| ReturnTo Theme-Group-Choice | Onelevelup |
| 5F152 | RECRYSTALLISATION TECHNIQUES | |
| H01L21/18 -21/20;21/34-21/36;21/84 | ||
| H01L21/18-21/20;21/34-21/36;21/84 | AA | AA00 PURPOSE OR EFFECT |
AA01 | AA02 | AA03 | AA04 | AA06 | AA07 | AA08 | AA10 | ||
| . Controlling growth direction | . . Lateral growth | . . . in a single direction | . Controlling positions of crystal grains | . Sizes or shapes of crystal grains | . Orientation of crystals | . Uniformity | . Optimisation according to region | |||||
| AA11 | AA12 | AA13 | AA14 | AA15 | AA17 | AA20 | ||||||
| . Warps stresses or strains | . Defects | . Flatness; Preventing scattering | . Preventing contamination; Cleaning | . . Successive treatments e.g. multi-chambers | . Checking measuring or monitoring | . Others * | ||||||
| BB | BB00 USE FOR SEMICONDUCTOR ELEMENT OR THE LIKE |
BB01 | BB02 | BB03 | BB04 | BB06 | BB07 | BB08 | BB09 | BB10 | ||
| . Transistors or diodes | . . MOSFETs or TFTs | . . . Lower layer gate TFTs | . . Bipolar transistors | . Light emitting elements | . . Lasers | . Light receiving elements | . . Solar cells | . Others * | ||||
| CC | CC00 SUBSTRATE |
CC01 | CC02 | CC03 | CC04 | CC05 | CC06 | CC07 | CC08 | CC09 | CC10 | |
| . Materials (immediately before crystallisation) * | . . Glass | . . Quartz | . . Plastics or organic materials | . . Metals or conductive metal compounds | . . Insulating metal compounds e.g. sapphires | . . Semiconductors | . . . Silicon | . . specifying material properties * | . . Other materials | |||
| CC11 | CC12 | CC13 | CC14 | CC16 | CC20 | |||||||
| . Shapes (immediately before crystallisation) | . . characterised by shapes | . . . Irregularities holes or grooves | . . Other shapes | . using substrates as seeds of crystals | . Others * | |||||||
| CD | CD00 LOWER LAYER FORMED UNDER LAYER TO BE CRYSTALLISED |
CD01 | CD02 | CD03 | CD04 | CD05 | CD06 | CD07 | CD08 | CD09 | CD10 | |
| . Purposes (for crystallisation) * | . . Light reflectivity light transmissivity or light absorptivity | . . Heat conduction e.g. heat-retaining cooling or thermal insulating | . . Flattening or reinforcing e.g. keeping shapes | . . using lower layers as crystal seeds | . . Other purposes | . Materials (immediately before crystallisation) * | . . Semiconductors | . . . Silicon germanium silicon germanium or silicon carbide | . . Plastics or organic materials | |||
| CD12 | CD13 | CD14 | CD15 | CD16 | CD17 | CD18 | CD19 | CD20 | ||||
| . . Insulators | . . . Silicon oxides | . . . Silicon nitrides | . . . Silicon oxynitrides | . . . Insulating metal compounds | . . Metals or conductive metal compounds | . . . Catalytic elements | . . specifying material properties * | . . Other purposes | ||||
| CD21 | CD22 | CD23 | CD24 | CD25 | CD26 | CD27 | CD28 | CD29 | CD30 | |||
| . Shapes (immediately before crystallisation) | . . characterised by flat shapes or arrangements | . . characterised by cross-sections or thicknesses | . . island or stripe | . . Holes or grooves | . . . Micropores or micro grooves (diameters of not more than 200 nm) | . . characterised by multilayered structures | . . Particles or particulates | . having layers on the back of substrates | . Others * | |||
| CE | CE00 LAYER TO BE CRYSTALLISED |
CE01 | CE02 | CE03 | CE04 | CE05 | CE06 | CE07 | CE08 | CE09 | CE10 | |
| . Materials * | . . Group 4 | . . . Silicon | . . . . Polycrystalline silicon | . . . . Amorphous silicon or microcrystalline silicon | . . . Germanium or silicon germanium | . . . Silicon carbides or germanium carbides | . . Groups 3-5 or Groups 2-6 | . . specifying material properties * | . . Other materials | |||
| CE11 | CE12 | CE13 | CE14 | CE15 | CE16 | CE17 | CE18 | CE19 | ||||
