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