . . reducing atmosphere | . . containing vapour of components constituting crystal | . Heat treatment by coating substrate with another material | . . by embedding in powder | . by immersing substrate in liquids e.g. in gallium melt | . during application of pressure or stress e.g. hot pressing | |||
| FE11 | FE12 | FE13 | FE14 | FE15 | FE16 | FE17 | FE18 | FE19 | FE20 | |||
| . Heating or cooling conditions | . . Multistage heating | . . Cooling rate or cooling duration | . characterised by heating means | . . by energy beam irradiation | . . . Light irradiation | . Heating or cooling treatments of crystals in ingot form | . . performing in situ following crystal growth | . for crystallisation single-crystallisation of film on substrates | . Others | |||
| FF | FF00 AFTER-TREATMENT 6, E.G. JOINING OF CRYSTALS |
FF01 | FF02 | FF03 | FF06 | FF07 | FF10 | |||||
| . using binding agents | . . using metals or alloys as binding agents | . . using glass as binding agent | . without binding agent | . . by using only heating and/or pressing | . Others | |||||||
| FG | FG00 AFTER-TREATMENT 7, E.G. ETCHING OR MACHINING |
FG01 | FG02 | FG03 | FG04 | FG05 | FG06 | FG07 | FG08 | FG09 | ||
| . Etching in gas phase | . . by ion irradiation plasma electric discharge or sputtering | . . by chemical etching (additional classification in FH for light irradiation) | . . Feeding or outletting to/from substrate surfaces of or the treatments of etching gas | . Etching in liquid phase | . . Composition of etching solution | . . . containing abrasive particles | . . applying electric field e.g. electrolytic etching | . . Feeding or outletting of etching solution to/from substrate surface and treatments of etching solution | ||||
| FG11 | FG12 | FG13 | FG14 | FG16 | FG17 | FG18 | FG20 | |||||
| . Mechanical surface roughening grinding polishing or cutting | . . Grinding materials polishing agents or cutting materials | . . Disconnecting methods or segmenting methods | . . . by cleavage | . Setting or control of orientation or angle of crystal plane at processing | . Control of etching amount or working amount | . Local etching grinding or polishing | . Others | |||||
| FH | FH00 AFTER-TREATMENT 8, E.G. USE OF ELECTRIC FIELDS, MAGNETIC FIELDS, OR ENERGY BEAMS |
FH01 | FH02 | FH03 | FH04 | FH05 | FH06 | FH07 | FH08 | FH09 | FH10 | |
| . under voltage application in electric field (FH 09 takes precedence) | . . for single domaining of dielectric materials | . . . characterised by filler between electrodes and crystal | . in magnetic field under application of magnetic field | . Irradiation of energy beams | . . Neutron beams | . . Electron beams | . . Light | . by electric discharge plasma | . Others | |||
| FJ | FJ00 AFTER-TREATMENT 9 FOR OTHERS |
FJ01 | FJ02 | FJ03 | FJ04 | FJ05 | FJ06 | FJ07 | FJ08 | FJ10 | ||
| . Cleaning of crystal surface or refining of crystals | . Applying mechanical stress (see FE10 for hot processes) | . Separation of growth substrate and growth crystal film e.g. removal by dissolving | . Separation of growth fibres whiskers from growth substrate or base material | . Crushing or sorting of aggregates of whiskers or fibres | . Film formation on growth crystal surface | . . Metal films | . Handling of crystals after growth e.g. transfer | . Others | ||||
| FK | FK00 AFTER-TREATMENT 10, E.G. FEATURES OF APPARATUS OR TOOLS |
FK01 | FK02 | FK03 | FK04 | FK05 | FK06 | FK07 | FK08 | |||