| . Deposition processes | . . CVD or chemical vapour deposition | . . . Low pressure CVD | . . . Plasma CVD | . . PVD or physical vapour deposition | . . . Vapour deposition or sputtering | . . . Molecular beam epitaxy or MBE | . . Liquid phases or ink-jets | . . Other depositions | ||||
| CE21 | CE22 | CE23 | CE24 | CE25 | CE26 | CE27 | CE28 | CE29 | CE30 | |||
| . Shapes (immediately before crystallisation) | . . characterised by flat shapes e.g. necking | . . characterised by cross sections | . . specifying thickness | . . . characterised by the thicknesses | . . Multilayered structures | . . characterised by the arrangements | . . Patterning before crystallisation | . . Thin-filming or polishing before crystallisation | . . Other shapes | |||
| CE31 | CE32 | CE33 | CE34 | CE35 | CE36 | CE37 | CE38 | CE39 | CE40 | |||
| . introducing elements (immediately before crystallisation) | . . Conductivity types | . . Non-conductivity types | . . for controlling crystallisation | . . . Catalytic elements | . . Ion implantations or ion doping | . . Plasma doping or diffusing | . . introducing elements simultaneously at the time of depositing | . . characterised by introduced regions | . . Other elements introduced | |||
| CE41 | CE42 | CE43 | CE44 | CE45 | CE46 | CE47 | CE48 | CE49 | CE50 | |||
| . Pretreatments (for crystallisation) | . . Lasers lamps or RTAs | . . . Dehydrogenation or degasification | . . Heat-treatment or heaters | . . . Dehydrogenation or degasification | . . Amorphisation | . . Plasma treatments | . . Cleaning or treatments in liquid phases | . . Other pretreatments | . Others * | |||
| CF | CF00 UPPER LAYER FORMED ON LAYER TO BE CRYSTALLISED |
CF01 | CF02 | CF03 | CF04 | CF05 | CF06 | CF07 | CF08 | CF09 | CF10 | |
| . Purposes (for crystallisation) * | . . Light reflectivity light transmissivity or light absorptivity | . . Heat conduction e.g. heat-retaining cooling or thermal insulating | . . Flattening or reinforcing e.g. keeping shapes | . . using upper layers as crystal seeds | . . Others | . Materials (immediately before crystallisation) * | . . Semiconductors | . . . Silicon germanium silicon germanium or silicon carbide | . . Plastics or organic materials | |||
| CF12 | CF13 | CF14 | CF15 | CF16 | CF17 | CF18 | CF19 | CF20 | ||||
| . . Insulators | . . . Silicon oxides | . . . Silicon nitrides | . . . Silicon oxynitrides | . . . Insulating metal compounds | . . Metals or conductive metal compounds | . . . Catalytic elements | . . specifying material properties * | . . Other purposes | ||||
| CF21 | CF22 | CF23 | CF24 | CF25 | CF26 | CF27 | CF28 | CF30 | ||||
| . Shapes (immediately before crystallisation) | . . characterised by flat shapes or arrangements | . . characterised by cross-sections or thicknesses | . . island or stripe | . . Holes or grooves | . . characterised by multilayered structures | . . Particles or particulates | . . Other shapes | . Others * | ||||
| CG | CG00 LATERAL LAYER FORMED AT THE SIDE OF LAYER TO BE CRYSTALLISED |
CG01 | CG02 | CG03 | CG04 | CG05 | CG06 | CG07 | CG08 | CG09 | CG10 | |
| . Purposes (for crystallisation) * | . . Light reflectivity light transmissivity or light absorptivity | . . Heat conduction e.g. heat-retaining cooling or thermal insulating | . . Flattening or reinforcing e.g. keeping shapes | . . using lateral layers as crystal seeds | . . Other purposes | . characterised by shapes (immediately before crystallisation) | . . Other shapes | . being the same layers as the upper ones | . being the same layers as the lower ones | |||
| CG11 | CG12 | CG13 | CG14 | CG15 | CG16 | CG17 | CG18 | CG19 | CG20 | |||
