Matches 251 - 300 out of 305 < 1 2 3 4 5 6 7 >
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4409308 Photoconductive member with two amorphous silicon layers  
A photoconductive member comprises a support, a photoconductive layer constituted of an amorphous material containing silicon atoms as matrix and containing hydrogen atoms or halogen atoms, and an...
4407918 Electrophotographic process and apparatus for making plural copies from a single image  
A photosensitive member is formed by applying on an electrically conductive substrate, a first photoconductive layer sensitive to a visible light, an insulating charge retentive layer, and a second...
4403026 Photoconductive member having an electrically insulating oxide layer  
A photoconductive member comprises a support, a photoconductive layer constituted of an amorphous material containing hydrogen atoms or halogen atoms in a matrix of silicon atoms, and an...
4394426 Photoconductive member with α-Si(N) barrier layer  
A photoconductive member comprise a support, a photoconductive layer constituted of an amorphous material containing silicon atoms as matrix and containing hydrogen atoms or halogen atoms, and an...
4389476 Barrier coat for electrostatic master  
A method for the preparation of electrostatic masters, and product prepared thereby, said masters having improved water and pick resistance for lithographic printing. The method comprises applying...
4377629 Layered charge carrier member and method of forming image using same  
A charge carrier member comprising an intermediate layer composed of a heat-resistant resin containing electrically conductive material, a charge carrier layer composed of a heat-resistant resin,...
4359512 Layered photoconductive member having barrier of silicon and halogen  
Disclosed is a panchromatic photoconductive element for electrophotography having a layered structure comprising a substrate, a barrier layer and a photoconductive layer. The barrier layer inhibits...
4359514 Photoconductive member having barrier and depletion layers  
A photoconductive member which is stable in its electrical and optical characteristics, not influenced by circumstances for its use, and possesses extremely high sensitivity to light, remarkably...
4349617 Function separated type electrophotographic light-sensitive members and process for production thereof  
A function separated type electrophotographic light-sensitive member and a process for production thereof are described, said member comprising an electrically conductive support, a light-sensitive...
4349391 Process for preserving planographic printing forms  
This invention relates to an improved process for preserving a planographic printing form which is ready for printing. In the process, the planographic printing form is treated with an aqueous...
4340659 Electrostatic masters  
An electrostatic master having improved water, cockle and pick resistance for lithographic printing, and method for making the same, comprising a base, a barrier coat applied to said base, and a...
4340658 Laminated ZnO photosensitive material  
Disclosed is a laminated photosensitive material for electrophotography, which comprises a conductive substrate, an undercoat layer formed of a composition comprising a resin binder having no...
4324622 Multilayered electroplatographic element comprising ion conductive and electrochromic layers  
Electrophotographic element typically comprising in sandwiched arrangement a transition metal oxide layer and a photoconductive layer. When an electric field is applied across the element,...
4315063 Electrophotographic photosensitive member having a halogen containing charge injection layer  
An electrophotographic photosensitive member comprising an electric charge injection layer, an amorphous photoconductive layer on said charge injection layer, and an insulating layer on said...
4304626 Method for making water and solvent resistant paper  
The present invention resides broadly in a method for the preparation of paper having improved water and/or solvent resistance which comprises applying to a base paper a plastic particle containing...
4293629 Electrostatic master and method for making the same  
The present invention resides broadly in a method for the preparation of paper having improved water and/or solvent resistance which comprises applying to a base paper a plastic particle containing...
4289822 Light-sensitive film  
A photoconductive material comprising an amorphous substance whose indispensable constituent elements are silicon, carbon and hydrogen is disclosed. The photoconductive material preferably has a...
4281054 Overcoated photoreceptor containing injecting contact  
An imaging member which is comprised of a substrate, an injecting contact, or hole injecting electrode overlaying the substrate, a charge transport layer comprised of an electrically inactive...
4259424 Heat-developable photosensitive material  
An improved heat-developable photosensitive material is disclosed which comprises an infrared rays-absorbing layer provided in contact with or adjacent to a layer comprising a reducible organic...
4255505 Electrophotographic process using layered element containing p-type or n-type materials, with multiple charging steps and blanket irradiation  
An electrophotographic photosensitive member comprises a base, a photoconductive layer and an insulating layer, and the photoconductive layer contains an intermediate layer formed at the base side...
4123267 Photoconductive element having a barrier layer of aluminum hydroxyoxide  
A photoconductive element consisting essentially of an electrically conductive substrate, a barrier layer of aluminum hydroxyoxide crystallites on said substrate and a continuous photoconductive...
