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2H068 PHOTORECEPTORS IN ELECTROPHOTOGRAPHY
G03G5/00 -5/16
G03G5/00-5/16 AA AA00
CONSTITUTION OF ELECTROPHOTOGRAPHIC PHOTORECEPTOR (AMORPHOUS SILICON (A-SI) PHOTORECEPTOR, SEE DA00) 		AA01 AA02 AA03 AA04 AA05 AA06 AA08 AA09 AA10
. Surface layers . . Forming materials * . . . Binder materials * . . . Additives * . . . . Resistance regulators * . . . . Lubricants * . . Properties . . Surface shapes or layer forms . . Layers between surface layers and photosensitive layers
AA11 AA12 AA13 AA14 AA15 AA16 AA17 AA18 AA19 AA20
. Photosensitive layers i.e. photoconducting layers . . Forming materials * . . . Binder materials * . . . Additives * . . . . Sensitisers * . . . . Anti-oxidants * . . . . Ultra-violet absorbents * . . . Photoconductive materials * . . . . Charge-generation materials (CGM) * . . . . Charge-transporting materials (CTM) *
AA21 AA22 AA23 AA24 AA25 AA26 AA28 AA29
. . . Organic photoreceptors . . . . Charge-transfer (CT) complexes . . . . Eutectic complexes . . . Organic or inorganic photoreceptors . . . Inorganic photoreceptors . . . . Binder dispersion-type inorganic photoreceptors . . Properties . . Surface shapes or layer forms
AA31 AA32 AA33 AA34 AA35 AA36 AA37 AA38 AA39 AA40
. . Single layer-type photoreceptors . . Stacked-type photoreceptors . . . Functional separation types . . . . Charge-generation layers (CGL) . . . . Charge-transporting layers (CTL) . . . . Upper charge-generation layers (CGL) and lower charge-transporting layers (CTL) . . . . Upper charge-transporting layers (CTL) and lower charge-generation layers (CGL) . . . . Charge-generation layers (CGL) intermediate layers and charge-transporting layers (CTL) . . . with two or more photoconductive photosensitive layers . . . Photosensitive heat-sensitive or the like layers other than photoconducting layers
AA41 AA42 AA43 AA44 AA45 AA48 AA49 AA50
. Subbing layers i.e. layers between bases and photosensitive layers . . Forming materials * . . . Binder materials * . . . Additives * . . . . Conductive agents * . . Properties . . Surface shapes or layer forms . . comprising two or more layers
AA51 AA52 AA53 AA54 AA55 AA56 AA57 AA58 AA59 AA60
. Bases . . Forming materials * . . Shapes . . . of drums . . . of belts . . . of sheets . . . of screens . . Properties . . Surface shapes or layer forms . Backing layers
BA BA00
ORGANIC LOW-MOLECULAR-WEIGHT MATERIAL 		BA01 BA02 BA03 BA04 BA05
. Aliphatics . . Hydrocarbons . . Alcohols . . Carboxylic acids . . Amines
BA11 BA12 BA13 BA14 BA15 BA16 BA17 BA18
. Aromatics . . Phenyls . . . Styryls or stilbenes . . Polycyclics . . . Fluorenones . . Heterocyclics . . . Pyrazolines . . . Diazoles
BA21 BA22 BA23 BA24 BA25 BA26
. . Hydrazones (>C=N-N<) . . . Phenyl hydrazones ((Phenyl)-C=N-N<) . . . Polycyclic hydrazones ((Polycyclic ring)-C=N-N<) . . . Heterocyclic hydrazones ((Heterocyclic ring)-C=N-N<) . . . Two or more hydrazone groups (>C=N-N<) . . . Azines (>C=N-N=C<)
BA31 BA32 BA33 BA34 BA35 BA36 BA37 BA38 BA39 BA40
. . Dyestuffs or pigments . . . Cyanines . . . Pyryliums . . . Azuleniums . . . Squaryliums . . . Perylenes . . . Polycyclic quinones . . . Phthalocyanines . . . . Metal-containing phthalocyanines . . . . . Copper phthalocyanines
BA41 BA42 BA43 BA44 BA45 BA46 BA47 BA48 BA49
. . . Azo compounds . . . . Monoazo compounds . . . . Bisazo compounds . . . . . Only phenyls or double bonds in skeletons . . . . . Heterocyclic rings in skeletons . . . . . Two condensed rings . . . . . Three condensed rings . . . . . Four or more condensed rings . . . . . Other bonds in skeletons
BA51 BA52 BA53 BA55 BA57 BA58 BA60
. . . . Trisazos . . . . Polyazos i.e. compounds containing four or more azo groups . . . . Couplers . . . Other dyestuffs or pigments . Organometallic compounds (dyestuffs or pigments see BA31) . Organic silicon compounds . Other organic low-molecular-weight compounds