| . Materials (immediately before crystallisation) * | . . Insulators | . . . Silicon oxides silicon nitrides or silicon oxynitrides | . . . Insulating metal compounds | . . Metals or conductive metal compounds | . . . Catalytic elements | . . Semiconductors | . . Plastics or organic materials | . . specifying material properties * | . Others * | |||
| DD | DD00 AFTER-TREATMENT OF LAYER TO BE CRYSTALLISED |
DD01 | DD02 | DD03 | DD04 | DD05 | DD06 | DD07 | DD08 | DD09 | DD10 | |
| . Changing shapes | . . Thin-filming or flattening | . . Other changing shapes | . Lasers lamps or RTAs | . . removing catalytic elements | . Heat-treatment or heaters | . . removing catalytic elements | . Plasma treatments | . Cleaning or treatments in liquid phases | . Others * | |||
| EE | EE00 CRYSTALLISATION APPARATUS |
EE01 | EE02 | EE03 | EE04 | EE05 | EE06 | EE07 | EE08 | EE09 | EE10 | |
| . characterised by optics * | . . characterised by lenses | . . characterised by mirrors | . . Masks e.g. phase control | . . . Slit masks shielding plates or shutters | . . controlling interference | . . Other optics | . characterised by means for holding substrates or stages | . Controlling focusing | . characterised by details of the apparatus * | |||
| EE11 | EE12 | EE13 | EE14 | EE15 | EE16 | EE17 | EE18 | EE19 | EE20 | |||
| . Atmospheres gas supply or exhausting * | . . controlling pressures | . . . Vacuum or reduced pressures | . . Oxygen or oxidising gases | . . Hydrogen or reducing gases | . . Nitrogen or inert gases | . . Halogens | . . Other atmospheres | . Maintenance or cleaning | . Others * | |||
| FF | FF00 MEANS FOR CRYSTALLISATION |
FF01 | FF02 | FF03 | FF04 | FF05 | FF06 | FF07 | FF08 | FF09 | FF10 | |
| . Lasers * | . . Gas lasers * | . . . Excimer lasers | . . . Noble gases or carbon dioxide lasers | . . Solid lasers * | . . . YAG | . . . YLF YVO4 or YAlO3 | . . . Ruby alexandrite or sapphires | . . . Semiconductor lasers | . . Other lasers | |||
| FF11 | FF12 | FF13 | FF14 | FF15 | FF16 | FF17 | FF18 | FF19 | FF20 | |||
| . Lamps or RTAs * | . . Continuous lighting lamps | . . Flashlamps or pulse lighting lamps | . . Halogen lamps | . . Xenon lamps | . . Mercury lamps | . . Metal halide lamps | . . Other lamps | . Electrons e.g. beams | . Ions plasmas or neutral particles e.g. beams | |||
| FF21 | FF22 | FF23 | FF24 | FF25 | FF26 | FF27 | FF28 | FF29 | FF30 | |||
| . Heat-treatment or heaters * | . . Electric furnace heating | . . Induction furnace heating or induction heating | . . Susceptor heating | . . Other heat treatments | . characterised by temperature profiles | . . Temperature rising or falling speeds | . Melt crystallisation | . Solid phase crystallisation | . Multi-stage crystallisation | |||
| FF31 | FF32 | FF33 | FF34 | FF35 | FF36 | FF37 | FF38 | FF39 | FF40 | |||
| . using several kinds of means | . . Two or more kinds of lasers | . . . using split laser lights | . . Two or more kinds of lamps | . . Lasers or lamps | . . Lasers and heaters | . . Lamps and heaters | . . Lasers lamps and heaters | . . using several kinds of means simultaneously | . . Other means | |||
| FF41 | FF42 | FF43 | FF44 | FF45 | FF46 | FF47 | FF48 | FF49 | FF50 | |||
| . specified only by wavelengths | . . X-rays | . . Ultra-violet lights | . . Visible lights | . . Infra-red lights | . . Microwaves | . Converted wavelengths e.g. higher harmonics | . Other auxiliary means e.g. magnetic fields electrical fields or cooling | . . Other means | . Others * | |||
| FG | FG00 PROCESS OF RADIATION |
FG01 | FG02 | FG03 | FG04 | FG05 | FG06 | FG07 | FG08 | FG09 | ||
| . Continuous radiations | . . Other continuous radiations | . Pulse radiations | . . specifying pulse widths or intervals | . . . characterised by the widths or intervals e.g. pulse modulations | . . characterised by pulse waveforms e.g. multi-peaks | . . Other pulse radiations | . specifying the number of radiation (single or plural) | . . characterised by the number of radiation | ||||
