| Patents for H01J 9 - Apparatus or processes specially adapted for the manufacture of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps (34,795) |
|---|
| 12/01/1981 | US4303466 Televisions |
| 12/01/1981 | US4303290 Method of evacuating a fluorescent lamp bulb |
| 12/01/1981 | CA1113610A1 Methods of generating correction factor signals for cathode ray tubes |
| 11/25/1981 | EP0040499A1 Polycrystalline translucent alumina sintered body, a method of producing the same, and a high pressure vapour discharge lamp obtained by using such a sintered body |
| 11/24/1981 | US4302706 Glass-to-glass sealing method with conductive layer |
| 11/24/1981 | US4302702 Thermionic cathode having an embedded grid, process for its fabrication, and high frequency electron tubes using such a cathode |
| 11/24/1981 | US4302309 Electrophoretic coating of emissive layer |
| 11/18/1981 | EP0039906A2 Aperture mask for a color television tube, color television tube comprising such a mask and method for obtaining the mask |
| 11/18/1981 | EP0039871A1 Two-dimensional display device with an electrically controlled fluid layer, and method of making the same |
| 11/17/1981 | US4301041 Glass frit and graphite particles paintable as bridge and hardened by baking |
| 11/10/1981 | US4300069 Color picture tube having improved slit type shadow mask and method of making same |
| 11/10/1981 | US4299016 Cathode ray tube neck cleansing-scavenging means and method |
| 11/04/1981 | EP0039276A1 Method for winding several turns of wire on a case, in particular for the winding of deviation rings for cathode ray tubes, machine for carrying out the method and winding obtained by the method |
| 11/03/1981 | CA1111719A1 Automatic spray coating machine |
| 11/03/1981 | CA1111698A1 Crt screen structure produced by photographic method |
| 10/28/1981 | EP0038742A1 Manufacturing method for an integrated grid impregnated cathode, cathode obtained using this method and electron tube comprising such a cathode |
| 10/27/1981 | US4297390 Oxidation of pyrite layer produced in an aqueous suspension from a polysulfide solution and a ferrous compound |
| 10/20/1981 | US4296189 Exposure of metal sheet through photomaster having aperture images with greater end width |
| 10/20/1981 | US4295923 Method of manufacturing a semiconductor/glass composite material |
| 10/14/1981 | EP0037766A1 Convergence analysis process of cathode ray tubes having three in-line guns and measuring device implenting this process |
| 10/14/1981 | EP0037551A1 Method and apparatus for etching a metallic sheet |
| 10/13/1981 | EP0030554A4 Flat-panel display and method of manufacture. |
| 10/06/1981 | US4293594 Method for forming conductive, transparent coating on a substrate |
| 10/06/1981 | US4293586 Method for forming a fluorescent screen |
| 10/06/1981 | US4293376 Etch resistant coating, hydrofluoric acid |
| 10/06/1981 | CA1110321A1 Method of manufacturing cathode assembly |
| 10/06/1981 | CA1110320A1 Spiked low-voltage aging of cathode-ray tubes |
| 10/06/1981 | CA1110280A1 Sealing of ceramic and cermet parts |
| 09/30/1981 | EP0036779A2 Photoelectric conversion device and method of producing the same |
| 09/30/1981 | EP0036681A1 Method of manufacturing a colour television display tube having a gas-absorbing layer; colour television display tube thus manufactured, and gettering device suitable for such a method |
| 09/29/1981 | US4292672 Inspection system for detecting defects in regular patterns |
| 09/29/1981 | CA1109677A1 Erosion lithography and nozzle |
| 09/22/1981 | US4291256 Alignment or correction of energy beam type displays |
| 09/22/1981 | US4291250 Coating end cap with a refractory metal silicide and a alumina and calcia glassy sealing frit |
| 09/22/1981 | US4291068 Method of making semiconductor photodetector with reduced time-constant |
| 09/15/1981 | US4289799 For converting an electron image to a visible image |
| 09/15/1981 | US4289364 Plasma display panel flexible circuit connection |
| 09/08/1981 | US4288512 Method of manufacturing luminescent screens for color picture tubes |
| 09/08/1981 | CA1108786A1 Integrated display device |
| 09/01/1981 | US4286833 Method and apparatus to fabricate image intensifier tubes |
| 08/25/1981 | US4286164 Method for determining the average width of luminescent stripes of a viewing screen |
| 08/25/1981 | US4285106 Method for producing color cathode ray tube aperture masks |
| 08/20/1981 | WO1981002364A1 Direct heating grid cathode for electron beam tubes and method of making it |
| 08/19/1981 | EP0034056A1 Method of producing a ceramic arc tube of a metal vapour discharge lamp and ceramic arc tube thereby produced |
| 08/18/1981 | US4284695 Method of manufacturing luminescent screens for color-picture tubes with two exposures |
| 08/18/1981 | US4284694 Method for improving the adherence of a phosphor-photobinder layer to a glass support |
| 08/18/1981 | US4284662 Method of manufacturing color picture tubes |
| 08/18/1981 | US4284661 Applying dielectric to prevent luminescence |