| . Shapes or structures of reaction tubes soaking tubes or sealed tubes | . Shapes or structures of substrate support bodies | . . setting substrate surface parallel to gas flow direction | . . making substrate surface perpendicular to gas flow | . Tools for adjusting ambient atmosphere or gas flow | . . Use of pseudowafers or dummy substrates | . Devices or tools for heating or cooling | . . Heating or cooling of substrates | |||||
| FK11 | FK12 | FK13 | FK14 | FK15 | FK16 | FK18 | FK20 | |||||
| . Structures of devices or tools for carrying in or out substrates | . Structures of devices for continuous treatments of substrate | . Structures of apparatus for feeding outletting of gas flow | . . Feeding or outletting nozzles | . . Vaporisers | . Structures for moving substrates during treatments e.g. rotating | . characterised by materials of devices or tools | . Others | |||||
| GA | GA00 EVALUATION OR DETERMINATION OF PHYSICAL OR CHEMICAL PROPERTIES OF CRYSTALS |
GA01 | GA02 | GA03 | GA05 | GA06 | GA07 | GA08 | GA10 | |||
| . of concentration or concentration distribution of impurities | . of dislocation density | . of crystallographic orientation | . Techniques of evaluation or determination | . . optical | . . electrical | . . magnetic | . Others | |||||
| HA | HA00 USES |
HA01 | HA02 | HA03 | HA04 | HA05 | HA06 | HA07 | HA08 | HA09 | HA10 | |
| . Optical materials | . . Light emitting materials e.g. laser elements | . Magnetic materials | . Acoustic materials e.g. microwave elements diaphragms | . Electrical materials | . . Semiconductor elements | . . Ion conducting materials | . . Superconducting materials | . . . Wires or coil materials | . . . Josephson elements | |||
| HA11 | HA12 | HA13 | HA14 | HA15 | HA20 | |||||||
| . Piezoelectric materials or dielectric materials | . Substrate materials e.g. for semiconductors magnetic materials or superconductors | . Tool materials wear resistant or polishing materials | . Heat radiating materials or heat sinks | . Electron emitting materials | . Others | |||||||
| C30B1/00-1/12 | JA | JA00 SINGLE CRYSTAL GROWTH DIRECTLY FROM THE SOLID PHASE |
JA01 | JA02 | JA03 | JA05 | JA06 | JA08 | ||||
| . Qualities or shapes of materials prior to growth | . . Single crystals prior to growth e.g. using seeds * | . . . using substrates * | . . Polycrystals prior to growth * | . . . formation of polycrystalline bodies | . . Joining of single crystals and polycrystals prior to growth | |||||||
| JB | JB00 SINGLE CRYSTAL GROWTH PROCESSES OR APPARATUS |
JB01 | JB02 | JB04 | JB06 | JB07 | JB08 | JB09 | ||||
| . Growth processes or apparatus | . . Ambient gases * | . . Pressure treatments (C30B1/12) | . . Heating conditions at recrystallisation e.g. multistage heating | . . . under isothermal conditions (C30B1/04) | . . . under temperature gradient (C30B1/06) | . . . under zone heating (C30B1/08) | ||||||
| JB12 | ||||||||||||
| . . Solid phase reactions or multi-phase diffusion (C30B1/10) | ||||||||||||
| C30B7/10 | KA | KA00 APPLICATION OF PRESSURE, E.G. HYDROTHERMAL PROCESS |
KA01 | KA03 | KA05 | KA06 | KA07 | KA09 | ||||
| . Raw materials * | . Solvents * | . Seed crystals * | . . Preliminary treatments * | . . Crystallographic orientations | . Growth conditions e.g. temperatures pressures | |||||||
| KA11 | KA12 | KA13 | KA15 | |||||||||
| . Apparatus e.g. shapes or structures thereof | . . Materials quality * | . . Holder of seed crystals | . Others | |||||||||
| C30B9/12 | LA | LA00 USING SALT SOLVENTS, E.G. FLUX GROWTH |
LA01 | LA03 | LA05 | |||||||
| . Flux * | . Apparatus or structures shapes or materials thereof | . Growth conditions | ||||||||||
| C30B11/00@C | MA | MA00 CRUCIBLES OR VESSELS OR SUPPORT BODIES THEREOF |