| FG11 | FG12 | FG13 | FG14 | FG15 | FG18 | FG19 | ||||||
| . Direction of radiation | . . Oblique radiation | . . Backside radiation | . . . Both sides | . . Other directions | . specifying density intensity or distribution of energy | . . characterised by density intensity or distribution of energy | ||||||
| FG21 | FG22 | FG23 | FG24 | FG25 | FG27 | FG28 | FG29 | FG30 | ||||
| . specifying cross-sections or sizes | . . characterised by shapes or sizes of cross-section | . . . linear or web-formed | . . . crescent dogleg corrugated or chevron-shaped | . . Other shapes | . Irradiating multiple areas simultaneously excluding using masks | . Batch radiations | . Computer control | . Others * | ||||
| FH | FH00 PROCESS OF SCANNING |
FH01 | FH02 | FH03 | FH04 | FH05 | FH06 | FH07 | FH08 | FH10 | ||
| . Scanning | . . Beam scanning | . . Stage scanning | . . Step scanning | . . Overlap scanning | . . . of overlapped scanning lines | . . Other scanning | . scanning only desired areas (for crystallisation) | . scanning an area several times | ||||
| FH11 | FH12 | FH13 | FH14 | FH15 | FH16 | FH17 | FH18 | FH19 | FH20 | |||
| . characterised by scanning direction | . . Oblique scanning | . . changing the direction | . . Other scanning directions | . characterised by scanning speeds | . . changing the speeds | . . Other features of scanning speeds | . Alignments or markers | . Computer control | . Others * | |||
| LL | LL00 SEMICONDUCTOR FILM GROWTH TECHNIQUE (SEMICONDUCTOR LAYERS) |
LL01 | LL02 | LL03 | LL04 | LL05 | LL07 | LL08 | LL09 | LL10 | ||
| . Growth techniques | . . Vapour phases | . . . Chemical vapour deposition (CVD) or vapour phase epitaxy (VPE) | . . . . Plasma CVD | . . . . Metal organic chemical vapour deposition (MOCVD) or metal organic vapour phase epitaxy (MOVPE) | . . . Physical vapour deposition (PVD) | . . . . Evaporation | . . . . MBE or CBE | . . . . Sputtering | ||||
| LL12 | LL13 | LL14 | LL16 | LL18 | LL20 | |||||||
| . . Liquid phases | . . . LPE | . . . Deposition from aqueous solutions | . . Melting | . . Solid phases | . Others * | |||||||
| LM | LM00 GENERAL EPITAXIAL GROWTH TECHNIQUE |
LM01 | LM02 | LM03 | LM04 | LM05 | LM06 | LM08 | LM09 | LM10 | ||
| . Selective growth * | . . using masks | . . without masks (modifying or processing substrates) | . . characterised by processing masks or substrates | . . in lateral direction; lateral overgrowth | . . Other selective growth | . characterised by growth techniques * | . characterised by others than growth techniques * | . Others * | ||||
| LN | LN00 LATTICE MATCHING OR MISMATCHING |
LN01 | LN02 | LN03 | LN04 | LN05 | LN07 | LN08 | LN09 | LN10 | ||
| . Purposes * | . . preventing adverse effects caused by strains | . . . reducing or suppressing dislocation or cracks | . . . reducing irregularities | . . . reducing warps | . . using strains positively | . . . improving mobility or the like | . . . Self-organisation | . . Others | ||||
| LN11 | LN12 | LN13 | LN14 | LN15 | LN16 | LN17 | LN18 | LN19 | LN20 | |||
| . Buffer or action layers * | . . Superlattices | . . having changed compositions | . . . changing continuously | . . . changing stepwise | . . polycrystal or amorphous | . . . Low temperature growth | . . characterised by crystal orientation | . . characterised by materials | . . Other buffer or action layers | |||
| LN21 | LN22 | LN23 | LN24 | LN26 | LN27 | LN28 | LN29 | LN30 | ||||
| . Heat treatment * | . . High temperatures | . . Heating cycles | . . Other heat treatment | . Flattening | . . Polishing | . . . CMP | . . Etching | . . Other flattening | ||||
