| 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) |
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| 07/16/1991 | US5032762 Protective beryllium oxide coating for high-intensity discharge lamps |
| 07/16/1991 | US5032423 Magnetic field |
| 07/16/1991 | US5032420 Method of applying cadium-free incandescent lamp powder coating |
| 07/16/1991 | US5032097 Apparatus for assembling an electron emissive part of a cathode |
| 07/11/1991 | WO1991010252A1 Field emitter structure and fabrication process |
| 07/11/1991 | CA2033601A1 Discharge tube and method of manufacturing same |
| 07/10/1991 | CN1013106B Machine of the applying material on a plane surface and a level |
| 07/09/1991 | US5030879 Thin metal support base containing electron emitter |
| 07/09/1991 | US5030154 Method of mounting tensed CRT mask |
| 07/03/1991 | EP0435722A1 Method and device for forming a sheet metal blank in particular for producing a mask for a cathode ray tube |
| 07/03/1991 | CN1052748A Permatron catelectrode device and making technology |
| 07/02/1991 | US5029247 X-ray image intensifier and method of manufacturing input screen |
| 07/02/1991 | US5028849 Device for measuring convergence of color cathode ray tube |
| 07/02/1991 | US5028842 Device for chromatic conversion of an image obtained by electromagnetic radiation and manufacturing process thereof |
| 07/02/1991 | US5028838 Grid assemblies for use in cathode ray tubes |
| 07/02/1991 | US5028501 Method of manufacturing a luminescent screen assembly using a dry-powdered filming material |
| 07/02/1991 | CA1285599C Fluorescent lamp with silica layer |
| 07/02/1991 | CA1285504C Method and apparatus for disposing of fluorescent tubes |
| 06/27/1991 | WO1991009418A1 Electrode feedthrough connection strap for arc discharge lamp |
| 06/27/1991 | WO1991009417A1 Electrode feedthrough tube for arc discharge lamp |
| 06/27/1991 | WO1991009416A1 Electrode-to-feedthrough tube crimp for arc discharge lamp |
| 06/26/1991 | EP0434330A2 Field emission device and process for producing the same |
| 06/26/1991 | EP0434157A2 Method of manufacturing of a brightness intensifier tube comprising seals |
| 06/26/1991 | EP0434001A2 Electron emission device and method of manufacturing the same |
| 06/26/1991 | CN1052569A Apparatus for liquid material coating panel for color crt |
| 06/26/1991 | CN1013011B Process for flushing and filling low-pressure gas discharge lamp |
| 06/25/1991 | US5026312 Method of manufacturing a shadow mask, shadow mask manufactured according to such a method, and color display tube comprising such a shadow mask |
| 06/25/1991 | US5026311 Arc tube fabrication process |
| 06/19/1991 | EP0432665A2 Improved image registration method and apparatus |
| 06/19/1991 | CN1052394A Surface display optical pen terminal |
| 06/19/1991 | CA2032456A1 Blank forming process and apparatus, namely for producing a cathode tube mask, and mask so produced |
| 06/18/1991 | US5025166 Phosphor screen |
| 06/12/1991 | EP0431657A1 Display device and methods of manufacturing such a display device |
| 06/12/1991 | CN1052217A Method of forming shrink fit implosion protection band |
| 06/12/1991 | CN1052216A Manufacturing method for phosphor screen of color cathode ray tube |
| 06/11/1991 | US5023507 Faceplate assembly |
| 06/11/1991 | US5023157 Method for the illumination of a color television mask tube screen, and device for implementation thereof |
| 06/11/1991 | US5022883 Method of making a long life high current density cathode from aluminum oxide and tungsten oxide powders |
| 06/11/1991 | US5022882 Decomposition of sodium-containing component within tube; alloy of oxygen absorbing getter to prevent reformation of component |
| 06/05/1991 | EP0429690A1 Process for the disposal and/or recycling of fluorescent lamps and glass cylinders |
| 06/05/1991 | CN1012773B X-ray image tubes and manufacturing method thereof |
| 06/04/1991 | US5021741 Cast charged particle drift tube |
| 06/04/1991 | US5021709 Supporting structure for an electron gun heater |
| 06/04/1991 | US5021705 Method of fabricating an image pick-up tube and target section used therewith |
| 05/30/1991 | WO1991007771A1 Cold cathode field emission device having an electrode in an encapsulating layer |
| 05/29/1991 | CN1051820A Scandate cathode |
| 05/29/1991 | CN1012685B Method for forming black oxidized film on the surface of a sheet metal |
| 05/28/1991 | US5020116 Image registration method and apparatus |
| 05/28/1991 | US5019005 Method for the fabrication of a direct-heated cathode structure and an apparatus therefor |
| 05/28/1991 | US5019004 Method of manufacturing cathode ray tubes with binary coded faceplates |