MA01 | MA02 | MA04 | MA05 | ||||||
| . Crucibles or vessels e.g. shapes or structures thereof | . . Materials * | . Support bodies of crucibles or vessels e.g. shapes or structures thereof | . . Materials * | |||||||||
| C30B11/00;11/00@Z;11/04;11/06 | MB | MB00 NORMAL FREEZING OR GRADIENT FREEZING |
MB01 | MB02 | MB03 | MB04 | MB06 | MB07 | MB08 | |||
| . Growth methods | . . Bridgman method | . . . Lateral type | . . . Longitudinal type | . . Gradient freezing method | . . . Lateral type | . . . Longitudinal type | ||||||
| MB12 | MB14 | |||||||||||
| . . Solute synthesis diffusion method or SSD method | . . Others or normal freezing | |||||||||||
| MB21 | MB22 | MB23 | MB24 | MB26 | ||||||||
| . Growth apparatus | . . Heating means e.g. furnace structures or the like | . . . Multiple heating means e.g. auxiliary heating | . . . Heat retaining materials | . . Cooling means or cooling members | ||||||||
| MB31 | MB32 | MB33 | MB35 | MB36 | ||||||||
| . Growth conditions | . . Controlling or adjusting | . . . Control of temperature | . . . Ambient atmosphere * | . . . Vapour pressure of volatile components | ||||||||
| C30B13/00 | NA | NA00 SINGLE-CRYSTAL GROWTH OR REFINING BY ZONE-MELTING |
NA01 | NA03 | NA05 | |||||||
| . Ambient atmospheres * | . After heater | . Others | ||||||||||
| C30B13/02 | NB | NB00 USING SOLVENTS |
NB01 | NB03 | ||||||||
| . Solvents * | . Others e.g. processes or apparatus | |||||||||||
| C30B13/14 | NC | NC00 CRUCIBLES OR VESSELS OR SUPPORT BODIES THEREOF |
NC01 | NC02 | NC03 | NC05 | ||||||
| . Crucibles or vessels e.g. shapes | . . Multilayer structures or coatings | . . Materials * | . Support bodies for crucibles or vessels * | |||||||||
| C30B13/20 | ND | ND00 HEATING OF MOLTEN ZONES BY INDUCTION |
ND01 | ND02 | ND03 | ND05 | ND07 | |||||
| . Single induction coil e.g. shapes thereof | . . Arrangements | . . Structures | . This place covers the subject matter for using plural induction coils. | . Electric power feeding | ||||||||
| C30B13/24 | NE | NE00 HEATING BY ELECTROMAGNETIC WAVES, E.G. HEATING BY CONDENSED LIGHT |
NE01 | NE03 | NE04 | NE05 | NE06 | NE07 | NE09 | |||
| . Electromagnetic wave sources | . using ellipsoid of revolution mirrors | . . Shapes or structures | . . Plural ellipsoid of revolution mirrors | . . Connection of ellipsoid of revolution mirror and other parts | . . Attached equipment | . Others | ||||||
| C30B13/28 | NF | NF00 CONTROLLING OR ADJUSTING |
NF01 | NF02 | NF03 | NF05 | NF07 | NF08 | NF09 | |||
| . Diameter control | . . Detection methods | . . . Optical detection | . . Control operations | . . Controlled variables or output signals | . . . Heating amount | . . . Moving speed | ||||||
| NF11 | ||||||||||||
| . Others | ||||||||||||
| C30B13/32 | NG | NG00 MOVING MECHANISMS OR HOLDERS OF MATERIALS OR HEATERS |
NG01 | NG03 | NG05 | |||||||
| . Moving or rotating mechanisms of materials or heaters | . Holders or holding mechanisms of materials or crystals | . Others | ||||||||||
| C30B15/00;15/00@Z;27/02 | PA | PA00 PULLING FROM MELTS, INCLUDING UNDER PROTECTIVE FLUIDS |
PA01 | PA03 | PA04 | PA06 | PA08 | PA10 | ||||
| . Necking | . Ambient gases e.g. types thereof * | . . Adjustment of gas flows | . Control of oxygen concentration in melts or crystals | . Means for stirring or causing forced convection in melts | . Cooling of pulled crystals | |||||||
| PA11 | PA13 | PA14 | PA16 | |||||||||
| . Removing of residuals | . Sealing agents or encapsulating agents | . . having B2O3 as main component | . Others | |||||||||
