| 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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| 03/13/1990 | US4908232 Applying film forming solution comprising solvent and silicon alcoholate to surface of cathode ray screen, rotating, drying to form silicon dioxide |
| 03/13/1990 | US4908055 Method of manufacturing thereof fluorescent lamp |
| 03/13/1990 | US4907999 Device for holding a substantially parallelepiped shaped part in position |
| 03/13/1990 | US4907998 A resiliently deformable container for mercury, and lamp and method of its manufacture using such a container |
| 03/13/1990 | US4907477 Apparatus for removing base of broken lamp from a socket |
| 03/07/1990 | EP0357256A1 Color cathode-ray tube |
| 03/07/1990 | CN1007102B Welding technique for quartz and copper in xenon lamp with big power |
| 03/07/1990 | CN1007101B Method for producing semitransparent polycrystalline arc-tube of aluminium oxide |
| 03/06/1990 | US4906959 Method of dividing a sintered oxidic ferromagnetic ring core and a deflection unit |
| 03/06/1990 | US4906893 X-ray image intensifier and method of manufacturing the same |
| 03/06/1990 | US4906892 High luminance color screen for cathode ray tube and method for making a screen of this type |
| 03/01/1990 | DE3919490A1 High pressure discharge valve without evacuation tube - uses tube-shaped electrode which projects through end-plug as cold storage chamber for metal additives |
| 02/28/1990 | EP0356229A1 Method for preparing improved lithium-silicate glare-reducing coating for a cathode-ray tube |
| 02/28/1990 | EP0355893A1 Method of manufacturing a colour display tube |
| 02/28/1990 | EP0355124A1 Process and apparatus for the manufacture of cathode ray tubes having tension masks. |
| 02/27/1990 | US4904899 Projection cathode ray tube |
| 02/27/1990 | US4904897 Oxide cathode |
| 02/27/1990 | US4904555 Photosensitive composition for making repeatably tonable layers |
| 02/27/1990 | US4904218 Color cathode ray tube |
| 02/27/1990 | US4904217 Vacuum tube including an electron-optical system |
| 02/21/1990 | CN1039929A Winding structure design of color picture tube scanning yoke |
| 02/20/1990 | US4902329 Method of using external system for locating the geometric center of an internal lens element |
| 02/20/1990 | US4902258 Robotic assembly system |
| 02/20/1990 | US4902023 Vacuum sealing gasket |
| 02/20/1990 | US4901606 Apparatus for inserting and extracting light bulbs |
| 02/20/1990 | CA1266081A1 Multibeam electron gun having a transition member and method for assembling the electron gun |
| 02/14/1990 | EP0354617A1 Method of manufacturing a colour display tube and a colour display tube |
| 02/14/1990 | CN1006832B Method for screening line screen slit mask colour picture tubes |
| 02/13/1990 | US4900980 Color display tube |
| 02/13/1990 | US4900976 For color cathode ray tubes; nickel, molybdenum, iron alloys |
| 02/13/1990 | US4900285 Method of manufacturing a dispenser cathode; dispenser cathode manufactured according to the method, and device incorporating such a cathode |
| 02/08/1990 | WO1990001212A1 Method and apparatus of assuring interchangeability of shadow masks and front panels in the manufacture of color cathode ray tubes |
| 02/06/1990 | US4899025 Heating apparatus comprising at least two independent inductors |
| 02/06/1990 | US4898559 Machines for the implantation of cathodes in cathode-ray tube guns |
| 02/06/1990 | US4898557 Process for preparing extraction grids |
| 02/06/1990 | US4898556 Electron gun integral beam correctors and method |
| 02/06/1990 | US4898554 Method of and equipment for ageing a low-pressure hot-cathode discharge light source, particularly a fluorescent lamp |
| 02/06/1990 | CA1265573A1 Method for laminating a safety panel to a crt and the product thereof |
| 02/06/1990 | CA1265329A1 Method of manufacturing a scandate dispenser cathode and dispenser cathode manufactured by means of the method |
| 02/01/1990 | DE3825846A1 Method and device for marking picture tube (television tube) parts |
| 01/31/1990 | CN1039323A High-efficient energy-saving coating technology for powder layer of fluorescent lamp |
| 01/30/1990 | US4897371 Cathode ray tubes |
| 01/25/1990 | WO1990000808A1 Field emission cathode based flat panel display having polyimide spacers |
| 01/24/1990 | EP0352152A1 Method of manufacturing a scintillator, and scintillator so obtained |
| 01/24/1990 | EP0351945A2 External system for locating the geometric center of an internal lens element |
| 01/24/1990 | EP0351444A1 Method for making self-aligned apertures |
| 01/24/1990 | CN1039147A Method for spot-knocking electron gun mount assembly of crt utiliging magnetic field |
| 01/24/1990 | CN1039146A Method for spot-knocking electron gun mount assembly of crt |
| 01/24/1990 | CN1039145A Prepartion process of amalgam for fluorescent lamp |