4091145 Support for electrophotographic sensitive plate  
A support for use in electrophotographic sensitive plates which is superior in durability as well as half-tone reproducibility as photosensitive material and is prepared by forming a barrier layer...
4046562 Electrophotographic recording material and its method of manufacture  
An electrophotographic recording material comprises a photoconductive layer of selenium, selenium compounds, or alloys with selenium, a conductive and flexible substrate, and an intermediate layer...
3963498 Silver halide element containing an organic semiconductor  
The amine salts of linear polyaniline compounds, including substituted polyaniline compounds, are useful, semiconductors. These materials are generally soluble in popular organic solvents and have...
3928034 Electron transport layer over an inorganic photoconductive layer  
An electrophotographic plate comprising two adjacent layers, one of which is a photoconductive layer capable of photogenerating and injecting electrons into the other contiguous layer, which is an...
3921191 Photoresponsive junction device having an active layer of altered conductivity glass  
The conductivity of a body of ionically impermeable glassy amorphous material is controllably altered by driving or diffusing suitable impurities into the body of material. Impurities are driven...
3914126 Nickel oxide interlayers for photoconductive elements  
A process for applying a photoconductive layer to a flexible nickel or nickel-coated substrate by initially subjecting a nickel sheet or belt to an acid etching bath followed by anodizing treatment...
3907650 Photosensitive binder layer for xerography  
A process for applying a photoconductive layer to a flexible nickel or nickel-coated substrate by initially subjecting a nickel sheet or belt to an acid etching bath followed by anodizing treatment...
3888665 Electrophotographic recording material with quinacridones  
This invention relates to an electrophotographic recording material consisting of an electroconductive support material and a photoconductive double layer of organic materials which consists of a...
3871882 ELECTROPHOTOGRAPHIC RECORDING MATERIAL  
This invention relates to an electrophotographic recording material consisting of an electroconductive support material and a photoconductive double layer of organic materials which consists of a...
3864720 LIGHT EMITTING JUNCTION DEVICE EMPLOYING A GLASSY AMORPHOUS MATERIAL AS AN ACTIVE LAYER  
A semiconductive junction device comprises a thin layer of a glassy amorphous material exhibiting one type of conductivity (either N or P) disposed upon a semiconductive substrate possessing the...
3864717 PHOTORESPONSIVE JUNCTION DEVICE EMPLOYING A GLASSY AMORPHOUS MATERIAL AS AN ACTIVE LAYER  
A semi conductive junction device comprises a thin layer of a glassy amorphous material exhibiting one type of conductivity (either N or P) disposed upon a semiconductive substrate possessing the...
3856548 STRIPPABLE OVERCOATING FOR IMPROVED XEROGRAPHIC PLATES  
A method of making a photoreceptor member which comprises: vacuum depositing a layer of photoconductive material onto a supporting substrate; forming a strippable organic overcoating over said...
3816288 GLOW DISCHARGE TECHNIQUE FOR THE PREPARATION OF ELECTROPHOTOGRAPHIC PLATES  
A method of preparing an electrophotographic plate having a metallic oxide coating interface is disclosed. The preparation of the plate involves subjecting a metallic substrate to a glow discharge...
3791826 ELECTROPHOTOGRAPHIC PLATE  
An electrophotographic plate comprising in successive layers: (a) a conductive substrate, (b) a barrier layer, (3) an inorganic charge generating layer at least 0.15 microns thick, and (d) an...
3652270 RECORDING DEVICES  
A recording device comprising in series a first electrode, a layer containing a dispersed mixture of at least a semiconductor and an electrical insulator having one side contacting said electrode,...
3615405 COMPOSITE IMAGE PLATE  
An electrographic recording surface is provided by forming a porous metal oxide coating on a conductive substrate and then completely impregnating the oxide coating with an electrographic imaging...
3508918 XEROGRAPHIC PLATE CONTAINING ALUMINUM SELENIDE BARRIER LAYER  
3440045 ELECTROPHOTOGRAPHIC PROCESS FOR THE MANUFACTURE OF A HIGHLY HEAT-RESISTANT IMAGE  
3406060 Electrophotographic process  
3398021 Method of making thin film field sustained conductivity device  
3393070 Xerographic plate with electric field regulating layer  
3350610 Electric charge storage elements  
3312547 Xerographic plate and processes of making and using same  
3307089 Semiconductor device showing the effect of storing charges of single polarity  
3243293 Plate for electrostatic electro-photography  
3210184 Planographic printing plates having a bohmite oxide interlayer and process for producing same  
3148057 Material for electrophotographic purposes  
2901348 Radiation sensitive photoconductive member  
2809294 Xeroradiographic plates or elements  
Matches 251 - 300 out of 305 < 1 2 3 4 5 6 7 >