| C30B15/02;15/04;27/02 | PB | PB00 FILLING OR ADDING OF CRYSTALLISING MATERIALS, RAW MATERIALS, OR REACTION AGENTS |
PB01 | PB02 | PB04 | PB05 | PB07 | PB08 | PB09 | PB10 | ||
| . Timing for filling or addition e.g. before crystal growth | . . during crystal growth | . Materials of fillings or additives e.g. excluding impurities * | . . containing impurities * | . State of fillings or additives e.g. gaseous | . . Liquids | . . Solids | . . . Coating bodies | |||||
| PB11 | PB13 | PB14 | PB16 | |||||||||
| . Devices | . Process of filling or adding | . . Adjustment or control of adding amounts | . Others | |||||||||
| C30B15/06;15/08;27/02 | PC | PC00 CHARACTERISED BY PULLING DIRECTIONS |
PC01 | PC02 | ||||||||
| . nonvertical pulling | . downward pulling | |||||||||||
| C30B15/10;15/12;27/02 | PD | PD00 CRUCIBLES OR VESSELS FOR HOUSING MELTS OR SUPPORTING BODIES THEREOF |
PD01 | PD02 | PD03 | PD05 | PD06 | PD08 | ||||
| . Crucibles or vessels e.g. materials thereof * | . . Shapes or structures | . . . Sub crucibles for adding raw materials or having partitions | . . . Multilayered structures or coatings | . . . . Sealing agents for forming part of vessels | . . . Duplex crucibles | |||||||
| PD11 | PD12 | PD15 | PD16 | |||||||||
| . Members for supporting crucibles or vessels e.g. materials * | . . Shapes or structures | . . . Multilayered structures or coatings | . . . Combination of multiple members | |||||||||
| C30B15/14-15/18;27/02 | PE | PE00 HEATING OF MELTS, SEALING AGENTS, OR CRYSTALLISED MATERIALS |
PE01 | PE02 | PE03 | PE04 | PE05 | PE07 | PE08 | |||
| . Heating of melts or sealing agents | . . Kinds of heating bodies | . . . Resistive heating | . . . High frequency heating | . . . Irradiation or electric discharge (C30B15/16) | . . comprising multiple heating means or members | . . . Other heating method in addition to direct resistive heating | ||||||
| PE12 | PE14 | PE16 | ||||||||||
| . . Shapes structures or arrangements of heating bodies | . . Materials of heating bodies * | . . Adjustment of heat conduction between heating bodies and melts | ||||||||||
| PE21 | PE22 | PE24 | PE27 | |||||||||
| . Heating of crystallised materials e.g. after heater | . . Shapes structures or arrangements of heating bodies or insulating bodies | . . Materials of heating bodies or insulating bodies * | . Others or mechanisms attendant on heating | |||||||||
| C30B15/20-15/28;27/02 | PF | PF00 CONTROLLING OR ADJUSTING |
PF01 | PF02 | PF03 | PF04 | PF05 | PF07 | PF08 | PF09 | ||
| . Stabilisation of molten zones control of crystal cross-sections | . . using televisions lights or X rays e.g. windows | . . . Detection methods or means | . . . . detecting light | . . . . detecting X rays | . . . Detected objects | . . . . Crystals | . . . . Melt surface | |||||
| PF13 | PF15 | PF16 | PF17 | |||||||||
| . . . Control operations | . . . Controlled variables or output signals | . . . . Melt temperatures or sealing agent temperatures | . . . . Pulling speed including movement of crucibles | |||||||||
| PF22 | PF23 | PF24 | PF25 | PF27 | PF28 | PF29 | ||||||
| . . using weight changes in crystals or melts | . . . Detection methods e.g. weight measurement | . . . . Pulling crystals | . . . . Melts in crucibles including sealing agents | . . . Control operations | . . . . comparing weight as is with set value | . . . . comparing weight with set value after conversion to diameter | ||||||
| PF33 | PF34 | PF35 | PF37 | |||||||||
| . . . Controlled variables or output signals | . . . . Melt temperatures sealant temperatures | . . . . Pulling speeds including movement of crucibles | . . . using floats | |||||||||
