Abstract: This invention includes an organophotoreceptor having an electrically conductive substrate and photoconductive element on the electrically conductive substrate, the photoconductive element having a) a polymeric charge transport composition with the formula where Y1 and Y2 are, each independently, a bond, a —CR1?N—NR2— group, or a —CR3?N—N?CR4— group; R, R?, R?, R1, R2, R3, and R4 comprise, each independently, H, an alkyl group, an alkenyl group, a heterocyclic group, an aromatic group, or a part of a ring group; X1 and X2 are, each independently, a linking group; T2 comprises a thiiranyl group, H, an alkyl group, an alkenyl group, or an aromatic group; Ar comprises an aromatic group; Z is a bridging group; and n is a distribution of integers between 1 and 100,000 with an average value at least 2; and (b) a charge generating compound. Corresponding electrophotographic apparatuses and imaging processes are also described.

Abstract: Charge transport compounds are described that have a multiple number of hydrazone-bridged (N,N-disubstituted)arylamine groups connected by a central bridging group. Examples of charge transport compounds of this invention are those having the following generic formula: (R-Q)n-Y where R is an (N,N-disubstituted)arylamine group; Q comprises an aliphatic or aromatic hydrazone linking group; n is 2; and Y comprises a bridging group comprising an aryl group having the formula —Ar1-G-Ar2— where Ar1 and Ar2 are, each independently, an arylene group and G comprises a bond, O, S, —SO2—, an imine group, an alkylene group, or an aromatic group.

Abstract: This invention relates to a novel organophotoreceptor that includes: (a) a charge transport material comprising a fluorenone hydrazone having a) least two fluorenone alkylsulfonylphenylhydrazone groups, b) at least two fluorenone pyrrolylhydrazone groups, c) at least two fluorenone benzotriazolylhydrazone groups, d) at least two fluorenone sulfolanylhydrazone groups, e) at least two fluorenone pyrazolylhydrazone groups, f) at least two fluorenone naphthylhydrazone groups, g) at least two fluorenone tetrazolylhydrazone groups, h) at least two fluorenone stilbenylhydrazone groups, or i) at least two fluorenone(9H-fluoren-9-ylidene)benzylhydrazone groups. Some of these fluoreneones may be represented by the formula where n is an integer between 2 and 6, inclusive; R1 is hydrogen, alkyl, or aryl; R2 is alkylsulfonylphenyl or one of its derivatives; X is a linking group having the formula —(CH2)m—, branched or linear.

Abstract: This invention relates to a novel electrophotographic imaging process that includes: (a) applying an electrical charge to a surface of an organophotoreceptor comprising: (i) a charge transport composition comprising molecules having the formula where the average n is between 1 and 1000; R1 and R2 are, independently, hydrogen, alkyl, unsaturated hydrocarbon, ether, cycloalkyl, or aryl; X is a bis(fluorene-4-carboxyl)alkane group; Y is a sulfonyldiphenylene; Z is X=O or two hydrogens; and Q is O or N—N(R1)—Y—N(R2)—NH2; (ii) a charge generating compound; and (iii) an electrically conductive substrate over which said charge transport composition and said charge generating compound are located; (b) imagewise exposing said surface of said organophotoreceptor to radiation to dissipate charge in selected areas and thereby form a pattern of charged and uncharged areas on said surface; (c) contacting said surface with a toner to create a toned image; and (d) transferring said toned image to a substrate.

Abstract: In one aspect, the invention provides methods and apparatus for forming optical devices on large area substrates. The large area substrates are preferably made of quartz, silica or fused silica. The large area substrates enable larger optical devices to be formed on a single die. In another aspect, the invention provides methods and apparatus for forming integrated optical devices on large area substrates, such as quartz, silica or fused silica substrates. In another aspect, the invention provides methods and apparatus for forming optical devices using damascene techniques on large area substrates or silicon substrates. In another aspect, methods for forming optical devices by bonding an upper cladding layer on a lower cladding and a core is provided.

Abstract: A novel charge transport compound, a novel process using that novel compound and an organophotoreceptor includes: (a) a novel charge transport compound having the formula ?where R1 and R2 are selected so that R1 and R2 form, with the included nitrogen atom, a group selected from the group consisting of heterocyclic rings, aromatic rings, and dinaphthylamine; or R1 comprises an aryl group and R2 comprises a group selected from the group consisting of sulfolanyl, 4-(9H-fluoren-9-ylidene)benzyl, pyrrolyl, pyrazolyl, benzotriazolyl, stilbenyl, tetrazolyl; or R1 comprises hydrogen, an alkyl group, an aryl group and R2 comprises sulfonylphenyl. ?R3 is hydrogen, an alkyl group, an aryl group, a heterocyclic group or a hydrocarbon group; and ?Q is a 3-carbazole group; (b) a charge generating compound; and (c) an electrically conductive substrate.