| 01/23/1990 | US4896074 Process for marking a glass object and article |
| 01/23/1990 | US4896071 Method and device for setting the static convergence and/or purity of a color television tube |
| 01/23/1990 | US4895699 Long life, high current density, barium tungstate(ba3wo6) |
| 01/17/1990 | EP0351110A1 Method of manifacturing a cold cathode, field emission device and a field emission device manufactured by the method |
| 01/17/1990 | EP0350539A1 Electron beam micro structure formation |
| 01/17/1990 | CN1006508B Solid-state image pick-up device with uniform distribution of dopant therein and production method therefor |
| 01/16/1990 | US4894611 System for measuring characteristics of electron emitting sources |
| 01/16/1990 | US4894593 Method of correcting electron beam misconvergence in a color display tube and a color display tube system |
| 01/16/1990 | US4894257 Vapor deposition, impregnation with barium, strontium aluminum oxide |
| 01/16/1990 | US4894037 Factory fixture frame with means for temporarily and removably supporting an in-process tension mask for a color cathode ray tube |
| 01/11/1990 | WO1990000306A1 Method of manufacturing a control subassembly for flat display devices |
| 01/10/1990 | EP0350378A1 Electronic micro component self-sealed under vacuum, especially a diode or triode, and its manufacturing process |
| 01/10/1990 | EP0350359A1 Method for making an X-ray image intensifier tube, image intensifier tube so obtained |
| 01/10/1990 | EP0223096B1 Process for applying a matrix |
| 01/09/1990 | US4893020 X-ray fluorescent image intensifier |
| 01/09/1990 | US4892498 Process for vacuum-tight sealing of a ceramic tube |
| 01/09/1990 | CA1264223A1 Method for coating phosphor particles, phosphor particle, fluorescent lamp, and manufacturing method |
| 01/03/1990 | EP0349425A1 Three-colour fluorescent screen using micro-tip cathodes |
| 01/03/1990 | EP0349414A1 Method for restoring locally detiorated articles, particularly anti cathodes |
| 01/03/1990 | EP0349252A2 Method for spot-knocking an electron gun mount assembly of a CRT |
| 01/03/1990 | EP0349251A2 Method for spot-knocking an electron gun mount assembly of a CRT |
| 01/02/1990 | US4891555 Metal vapor discharge lamps |
| 01/02/1990 | US4891553 Lead metallizing process to avoid seal oxidation |
| 01/02/1990 | US4891548 Tension mask color cathode ray tube component with external registration-affording means |
| 01/02/1990 | US4891546 Front assembly for a tension mask color cathode ray tube having a laser-deflecting shadow mask support structure |
| 01/02/1990 | US4891110 Cataphoretic process for screening color cathode ray tubes |
| 01/02/1990 | US4891028 Shielding means and process for use in the manufacture of tension mask color cathode ray tubes |
| 01/02/1990 | US4890471 Punch press forming CRT shadow masks |
| 12/28/1989 | DE3918744A1 Blendarme kathodenstrahlroehre und verfahren zu deren herstellung Low glare kathodenstrahlroehre and processes for their preparation |
| 12/27/1989 | CN1038375A Method to reclaim phosphor materials used in color tv tubes |
| 12/27/1989 | CN1038357A Mfg. method of original for exposed photographic printing |
| 12/26/1989 | US4889781 Coating with photoresist light exposure; development; coating with graphite suspension |
| 12/19/1989 | US4888308 Glass manufacture using dense, unsintered, granular alkaline earth metal carbonates |
| 12/13/1989 | EP0346271A1 Microelectronic Field Ionizer and Method of Fabricating the Same |
| 12/13/1989 | CN1037995A Method of making luminescent screen for colour display tube |
| 12/12/1989 | US4886996 Channel plate electron multipliers |
| 12/12/1989 | US4886994 Snap-in light bulb |
| 12/06/1989 | EP0344515A2 Process for producing a beam-forming aperture for a lithography apparatus |
| 12/06/1989 | EP0344513A2 Process for the manufacture of a steering plate for a lithography apparatus |
| 12/05/1989 | US4885501 Blackening of non iron-based flat tensioned foil shadow masks |
| 12/05/1989 | US4884759 Winding apparatus |
| 11/29/1989 | EP0343645A2 Electron-emitting device and electron-beam generator making use of it |
| 11/29/1989 | EP0343609A2 Method of manufacturing main plates for exposure printing |
| 11/29/1989 | EP0343229A1 Metallurgically improved tip-off tube for a vacuum enclosure |
| 11/29/1989 | CN2048625U Non-metal lamp bonding device |
| 11/28/1989 | US4884004 Color cathode-ray tube having a heat dissipative, electron reflective coating on a color selection electrode |
| 11/28/1989 | US4883562 Method of making a photosensor |
| 11/28/1989 | US4883439 Apparatus for fixturing a cathode ray tube |
| 11/28/1989 | US4883438 Method for spot-knocking an electron gun mount assembly of a CRT |
| 11/28/1989 | US4883437 Method for spot-knocking an electron gun mount assembly of a crt utilizing a magnetic field |
| 11/23/1989 | EP0342900A1 Phosphor screen preparation |