| PF42 | PF43 | PF45 | PF47 | |||||||||
| . . Suppression of convection in melts or sealing agents | . . . Use of baffle plates | . . Cooling of melts sealing agents or surface thereof | . . Shaping guides (C30B15/24) | |||||||||
| PF51 | PF52 | PF53 | PF55 | |||||||||
| . Others | . . Detection methods | . . . Temperature measuring | . . Control operations | |||||||||
| C30B15/30;27/02 | PG | PG00 ROTATION OR MOVEMENT MECHANISMS OF MELTS, SEALING AGENTS, OR CRYSTALS |
PG01 | PG03 | ||||||||
| . Rotation or movement of crystals | . Rotation or movement of melts or sealing agents | |||||||||||
| C30B15/32;27/02 | PH | PH00 SEED CRYSTAL HOLDERS |
PH01 | PH03 | ||||||||
| . Structures of seed crystal holding parts | . Others | |||||||||||
| C30B15/36;27/02 | PJ | PJ00 SEED CRYSTALS |
PJ01 | PJ02 | PJ04 | |||||||
| . Seed crystals e.g. materials thereof * | . . Crystallographic orientations | . . Shapes of crystals | ||||||||||
| C30B15/34;27/02 | PK | PK00 EDGE-DEFINED FILM CRYSTAL GROWTH |
PK01 | PK03 | PK04 | PK05 | PK06 | PK07 | PK08 | |||
| . Pulling mechanisms others | . Edge defining mechanisms e.g. defining width direction | . . Use of dies e.g. heating of dies | . . . Shapes or structures of dies | . . . . Coatings or joining with other articles | . . . Materials * | . . . Support of dies | ||||||
| C30B19/00-19/12 | QA | QA00 LIQUID PHASE EPITAXY |
QA01 | QA02 | QA04 | QA06 | ||||||
| . Kinds of liquid phase epitaxial method | . . Sliding boat method | . . Dipping method | . . Inclination method | |||||||||
| QA11 | QA12 | |||||||||||
| . using solvents (C30B19/02; 19/04) | . . characterised by solvents * | |||||||||||
| QA21 | QA22 | QA23 | QA24 | QA26 | QA27 | QA28 | QA29 | |||||
| . Growth process | . . Handling of substrates before growth | . . . Adjustment of substrate holding ambient atmosphere | . . . Processes for melting back substrates | . . Adjustment of melt composition | . . . adding impurities | . . . removing impurities | . . . Homogenisation of melt concentration e.g. stirring | |||||
| QA32 | QA34 | QA36 | QA38 | |||||||||
| . . using dummy substrates | . . Adjustment of ambient atmosphere during growth | . . varying crystal composition during growth | . . Adjustment or control of temperature conditions e.g. heating or cooling | |||||||||
| QA42 | QA43 | QA45 | ||||||||||
| . . Adjustment or control of film thickness | . . . using masks on substrates | . . washing growth crystal surfaces | ||||||||||
| QA51 | QA52 | QA54 | QA56 | QA58 | ||||||||
| . Apparatuses | . . Materials of reaction chambers melt support fixtures or substrate support bodies * | . . Holding means of substrates including rotating or moving | . . Heating means of reaction chambers or substrates | . . Means for feeding melts to or outletting melts from a reaction chamber | ||||||||
| QA62 | QA64 | QA66 | QA68 | QA70 | ||||||||
| . . Structures of melt supporting means e.g. boat | . . Cleaning means of melt surfaces making contact with substrates | . . Sliding or moving means of substrates or melts | . . Holding substrates and melts in multistage in the vertical direction | . . Removing means of residual melts | ||||||||
| QA71 | QA72 | QA73 | QA74 | QA75 | QA77 | QA79 | ||||||
| . Substrates e.g. material (C30B19/12) * | . . Pretreated substrates | . . . Chemical treatments e.g. etching | . . . . Coating | . . . . Doping | . . . Mechanical treatments e.g. shapes of substrate | . . Substrate crystal orientation | ||||||
| QA81 | ||||||||||||
| . Others | ||||||||||||