Abstract: An organophotoreceptor comprises an electrically conductive substrate and photoconductive element on the electrically conductive substrate, the photoconductive element having a) a charge transport material with the formula where X is a linking group having the formula —(CH2)m—, branched or linear, where m is an integer between 0 and 20, inclusive, and one or more of the methylene groups is optionally replaced by O, S, C?O, O?S?O, a heterocyclic group, an aromatic group, urethane, urea, an ester group, a NR3 group, a CHR4 group, or a CR5R6 group where R3, R4, R5, and R6 are, independently, H, hydroxyl group, thiol group, an alkyl group, an alkaryl group, a heterocyclic group, or an aryl group; R1 and R2 are independently a hydrogen, a halogen, an alkyl group, an aryl group, an alkaryl group, an aromatic group or a heterocyclic group; Y is an aromatic group; and n is a distribution of integer values greater than 2; and (b) a charge generating compound.

Abstract: An organophotoreceptor that includes: (a) a charge transport material having the formula wherein A is selected from heterocyclic groups, naphthyl group, (9H-fluoren-9-ylidene)benzyl group, alkylsulfonylphenyl, or stilbenyl, B is selected from hydrogen, alkyl group, and an aryl group, with the proviso that when A is naphthyl, B is naphthyl; or where R1 is selected from the group consisting of N-pyrrolyl, N-pyrazolyl, N-tetrazolyl, N-indolyl, N-carbazolyl, N-triazolyl, N-imidazolyl, N-benzimidazolyl, N-indazolyl, and N-benzotriazolyl group, and R3 is a 9-fluorenone group.

Abstract: Charge transport compounds are described that have a multiple number of hydrazone-bridged (N,N-disubstituted)arylamine groups connected by a central bridging group. Examples of charge transport compounds of this invention are those having the following generic formula: (R-Q)n-Y where R is an (N,N-disubstituted)arylamine group; Q comprises an aromatic hydrazone linking group; Y comprises a bridging group between R-Q- groups; and n is an integer between 2 and 6. An organic photoreceptor includes (a) that compound and (b) a charge generating compound; and (c) an electrically conductive substrate.

Abstract: Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a charge transport material having the formula where n is an integer between 2 and 6, inclusive; R1 and R2 are, independently, an alkyl group, an alkaryl group, or an aryl group with the proviso that neither R1 nor R2 is a naphthyl group, a stilbenyl group, alkylsulfonylphenyl group or a (9H-fluoren-9-ylidene)benzyl group; R3 and R4 are, independently, H, halogen, carboxyl, hydroxyl, thiol, cyano, nitro, aldehyde group, ketone group, an ether group, an ester group, a carbonyl group, an alkyl group, an alkaryl group, or an aryl group; X is a linking group having the formula —(CH2)m—, branched or linear, where m is an integer between 0 and 20, inclusive, and one or more of the methylene groups can be optionally replaced by O, S, C?O, O=S=O, a heterocyclic group, an aromatic group, urethane, urea, an ester group, a

Abstract: Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a charge transport material having the formula where n is an integer between 2 and 6, inclusive; R1 and R2 are, independently, H, an alkyl group, an alkaryl group, a heterocyclic group, or an aryl group; R3 and R4 are, independently, H, halogen, carboxyl, hydroxyl, thiol, cyano, nitro, aldehyde group, ketone group, an ether group, an ester group, a carbonyl group, an alkyl group, an alkaryl group, or an aryl group; X is a linking group having the formula —(CH2)m—, branched or linear, where m is an integer between 0 and 20, inclusive, and one or more of the methylene groups can be optionally replaced by O, S, C?O, O?S?O, a heterocyclic group, an aromatic group, urethane, urea, an ester group, a NR5 group, a CHR6 group, or a CR7R8 group where R5, R6, R7, and R8 are, independently, H, an alkyl group, an alkaryl gro

Abstract: Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a charge transport material having the formula where n is an integer between 2 and 6, inclusive; R1 and R2 are, independently, H, halogen, carboxyl, hydroxyl, thiol, cyano, nitro, aldehyde group, ketone group, an ether group, an ester group, a carbonyl group, an alkyl group, an alkaryl group, or an aryl group; X is a linking group having the formula —(CH2)m—, branched or linear, where m is an integer between 0 and 20, inclusive, and one or more of the methylene groups can be optionally replaced by O, S, C?O, O?S?O, a heterocyclic group, an aromatic group, urethane, urea, an ester group, a NR3 group, a CHR4 group, or a CR5R6 group where R3, R4, R5, and R6 are, independently, H, an alkyl group, an alkaryl group, a heterocyclic group, or an aryl group; Y comprises a bond, C, N, O, S, a branched or linear —(CH2)p— g