BA61 BA63 BA64
. Surfactants . Electron accepting substances . Electron donating substances
BB BB00
ORGANIC MACROMOLECULAR MATERIAL 		BB01 BB02 BB03 BB04 BB05 BB06 BB07 BB08 BB09 BB10
. Synthetic resins . . Polymers of monomers with one carbon-to-carbon double bond (C=C) . . . Polymers of olefin monomers . . . . of ethylene . . . Polymers of unsaturated carboxylic acids or derivatives thereof . . . . of acrylic monomers . . . . . of acrylic acids or acrylates . . . . . of methacrylic acids or methacrylates . . . . . of acrylonitriles . . . Polymers of styrene
BB11 BB12 BB13 BB14 BB15 BB16 BB17 BB18 BB19 BB20
. . . Polymers of vinyl acetates . . . Polymers of vinyl chlorides . . . Polymers of vinylidene chlorides . . . Polyvinyl ethers . . . Polyvinyl alcohols . . . Polyvinyl butyrals . . . Other polymers of monomers with one carbon-to-carbon double bond (C=C) . . Polymers of monomers with two carbon-to-carbon double bonds (C=C) . . . Polymers of butadienes . . Binary copolymers
BB21 BB23 BB24 BB25 BB26 BB27 BB28 BB29 BB30
. . Ternary or higher-component copolymers . . Polyesters . . . Polyethylene terephthalates . . . Polycarbonates . . . . characterised by bisphenol components . . . Polyarylates . . Polyamides (-CONH-) . . Polyurethanes (-NHCOO-) . . Epoxies
BB31 BB32 BB33 BB34 BB35 BB36 BB37 BB38 BB39 BB40
. . Fluorocarbons . . Silicones . . . Silicone resins . . . Silicone oils . . Phenolic resins . . Amino resins . . . Melamine resins . . . Urea resins . . Petroleums . . Polyethers or polysulfones
BB41 BB42 BB43 BB44 BB45 BB46 BB47 BB48 BB49 BB50
. . Conductive resins . . . Quaternary ammonium salt polymers . . . Sulfonate polymers . . Photoconductive resins . . . Carbazole-containing vinyl polymers . . . . Poly-N-vinylcarbazoles . . . . Poly-N-vinylcarbazole derivatives . . . Carbazole-containing polymers other than vinyl polymers . . . Polymers containing units other than carbazoles . . Other resins
BB51 BB52 BB53 BB54 BB55 BB56 BB57 BB58 BB59 BB60
. . Numerical limitation . . . of molecular weights . . . of monomer ratios . . . of compositions . . . of glass transition points or softening points . . . of acid values . . Hardening or crosslinking properties . . . Thermosetting properties . . . Light hardening e.g. ultra-violet hardening ability . . . Electron beam hardening or radiation hardening properties
BB61 BB62 BB63 BB64 BB65 BB66 BB67 BB68 BB69 BB70
. . Graft polymerisation . . Block polymerisation . . Modification . . Waxy substances . . Rubbery substances . . Fibrous substances . Natural materials . . Caseins . . Celluloses . . . Paper
CA CA00
INORGANIC MATERIAL 		CA01 CA02 CA03 CA05 CA06
. Carbon . . Carbon blacks . . Amorphous carbon . Silicon . . Silicon oxides
CA11 CA12 CA13 CA14 CA15 CA16 CA17 CA18 CA20
. Selenium . . Pure selenium . . Selenium and tellurium . . Selenium and arsenic . . Selenium and bismuth . . Selenium and antimony . . Selenium and oxygen . . Selenium and halogens . . Selenium and other added substances
CA21 CA22 CA23 CA25 CA26 CA27 CA29 CA30
. Zinc . . Zinc monoxides (ZnO) . . Zinc compounds other than zinc monoxides (ZnO) . Cadmium . . Cadmium sulfides (CdS) . . Cadmium compounds other than cadmium sulfides (CdS) . Titanium . Lead
CA31 CA32 CA33 CA34 CA36 CA37 CA39 CA40
. Aluminium . . Aluminium metals or alloys . . Aluminium oxides . . Other aluminium compounds . Tin . . Tin oxides . Indium . . Indium oxides
CA41 CA42 CA43 CA44 CA45 CA46 CA47 CA48 CA49 CA50
. Chromium . Manganese . Iron . . Stainless steels . Cobalt . Nickel . Platinum . Copper . Silver . Gold
CA51 CA52 CA54 CA60
. Alkali metals e.g. sodium or potassium . . Glass . Alkaline earth metals e.g. magnesium or calcium . Other inorganic materials