| 08/11/1981 | US4283632 Electron beam aperture device |
| 08/04/1981 | US4282456 Faceplate for an electrostatic printing tube and method of making same |
| 08/04/1981 | US4282395 High melting point glass-to-metal seal and melt connection, particularly for tungsten supply wires for high-pressure discharge lamps |
| 07/28/1981 | US4281270 Precoated resistive lens structure for electron gun and method of fabrication |
| 07/21/1981 | CA1105545A1 Vacuum fluorescent display having uniform character brightness |
| 07/14/1981 | US4278912 Electric discharge tube having a glass-sealed electric leadthrough and method of manufacturing such an electric leadthrough |
| 07/14/1981 | US4278908 Heating of dosing capsule |
| 07/09/1981 | WO1981001910A1 Fusible spacer for plasma display panel |
| 07/07/1981 | US4277515 Targets for use in photoconductive image pickup tubes |
| 07/07/1981 | CA1104631A1 Multilayered deflection yoke |
| 07/01/1981 | EP0031124A1 Process to improve the processibility of phosphors in screening processes |
| 07/01/1981 | EP0031095A2 Process for producing a double layer with hetero-junction for the memory electrode of an image registration device |
| 06/30/1981 | US4276363 Process for forming phosphor screens with treated phosphors |
| 06/30/1981 | US4276335 Electron beam matrix deflector and method of fabrication |
| 06/30/1981 | US4276127 Anodizing, aluminum plates, oxalic acid |
| 06/30/1981 | CA1103974A1 Method for making etch-resistant stencil with dichromate-sensitized casein coating |
| 06/25/1981 | WO1981001771A1 Repair of open circuited gas discharge display panel conductors |
| 06/24/1981 | EP0030704A2 Magnetizing device for the convergence assembly of in-line colour picture tubes |
| 06/24/1981 | EP0030554A1 Flat-panel display and method of manufacture. |
| 06/23/1981 | US4275347 Precision cathode current regulator |
| 06/23/1981 | US4275331 Fluorescent lamp unit |
| 06/23/1981 | US4275326 Image intensifier tube with a light-absorbing electron-permeable layer |
| 06/23/1981 | US4275123 In wire or sheet form |
| 06/16/1981 | US4273842 Process for forming patternwise coated powder layer |
| 06/16/1981 | US4273561 Ultrasharp polycrystalline diamond edges, points, and improved diamond composites, and methods of making and irradiating same |
| 06/16/1981 | US4273398 Method and apparatus for manufacturing gas-filled tubes and the like |
| 06/16/1981 | CA1103000A1 Polycrystalline translucent alumina having an excellent in-line transmission, a method for producing said alumina and a high pressure vapor discharge lamp obtained by using said alumina |
| 06/09/1981 | USRE30643 Method of aluminizing the inside of the panel of a television picture tube |
| 06/09/1981 | US4272782 Method of and apparatus for adjusting an image intensifier chain |
| 06/09/1981 | US4272727 Self-converging deflection units for color display tubes of different screen formats |
| 06/09/1981 | US4272699 Electron impact ion source with field emission cathode |
| 06/09/1981 | US4272612 Using an elongated nozzle and scanning for uniform abrasion |
| 06/09/1981 | US4271571 Process for manufacturing shadow mask of Braun tube for color TV |
| 06/02/1981 | US4271345 Induction heating coil |
| 06/02/1981 | US4271247 Color picture tube with screen having light absorbing areas |
| 06/02/1981 | US4270823 Method of forming conductors in slots in a plate |
| 06/02/1981 | CA1102404A1 Method of determining variations in the previously adjusted nominal distance between the facing surfaces of a colour selection electrode and a display window of a colour television display tube, and device for carrying out the method |
| 05/26/1981 | US4269918 Photodegradation of a thin layer of a photosensitive aromatic diazonium salt causing tackiness; dusting; fixing; cathode ray tubes |
| 05/26/1981 | US4269616 Temperature insensitive filter for kinescope envelopes |
| 05/26/1981 | CA1101915A1 Colour display tube with light-absorbing matrix |
| 05/20/1981 | EP0028954A1 Thermionic cathode, process for manufacturing it and electron tube incorporating such a cathode |
| 05/19/1981 | US4268712 Electron display tubes |
| 05/19/1981 | US4268594 Cathode ray tubes, multilayer filters |
| 05/19/1981 | US4267624 Method of placing mask mounting pins in a CRT faceplate |
| 05/19/1981 | CA1101479A1 Electron tube cathode and method for producing the same |
| 05/12/1981 | US4267204 By forming a pattern of stripes of a light-absorbing material over which phosphors are applied |
| 05/12/1981 | US4266334 By etching the substrate, and glueing a sheet of glass thereto |
| 05/12/1981 | CA1101037A1 Deflection unit for an in-line colour cathode-ray tube |
| 05/05/1981 | US4265652 Apparatus for producing braun tubes |
| 04/29/1981 | EP0027673A1 Process for preparing shaped bodies or layers of inorganic materials |
| 04/28/1981 | US4264408 Methods for applying phosphors particularly adapted for intagliated phosphor screens |
| 04/28/1981 | US4264280 For use in electron tubes |