| C30B1/00-27/02 | RA | RA00 SINGLE CRYSTAL GROWTH UNDER SPECIAL PHYSICAL CONDITIONS |
RA01 | RA03 | RA05 | RA07 | RA09 | |||||
| . Electric field e.g. electrolysis or the like | . Magnetic field | . Mechanical vibrations | . under conditions of zero gravity or low gravity | . Others | ||||||||
| C30B23/00;23/02 | SA | SA00 PVD |
SA01 | SA02 | SA03 | SA04 | SA06 | SA07 | SA08 | |||
| . Shapes of growth crystal e.g. lump-shaped | . . Powders particles or whiskers | . . Growth on bars e.g. bar-shaped or film-shaped | . . Growth on substrates | . Growth processes | . . Specification of growth conditions e.g. temperature or pressure | . . Control | ||||||
| SA11 | SA12 | |||||||||||
| . Growth apparatus | . . Base body holders or susceptors | |||||||||||
| C30B23/08;23/08@Z | SB | SB00 CONDENSATION OF IONISED VAPOURS |
SB01 | SB02 | SB03 | SB05 | SB06 | SB07 | SB09 | SB10 | ||
| . Sputtering | . . Ion beam sputtering | . . specifying the target | . Ion plating | . . Ion beam vapour deposition | . . Cluster ion beam vapour deposition | . Particle beam epitaxial growth method | . Others | |||||
| C30B23/08@M | SC | SC00 MOLECULAR BEAM EPITAXY |
SC01 | SC02 | SC03 | SC05 | SC06 | SC08 | SC10 | |||
| . Growth processes | . . Growth conditions e.g. under specific growth conditions | . . . varying growth conditions | . . Controls | . . . Controls on molecular beam quantity | . . Cleaning of substrate surface e.g. etching | . . using masks | ||||||
| SC11 | SC12 | SC13 | SC14 | |||||||||
| . Growth apparatus | . . Molecular beam sources | . . using shutters | . . Heating mechanisms of substrates | |||||||||
| C30B25/00 | TA | TA00 CVD |
TA01 | TA02 | TA03 | TA04 | TA06 | TA07 | TA08 | |||
| . Shapes of grown crystals e.g. lump-shaped | . . Powders particles or whiskers | . . Growth on bars e.g. bar-like or film-like | . . Growth on substrates | . Growth processes | . . Specification of growth conditions e.g. temperature or pressure | . . Controls | ||||||
| TA11 | TA12 | |||||||||||
| . Growth apparatus | . . Base body holders or susceptors | |||||||||||
| C30B25/02;25/02@Z | TB | TB00 EPITAXIAL GROWTH METHOD, APPARATUS |
TB01 | TB02 | TB03 | TB04 | TB05 | TB07 | TB08 | |||
| . Growth method or apparatus | . . Hydride method | . . Halide method | . . . Chloride method | . . Metal organic vapour phase epitaxy | . . using energy source other than heat | . . . using light energy | ||||||
| TB12 | TB13 | |||||||||||
| . . Method for closed tube or sealed tube | . . Method for opened tube | |||||||||||
| TC | TC00 MANUFACTURING PROCESSES |
TC01 | TC02 | TC03 | TC04 | TC05 | TC06 | TC07 | TC08 | TC09 | TC10 | |
| . Raw material gas medium or ambient atmosphere | . . Raw material gas containing impurities | . . Ambient atmospheres | . . Media | . Specification of growth or the reaction conditions | . . Substrate temperatures | . . Temperatures of raw material gas generating units | . . Pressures | . . Gas flow speeds | . . Growth rates | |||
| TC11 | TC12 | TC13 | TC14 | TC15 | TC16 | TC17 | TC19 | |||||
| . comprising plural processes | . . Multiple growth processes | . . . Two layers | . . . Three or more layers | . . . Accompanying movement of substrates | . . including processes other than growth process | . . . including etching process | . related to semiconductor elements e.g. P-N junction | |||||
| C30B25/08 | TD | TD00 REACTION CHAMBERS |
TD01 | TD02 | TD03 | TD04 | TD05 | TD06 | TD07 | TD08 | TD09 | |
| . Materials | . Shapes or outer shapes or structures | . . being coated | . . Multiplex structures e.g. double structure | . . . using protective tubes e.g. liner tubes | . . Shapes of raw material feeding unit | . . comprising plural reaction chambers | . . Details e.g. connection mechanisms | . having spare chambers | ||||