DA DA00
SILICON PHOTORECEPTOR 		DA01 DA02 DA03 DA04 DA05 DA06 DA07 DA08 DA09 DA10
. Surface layers . . Forming materials . . . Amorphous silicon (a-Si) in general . . . . Amorphous silicon (a-Si) plus halogens . . . . Amorphous silicon (a-Si) and carbon . . . . Amorphous silicon (a-Si) and oxygen . . . . Amorphous silicon (a-Si) and nitrogen . . . . Amorphous silicon (a-Si) and group 3 elements e.g. boron . . . . Amorphous silicon (a-Si) and group 5 elements e.g. phosphorus . . . . Amorphous silicon (a-Si) and germanium tin or lead
DA11 DA12 DA13 DA14 DA15 DA16 DA17 DA18 DA19 DA20
. . . . Amorphous silicon (a-Si) and other inorganic additives . . . Other inorganic materials . . . Organic materials . . . Limitation of compositions . . . . Variations of components in thickness directions . . Properties . . . Limitation of property values . . . Limitation of structures . . Multilayer structures . . Surface shapes or layer forms
DA21 DA22 DA23 DA24 DA25 DA26 DA27 DA28 DA29 DA30
. Photoconducting layers . . Forming materials . . . Amorphous silicon (a-Si) in general . . . . Amorphous silicon (a-Si) and halogens . . . . Amorphous silicon (a-Si) and carbon . . . . Amorphous silicon (a-Si) and oxygen . . . . Amorphous silicon (a-Si) and nitrogen . . . . Amorphous silicon (a-Si) and group 3 elements e.g. boron . . . . Amorphous silicon (a-Si) and group 5 elements e.g. phosphorus . . . . Amorphous silicon (a-Si) and germanium tin or lead
DA31 DA32 DA33 DA34 DA35 DA36 DA37 DA38 DA39
. . . . Amorphous silicon (a-Si) and other inorganic additives . . . Other inorganic materials . . . Organic materials . . . Limitation of compositions . . . . Variations of components in thickness directions . . Properties . . . Limitation of property values . . . Limitation of structures . . . . Microcrystals
DA41 DA42 DA43 DA44 DA45 DA46 DA47 DA48 DA49 DA50
. . Multilayer structures . . . Functional separation types . . . . Charge-generation layers (CGL) . . . . Charge-transporting layers (CTL) . . . . Transition layers . . . . Upper charge-generation layers (CGL) and lower charge-transporting layers (CTL) . . . . Upper charge-transporting layers (CTL) and lower charge-generation layers (CGL) . . . Superlattice layers . . Binder dispersion types . . Surface shapes or layer forms
DA51 DA52 DA53 DA54 DA55 DA56 DA57 DA58 DA59 DA60
. Subbing layers . . Forming materials . . . Amorphous silicon (a-Si) in general . . . . Amorphous silicon (a-Si) and halogens . . . . Amorphous silicon (a-Si) and carbon . . . . Amorphous silicon (a-Si) and oxygen . . . . Amorphous silicon (a-Si) and nitrogen . . . . Amorphous silicon (a-Si) and group 3 elements e.g. boron . . . . Amorphous silicon (a-Si) and group 5 elements e.g. phosphorus . . . . Amorphous silicon (a-Si) and germanium tin or lead
DA61 DA62 DA63 DA64 DA65 DA66 DA67 DA68 DA69 DA70
. . . . Amorphous silicon (a-Si) and other inorganic additives . . . Other inorganic materials . . . Organic materials . . . Limitation of compositions . . . . Variations of components in thickness directions . . Properties . . . Limitation of property values . . . Limitation of structures . . Multilayer structures . . Surface shapes or layer forms
DA71 DA72 DA80
. Bases . . Forming materials . . Surface shapes or layer forms
EA EA00
MANUFACTURE 		EA01 EA02 EA03 EA04 EA05 EA06 EA07
. Raw materials . . Kinds of film-forming gases . . Evaporation sources . . Manufacture or synthesis of raw materials . . Treatment of raw materials . . . Encapsulation . . working raw materials
EA11 EA12 EA13 EA14 EA15 EA16 EA17 EA18 EA19 EA20
. Film formation . . Wet film-forming processes . . . Dispersing methods . . . Solvents . . . Adding methods . . . Dipping processes or dip coating processes . . . Spray coating processes . . . Other wet film-forming processes . . . Drying . . . Circulating
