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| Number | Title | Issue Date |
| 4036645 | Photodetectors and thin film photovoltaic arrays A photo-voltaic hetero-junction is formed by chemical conversion of surface regions of a sheet of one conductivity type into material of a second conductivity type, the areas which are not to be converted being covered by a developed photo-resist layer wh... | 07/19/1977 |
| 4035819 | Method of making a zinc sulphide ceramic body and a zinc sulphide ceramic body made thereby A method of making a zinc sulphide ceramic body having a low electrical resistance characterized by sulphurizing a starting oxide material consisting essentially of zinc oxide and from 0.01 atomic % to 6.0 atomic % of at least one oxide of a metal selecte... | 07/12/1977 |
| 4033768 | Method for the preparation of an electrostatographic photosensitive device Disclosed is a method for the preparation of a seamless belt useful as the photosensitive element in an electrostatographic copying device. The method comprises: A. applying a film or soluble material over a mandrel; B. applying a photosensitive layer over the... | 07/05/1977 |
| 4026703 | Dual-layered photoreceptor use in electrophotography An electrophotographic photoreceptor for producing an electrostatic latent image on the top layer thereof which comprises from the bottom up: A. a substrate B. a layer of metallic palladium having a thickness of from 5A to 1000A, c. a layer including vitreous selen... | 05/31/1977 |
| 4021375 | Method of fabricating polycrystalline selenium imaging devices A photoconductive target for a vidicon-type camera tube, which includes a layer of polycrystalline selenium, is exposed to a diffusion cycle wherein the temperature is gradually increased from an initial baking temperature of about 50° C. to a final baki... | 05/03/1977 |
| 4015029 | Selenium and selenium alloy evaporation technique A coating composition and method for vacuum coating inorganic photoconductive material onto a suitable substrate or backing through utilization of the compositions and irradiation heating devices.... | 03/29/1977 |
| 4013463 | Photoreceptor fabrication utilizing AC ion plating A durable photoreceptor having improved flexibility comprising a metal- or metal-coated flexible substrate and an inorganic photoconductor layer in charge blocking contact, the photoreceptor being obtained by initially bombarding the metal substrate, as a... | 03/22/1977 |
| 4011080 | Electrophotographic elements comprising polysilicic acid-crosslinked conductive polymers A method of overcoating a conductive polymer support with an aqueous-based polymer coating comprises crosslinking the conductive polymer with hydrolyzed tetraethyl orthosilicate prior to overcoating. An electrophotographic element can be prepared by coati... | 03/08/1977 |
| 4005240 | Germanium device passivation Germanium devices such as diodes, transistors and photodetectors are passivated by coating their surfaces with phosphosilicate glass. In the case of photosensitive devices the thickness of the passivating glass can be controlled to also provide antireflec... | 01/25/1977 |
| 4001099 | Photosensitive camera tube target primarily of lead monoxide A photosensitive layer comprising primarily lead monoxide is deposited on a signal electrode of a vidicon camera tube target. The deposition is carried out in an atmosphere containing oxygen and deuterium oxide. The vidicon target formed exhibits improved... | 01/04/1977 |
| 4000335 | Method of making photocathodes A method is provided for making photocathodes which uses a stainless steel igh-vacuum, or ultrahigh vacuum, manifold fitted with side-tubulations and appertenances, and having interior surfaces that are coated or plated with a noble metal or semi-noble met... | 12/28/1976 |
| 3993800 | Mounting technique for thin film Schottky barrier photodiodes A method of mounting thin film photodiodes to a cryogenic cold finger in ch the photodiode uses opaque metal Schottky barrier contacts to form the active regions of the photodiode. The method comprises laying a mirrored surface on one side of a radiation... | 11/23/1976 |
| 3993533 | Method for making semiconductors for solar cells The invention relates to a method for producing a desired thin semiconductor film for use in solar cells. The desired semiconductor is grown epitaxially on a second semiconductor film which may be epitaxial on a third semiconductor. The second semiconduct... | 11/23/1976 |
| 3991256 | Preparing electrostatographic printing sheet, article thereof and article coated with quaternary ammonium electroconductive resin An improved electroconductive resin composition is obtained by using a water-dispersible, film-forming acrylamide polymer as a binder and extender for a water-soluble quaternary ammonium electroconductive resin. Particularly useful is a self-binding blend... | 11/09/1976 |
| 3987781 | Greenhouse window for solar heat absorbing systems derived from Cd2 SnO4 Cadmium stannate has been found to be useful as a window for solar heat absorbing systems in which advantage is taken of the unique optical properties of cadmium stannate. When cadmium stannate is in an electrically conductive state, having a conductivity... | 10/26/1976 |
| 3985918 | Method for manufacturing a target for an image pickup tube A target for an image pickup tube having high sensitivity, low dark current and low amount of lag-image is manufactured by forming a hetero-junction by the evaporation process. A first layer of ZnSx Se1.sub.-x or Znu Cd | 10/12/1976 |
| 3978268 | Electroconductive elastic sponge member An electrophotographic copying machine of the image transfer type includes a roller for pressing the copy image receiving substrate into virtual contact with the electrostatic image carrying drum. The roller includes a metal shaft and an outer layer forme... | 08/31/1976 |
| 3976812 | Photoconductive cells 1. A method of forming a photosensitive layer of lead sulfide crystals which comprises precipitating the crystals onto a seeded glass support by adding a solution of allyl-thiourea to an alkaline solution of a copper nitrate and a lead nitrate having a co... | 08/24/1976 |
| 3975211 | Solar cells and method for making same Solar cell elements are produced in accordance with the present invention in which a Cu2 S thin film is epitaxially formed on a CdS film by vacuum deposition in a heterojunction forming relationship. By a first method a Cu2 S layer o... | 08/17/1976 |
| 3968360 | High resolution photoconductive array and process for fabricating same Disclosed is a novel photoconductive array suitable for use as an infrared detector, and a novel process for fabricating same. In this process, a chosen metallization pattern is disposited on the surface of an insulating substrate, and thereafter the meta... | 07/06/1976 |
| 3968271 | Coating apparatus and uses thereof A coating apparatus in which a coating material is passed from an internal reservoir through a narrow orifice to a surface to be coated. At the end of the orifice the apparatus has two surfaces which are adjacent the surface to be coated, one of which is ... | 07/06/1976 |
| 3966470 | Photo-conductive coating containing Ge, S, and Pb or Sn As a photoconductive material there is provided a carrier having a coating thereon of a germanium-sulphur-lead alloy or a germanium-sulphur-tin alloy.... | 06/29/1976 |
| 3962778 | Photodetector array and method of manufacturing same Disclosed is a thin film photodetector array of resistance-variable light detectors and a method for manufacturing such an array. Electronic read-out circuitry is normally associated therewith.... | 06/15/1976 |
| 3956526 | Method of making a photoconductive layer for an image converting panel A photoconductive layer having superior characteristics is made by steps of suspending uniformly photoconductive particles in a viscous solution by stirring, pouring the stirred mixture of the photoconductive particles, binder and solvent on a substrate w... | 05/11/1976 |
| 3944682 | Method of providing an electrophotographic coating and compositions for the method A method of forming an electrophotographic coating which includes preparing a mixture which comprises finely divided photoconductive material dispersed in an organic resin binder. The resin, which exhibits an acid value of at least 3, or a hydroxyl value ... | 03/16/1976 |