| C30B25/10 | TE | TE00 HEATING OF REACTION CHAMBERS OR SUBSTRATES |
TE01 | TE02 | TE03 | TE05 | TE07 | TE08 | TE10 | |||
| . Heating methods | . . High frequency heating | . . Resistive heating | . Shapes structures or arrangements of heating bodies | . Intermediate heating bodies e.g. materials thereof | . . Shapes structures or arrangements | . forming plural temperature regions in furnace | ||||||
| C30B25/12 | TF | TF00 SUBSTRATE HOLDERS OR SUSCEPTORS |
TF01 | TF02 | TF03 | TF04 | TF05 | TF06 | ||||
| . Materials | . Shapes or structures | . . Coated bodies | . . Substrate holding mechanisms | . Arrangements | . Movement or rotation mechanisms of substrates | |||||||
| C30B25/14 | TG | TG00 RELATIONSHIP BETWEEN SUBSTRATES AND GAS FLOW |
TG01 | TG02 | TG03 | TG04 | TG06 | TG07 | ||||
| . Arrangements of substrate and gas flow directions | . . Lateral type e.g. gas flow perpendicular to substrate | . . . Gas flow parallel to substrate | . . . . Horizontal substrates | . . Longitudinal type e.g. gas flow perpendicular to horizontal substrate | . . . Gas flow parallel to horizontal substrate | |||||||
| TG12 | TG13 | TG14 | TG15 | |||||||||
| . . Cylindrical type e.g. perpendicular to substrate from furnace wall side | . . . Gas flow parallel to substrate on furnace wall side | . . . Gas flow perpendicular to substrate from centre side of furnace | . . . Gas flow parallel to substrate on centre side of furnace | |||||||||
| TH | TH00 FEEDING OR OUTLETTING MEANS OF GAS; ADJUSTMENT OF REACTION GAS FLOW |
TH01 | TH02 | TH03 | TH05 | TH06 | TH07 | TH08 | TH09 | TH10 | ||
| . Raw material gas generating unit | . . Bubblers or vaporisers | . . . Gas generating unit being provided in gas spout | . Method for flowing gas | . . Feeding or outletting devices | . . changing flow direction of raw material gas e.g. reversal of flow direction | . . . Spout being movable | . . Stirring of gas | . . Shapes or structures of reaction chamber for obtaining uniform flow | ||||
| TH11 | TH13 | |||||||||||
| . Gas blowing unit or spout | . Others | |||||||||||
| C30B25/16 | TJ | TJ00 CONTROLLING OR ADJUSTING |
TJ01 | TJ02 | TJ03 | TJ04 | TJ05 | TJ06 | TJ07 | |||
| . Control of growth conditions | . . Control of growth rate or film thickness control | . . Temperature control | . . Pressure control | . . Composition control or controls of raw material evaporation amount | . . . Control of impurity concentrations | . . Control using dummy substrates | ||||||
| TJ11 | TJ12 | TJ13 | TJ14 | TJ15 | TJ16 | TJ18 | ||||||
| . Measuring or observing of growth conditions | . . Film thickness measuring | . . Temperature measuring | . . Pressure measuring | . . Gas composition measuring | . . Observing of crystal during growth | . Others e.g. safety device | ||||||
| C30B25/18-25/22 | TK | TK00 SUBSTRATE |
TK01 | TK02 | TK04 | TK06 | TK08 | TK10 | ||||
| . Materials | . . containing impurities | . Shapes e.g. irregularity chamfering or roughened surface | . Crystallographic orientation | . having surface layer | . Cleaning of substrate surface e.g. etching | |||||||
| TK11 | TK13 | |||||||||||
| . Removable substrate | . Others | |||||||||||
| UA | UA00 SINGLE CRYSTAL GROWTH UNDER SPECIAL PHYSICAL CONDITIONS |
UA01 | UA03 | UA05 | UA07 | UA09 | ||||||
| . Electric field e.g. electrolysis | . Magnetic field | . Mechanical vibrations | . under conditions of zero gravity or low gravity | . Others |