| 05/28/1991 | US5019003 Field emission device having preformed emitters |
| 05/22/1991 | EP0428206A1 Scandate cathode |
| 05/21/1991 | US5017830 Color cathode ray tube having a shadow mask covered with a porous layer |
| 05/21/1991 | US5017827 Compactly built electron tube and fabrication method thereof |
| 05/21/1991 | US5017419 Non-moire shielded window |
| 05/21/1991 | US5017170 Brazing method for mounting a tension shadow mask |
| 05/16/1991 | DE3937418A1 Finely structured plastic film recess printing plate prodn. - used for transfer printing matrix onto flat display panel |
| 05/15/1991 | EP0427270A2 Method for fabricating a cathode ray tube |
| 05/15/1991 | EP0427050A1 Process of manufacturing a phosphor film |
| 05/15/1991 | EP0427049A1 Process of deposition of phosphor film |
| 05/15/1991 | CN1051458A Mfg. method for phosphor screen of color cathode ray tube |
| 05/15/1991 | CN1051457A Attaching-detaching device for shadow mask frame assembly of cathode ray tube |
| 05/15/1991 | CN1051456A Cleaning device for sealing portion of panel of color picture tube |
| 05/14/1991 | US5015909 Glass composition and method for manufacturing a high performance microchannel plate |
| 05/14/1991 | US5015908 Fast warm-up cathode for high power vacuum tubes |
| 05/14/1991 | US5015497 Cathode for electron tube and manufacturing method thereof |
| 05/08/1991 | EP0426240A1 display tube |
| 05/08/1991 | EP0426237A2 Procedure for detecting television picture tubes with insufficient vacuum |
| 05/08/1991 | CN1051269A Method of making color picture tube electron gun with reduced convergence drift |
| 05/07/1991 | US5013965 Electron gun cathode and manufacturing method therefor |
| 05/07/1991 | US5013964 Method of manufacturing a saddle-shaped deflection coil for a picture display tube and display tube comprising a deflection system using saddle-shaped deflection coils |
| 05/07/1991 | US5013275 Continuous laser beam FTM mounting for CRT |
| 05/07/1991 | US5013274 Process for restoring locally damaged parts, particularly anticathodes |
| 05/02/1991 | WO1991006114A1 An apparatus and method for manufacturing a screen assembly for a crt utilizing a grid-developing electrode |
| 05/02/1991 | EP0425206A2 Method of making a colour picture tube electron gun with reduced convergence drift |
| 05/02/1991 | DE3933679A1 Passivating rare earth oxy:halide phosphor - by treating with aq. boric acid soln. |
| 04/30/1991 | US5012194 Method testing electron discharge tubes |
| 04/30/1991 | US5012155 Surface treatment of phosphor particles and method for a CRT screen |
| 04/30/1991 | US5011532 Spun sugar fiber as aids for dispersing oils into water to form colloids |
| 04/30/1991 | US5011443 Cleaning of flat glass CRT faceplate with internal anti-glare surface |
| 04/30/1991 | US5011391 Method of manufacturing gas discharge display device |
| 04/24/1991 | EP0423790A2 Phosphors, method for treating the surface thereof and process for producing a phosphor screen |
| 04/24/1991 | EP0423164A1 Method of manufacturing a control subassembly for flat display devices. |
| 04/24/1991 | CN1050948A Apparatus and method for manufacturing screen assembly for crt utiliying grid-developing electron |
| 04/24/1991 | CN1050947A Apparatus for processing cathods ray tube panel |
| 04/23/1991 | US5010249 Diamond probe and forming method thereof |
| 04/23/1991 | US5009972 Blank plates for forming multi-color fluorescent planes and methods for forming multi-color fluorescent planes |
| 04/23/1991 | US5009930 Method for forming a deposited layer on a skirted substrate |
| 04/18/1991 | WO1991005363A1 Flat panel display using field emission devices |
| 04/18/1991 | WO1991005361A1 Field emission device having preformed emitters |
| 04/17/1991 | EP0422860A2 Improvements in or relating to illuminating arrangements |
| 04/17/1991 | EP0422614A2 Aperture pattern-printing plate for shadow mask and method for manufacturing the same |
| 04/17/1991 | EP0422525A2 Exposing method and apparatus |
| 04/17/1991 | CN2075385U Plug for simulating teletron |
| 04/17/1991 | CN1050790A Method for manufacturing correction mask for image intensifier tube |
| 04/16/1991 | US5008589 Electron gun and method for manufacturing the same |
| 04/16/1991 | US5007874 Method of making a cathode from tungsten and iridium powders using a reaction product from reacting a group III A metal with barium peroxide as an impregnant |
| 04/16/1991 | US5007873 Non-planar field emission device having an emitter formed with a substantially normal vapor deposition process |
| 04/16/1991 | CA1283160C Cathode ray tube implosion protection system |
| 04/16/1991 | CA1282990C Method for screening line screen slit mask color picture tubes |