Abstract: Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a charge transport material having the formula where n is an integer between 2 and 6, inclusive; R1 and R2 are, independently, H, halogen, carboxyl, hydroxyl, thiol, cyano, nitro, aldehyde group, ketone group, an ether group, an ester group, a carbonyl group, an alkyl group, an alkaryl group, or an aryl group; X is a linking group having the formula —(CH2)m—, branched or linear, where m is an integer between 0 and 20, inclusive, and one or more of the methylene groups can be optionally replaced by O, S, C?O, O?S?O, urethane, urea, an ester group, a NR3 group, a CHR4 group, or a CR5R6 group where R3, R4, R5, and R6 are, independently, H, an alkyl group, an alkaryl group, a heterocyclic group, or an aryl group; Y comprises a bond, C, N, O, S, a branched or linear —(CH2)p— group where p is an integer between 0

Abstract: A method of passivation layer deposition using a cyclical deposition process is described. The cyclical deposition process may comprise alternately adsorbing a silicon-containing precursor and a reactant gas on a substrate structure. Thin film transistors, such as a bottom-gate transistor or a top-gate transistor, including a silicon-containing passivation layer, may be formed using such cyclical deposition techniques.

Abstract: An organophotoreceptor that includes: (a) a charge transport compound having the formula where n is an integer between 2 and 6, inclusive; R1 is an aryl group; R2 is a sulfolanyl group; a pyrrolyl group; a tetrazolyl group; a benzotriazolyl group; a 4-(9H-fluoren-9-ylidene)benzyl group; a stilbenyl group; an alkylsulfonylphenyl group, an arylsulfonylphenyl; or a pyrazolyl group, with the proviso that when R2 is an alkylsulfonylphenyl group or an arylsulfonylphenyl, R1 may be hydrogen, an alkyl group, or an aryl group; X is an alkylene linking group having the formula —(CH2)m—, branched or linear, where m is an integer between 0 and 20, inclusive; and Y is a bond, C, N, O, S, a branched or linear —(CH2)p— group where p is an integer between 0 and 10, an aryl group, a cycloalkyl group, a cyclosiloxyl, a heterocyclic group, or a CR7 group where R7 is H, an alkyl group, or aryl group; (b) a charge generating compound; and (c) an electrically conductive substrate.

Abstract: A method of etching a dielectric layer formed on a substrate including a sequence of processing cycles, wherein each cycle comprises steps of depositing an inactive polymeric film, activating the film to etch the structure, and removing the film is disclosed. In one embodiment, the method uses a fluorocarbon gas to form the polymeric film and a substrate bias to activate such film.

Abstract: A silicon on insulator substrate apparatus for fabricating an active-matrix liquid crystal display is described herein. The silicon on insulator substrate may include a handle substrate and a plurality of crystalline silicon donor portions bonded to the handle substrate. The crystalline silicon donor portions may be bonded to the handle substrate by providing a plurality of donor substrates and forming a separation layer within each donor substrate. The donor substrates may be arranged across a surface of the handle substrate and subsequently bonded to the handle substrate. The donor substrates may then be cleaved at their respective separation layers and removed from the handle substrate, thereby leaving a donor portion of each donor substrate attached the handle substrate.

Abstract: A substrate support and method for fabricating the same are provided. In one embodiment of the invention, a substrate support includes an electrically conductive body having a substrate support surface that is covered by an electrically insulative coating. At least a portion of the coating centered on the substrate support surface has a surface finish of between about 80 to about 200 micro-inches. In another embodiment, a substrate support includes an anodized aluminum body having a surface finish on the portion of the body adapted to support a substrate thereon of between about 80 to about 200 micro-inches.

Abstract: Charge transport compounds are described that have a multiple number of hydrazone-bridged heterocyclic groups (especially julolidine groups, carbazole groups, triarylamine groups and (N,N-disubstituted)arylamine groups such as dialkarylamine groups (e.g. dimethylphenylamine; methylethylphenylamine, dipropylphenylamine, ethylepropylphenylamine, ethylbutylnaphthylamine, etc.), alkyldiarylamine groups (e.g. methyldiphenylamino, ethyldiphenylamino, etc), and triarylamino groups (e.g., triphenyl amino, trinaphthylamino, etc)) connected by a central bridging group.

Abstract: A silicon on insulator substrate apparatus for fabricating an active-matrix liquid crystal display is described herein. The silicon on insulator substrate may include a handle substrate and a plurality of crystalline silicon donor portions bonded to the handle substrate. The crystalline silicon donor portions may be bonded to the handle substrate by providing a plurality of donor substrates and forming a separation layer within each donor substrate. The donor substrates may be arranged across a surface of the handle substrate and subsequently bonded to the handle substrate. The donor substrates may then be cleaved at their respective separation layers and removed from the handle substrate, thereby leaving a donor portion of each donor substrate attached the handle substrate.