| LN31 | LN32 | LN33 | LN34 | LN35 | LN36 | LN37 | LN40 | |||||
| . Selective growth * | . . using masks | . . without masks (modifying or processing substrates) | . . characterised by processing masks or substrates | . . in lateral direction; lateral overgrowth | . . having cavities | . . Other selective growth | . Others * | |||||
| LP | LP00 OTHER TECHNIQUES FOR BONDING OR SEPARATING |
LP01 | LP02 | LP04 | LP05 | LP06 | LP07 | LP08 | LP09 | LP10 | ||
| . bonding to supporting substrates | . . without interlayers | . Separating from supporting substrates * | . . Melting | . . . Lasers | . . . Heating | . . Etching | . . Mechanical removing | . Others * | ||||
| MM | MM00 APPLICATION TO SEMICONDUCTOR ELEMENT OR THE LIKE |
MM01 | MM02 | MM03 | MM04 | MM05 | MM06 | MM07 | MM08 | MM09 | MM10 | |
| . Electronic elements * | . . Diodes | . . Transistors | . . . MOSFETs | . . . MESFETs or HEMTs | . . . JFETs | . . . Bipolar transistors | . Light emitting elements * | . . Lasers | . . Light emitting diodes | |||
| MM11 | MM12 | MM13 | MM14 | MM15 | MM16 | MM18 | MM19 | MM20 | ||||
| . Light receiving elements * | . . Photodiodes | . . . Solar cells | . . Phototransistors | . Elements having special structures or operations * | . . Quantum structures | . Epitaxial wafers | . SOI substrates | . Others * | ||||
| NN | NN00 SUBSTRATE MATERIALS, INCLUDING LAYERED MATERIALS USED AS SUBSTRATES |
NN01 | NN02 | NN03 | NN04 | NN05 | NN06 | NN07 | NN08 | NN09 | NN10 | |
| . Semiconductors * | . . Group 4 * | . . . Silicon | . . . Germanium or silicon germanium | . . . Silicon carbides | . . Group 3-5 * | . . . Gallium arsenide | . . . Indium phosphides | . . . Nitrides | . . Group 2-6 * | |||
| NN11 | NN12 | NN13 | NN14 | NN15 | NN16 | NN17 | NN18 | NN19 | NN20 | |||
| . Insulators * | . . Insulating metal compounds * | . . . Sapphires | . . Glass | . . Silicon oxides | . . . Quartz | . . Silicon nitrides or silicon oxynitrides | . . Other insulators | . Metals or conductive metal compounds * | . Plastics or organic materials | |||
| NN21 | NN22 | NN23 | NN24 | NN25 | NN27 | NN29 | NN30 | |||||
| . Crystallinity * | . . Polycrystals | . . Amorphousness | . . Porosity | . . Other crystallinity | . Crystal orientation * | . Multilayered structures | . Others * | |||||
| NP | NP00 MATERIAL OF LAYER BETWEEN SUBSTRATE AND ACTIVE LAYER, E.G. BUFFER LAYERS OR MASKS |
NP01 | NP02 | NP03 | NP04 | NP05 | NP06 | NP07 | NP08 | NP09 | NP10 | |
| . Semiconductors * | . . Group 4 * | . . . Silicon | . . . Germanium or silicon germanium | . . Group 3-5 * | . . . Gallium arsenide | . . . Indium arsenide | . . . Indium gallium arsenide | . . . Nitrides | . . Group 2-6 * | |||
| NP11 | NP12 | NP13 | NP14 | NP15 | NP17 | NP19 | ||||||
| . Insulators * | . . Oxides * | . . . Silicon oxides | . . Silicon nitrides or silicon oxynitrides | . . Other insulators | . Metals or conductive metal compounds * | . Plastic or organic materials | ||||||
| NP21 | NP22 | NP23 | NP24 | NP25 | NP27 | NP29 | NP30 | |||||
| . Crystallinity * | . . Polycrystals | . . Amorphousness | . . Porosity | . . Other crystallinity | . Crystal orientation * | . Single layers | . Others * | |||||
| NQ | NQ00 MATERIAL OF ACTION LAYER, ACTIVE LAYER, OR ELEMENT CONSTITUTING LAYER |
NQ01 | NQ02 | NQ03 | NQ04 | NQ05 | NQ06 | NQ07 | NQ08 | NQ09 | NQ10 | |
| . Semiconductors * | . . Group 4 * | . . . Silicon | . . . Germanium or silicon germanium | . . Group 3-5 * | . . . Gallium arsenide | . . . Indium arsenide | . . . Indium gallium arsenide | . . . Nitrides | . . Group 2-6 * | |||
| NQ11 | NQ12 | NQ13 | NQ14 | NQ17 | NQ20 | |||||||
| . Crystallinity * | . . Polycrystals | . . Amorphousness | . . Others | . Crystal orientation * | . Others * |