EA21 EA22 EA23 EA24 EA25 EA26 EA27 EA28 EA30
. . Dry film-forming processes . . . Vacuum deposition processes . . . Sputtering processes . . . Glow discharge processes e.g. plasma chemical vapour deposition (CVD) . . . . Microwave chemical vapour deposition (CVD) processes . . . Photo chemical vapour deposition (CVD) processes . . . Thermal chemical vapour deposition (CVD) processes . . . Other dry film-forming processes . . . Reactors
EA31 EA32 EA33 EA34 EA35 EA36 EA38 EA40
. . Film-forming parameters . . . Film-forming temperatures e.g. substrate temperatures . . . Decompression degrees . . . film-forming rates . . . Gas flow rates . . . Other parameters . . Stripping . . Film pasting
EA41 EA43 EA45 EA47
. Measurements . Treatment after formation . Storage . Regeneration
FA FA00
PURPOSE 		FA01 FA02 FA03 FA04 FA05 FA06 FA07 FA08
. Durability or environmental resistance . . Ozone resistance . . Wear resistance . . Lubricity . . Resistance to voltage . . Heat resistance . . Moisture resistance . . Adhesive properties
FA11 FA12 FA13 FA14 FA15 FA16 FA17 FA18 FA19 FA20
. Image characteristics . . improving charge capability . . increasing sensitivity . . improving spectral sensitivity characteristics . . preventing image blurs . . preventing image deletion . . preventing interferences . . preventing photomemories . . preventing residual potential increases . . blocking charge injection
FA21 FA23 FA25 FA27 FA30
. Memory photoreceptors . Flexibility . reducing costs . Photoreceptor cartridges . Others
FB FB00
USE 		FB01 FB02 FB03 FB04 FB05 FB06 FB07 FB08
. for plain paper copiers (PPC) . . for high-speed copiers . . for personal types . for coated paper copiers (CPC) . for printers . . for infra-red light writing . . . for semiconductor lasers . . . for light emitting diodes (LED)
FB11 FB12 FB13 FB14 FB15 FB16
. for colours . . for two-colour images . . for multicolour images . . . for one-shot colours . . . . Mosaic photoreceptors . . for forming colours
FB21 FB22 FB23 FB24 FB25 FB26 FB27 FB28
. Photoreceptors for special uses . . for printing form preparation . . for slide preparation . . for microfilm or microfiche preparation . . for electrostatic printing . . for display apparatus . . for marking-off . . for electroradiography or ionography
FB31 FB32 FB33 FB34 FB35 FB36 FB37 FB38 FB39 FB40
. Photoreceptors for special processes . . for processes using insulating layer covering photoreceptors . . for transfer of electrostatic images (TESI) . . . for simultaneous exposure and transfer of electrostatic images (TESI) . . Photoconductive screen photoreceptors . . for heat deformation recording . . Processes using photoconductive toners . . . for photoelectrophoresis . . . for photo-migration . Others
FC FC00
RELATIONSHIP WITH ELECTROPHOTOGRAPHIC PROCESS 		FC01 FC02 FC03 FC04 FC05 FC06 FC08
. Charge . . for positive polarity charge . . for negative polarity charge . . for bipolarity charge . Exposure . . for backside exposure . Development
FC11 FC13 FC15 FC17 FC20
. Transfer . Fixing . Cleaning . Discharge . Others e.g. polishing or current conducting methods
GA GA00
RECORDING BODY OTHER THAN ELECTROPHOTOGRAPHIC PHOTORECEPTOR 		GA01 GA02 GA03 GA04 GA05 GA06 GA07 GA08 GA09 GA10
. Electrostatic recording bodies . . Dielectric layers . . . Binders * . . . Additives * . . Intermediate layers . . . Binders * . . . Additives * . . . . Conductive agents * . . Bases . . Backing layers
GA11 GA12 GA13 GA14 GA15 GA16 GA18 GA20
. Heat deformation recording bodies . Magnetic recording bodies . X-ray-sensitive recording bodies . Light-sensitive recording bodies . Heat-sensitive recording bodies . Electron-sensitive recording bodies . Other recording bodies . Others
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