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| Number | Title | Issue Date |
| 7315113 | Color cathode-ray tube and method for producing the same A conductive film isolated from an inner conductive film is formed on an inner wall of a neck. Assuming that, among a plurality of focusing electrodes constituting an electron gun, a position in a tube axis direction of an end on an anode side of an anode-side focus... | 01/01/2008 |
| 7176452 | Microfabricated beam modulation device A beam modulation device gate is constructed from a silicon material, such as a silicon layer on an silicon on insulator wafer. The device further comprises a set of electrical contacts on the layer. The layer defines a set of electrically conducting silicon materia... | 02/13/2007 |
| 7120998 | Fabrication of chopper for particle beam instrument A technique for providing a grid for a gate such as utilized in gating a stream of ions or other particles in a spectrometer instrument. The grid of wires may, for example, be a so-called Bradbury-Nielson Gate that consists of a set of two electrically isolated sets... | 10/17/2006 |
| 7067789 | Method and device for producing X-ray image detector, and X-ray image detector An X-ray light emitting phosphor film (22) such as a CsI film that converts an X-ray to light is formed on an input substrate (21) constituting an input part of an X-ray image detector. A surface portion of the X-ray light emitting phosphor film (22... | 06/27/2006 |
| 6995503 | Cathode ray tube tension mask made of magnetostrictive material with compensation for terrestrial magnetism A cathode ray tube is provided, in which the flatness of a tension mask constituting a color-selection mechanism is maintained by a suitable stretching force, while with the tension mask, the influence of external magnetic fields, such as the terrestrial magnetism i... | 02/07/2006 |
| 6848960 | Method for manufacturing color selection electrode structure and color cathode ray tube having the color selection electrode structure To provide a method for manufacturing a color selection electrode structure easily capable of measuring a tension amount of the color selection electrode in the process for manufacturing the color selection electrode structure and a color cathode ray tube using the ... | 02/01/2005 |
| 6840834 | Package structure for mounting a field emitting device in an electron gun Apparatus and method are provided for a package structure that enables mounting of a field-emitting cathode into an electron gun. A non-conducting substrate has the cathode attached and the cathode is electrically connected to a pin through the substrate. Other pins... | 01/11/2005 |
| 6817919 | Method and apparatus for manufacturing a frame work for shadow mask After assembling a framework in an approximately rectangular form, a basis plane is formed by grinding a bottom surface of the framework. Then, ends of two opposing sides of the framework on a side opposite to the basis plane are cut in a predetermined shape by shea... | 11/16/2004 |
| 6803711 | Mask for color cathode ray tube having beneficial slot and bridge configurations, manufacturing method thereof, and exposure mask for manufacturing the mask A mask for a color cathode ray tube (CRT) and a manufacturing method thereof are provided. This mask includes a plurality of strips isolated from each other at predetermined intervals in parallel, and a plurality of bridges for forming slots through which electron b... | 10/12/2004 |
| 6705915 | Method of assembling an emissive cathode for electron gun A process for assembling a cathode for electron gun comprising a body of emissive material, a cup into which the body of emissive material is inserted, a substantially cylindrical metal skirt, the said process comprising the following successive steps: insert... | 03/16/2004 |
| 6656331 | Application of antistatic/antireflective coating to a video display screen An antistatic/antireflective coating is applied by sputtering to the outer surface of a video display screen such as in a cathode ray tube (CRT) and is comprised of an inner antistatic layer and an outer antireflective layer. The inner antistatic layer is... | 12/02/2003 |
| 6626726 | Method for fabricating cathode structure for cathode ray tube A method for fabricating an indirectly-heated cathode structure including inserting a heater into a mold, injecting a thermoplastic resin into the space of the mold to embed the heater in the thermoplastic resin, inserting the heater embedded in the therm... | 09/30/2003 |
| 6604974 | Method and apparatus for applying crosswires to a tension focus mask A method and apparatus for applying crosswires to a tension mask. The method includes winding crosswires around various drum assemblies and then using transfer devices to remove sections of crosswires and transfer them to tension mask frame assemblies.... | 08/12/2003 |
| 6583545 | Aperture grill material for color picture tube, production method thereof, aperture grill and picture tube A purpose of the present invention is to provide material of an aperture grille used for a color picture tube having excellent yield strength, excellent high temperature creep strength and excellent magnetic characteristic, material of an aperture grille ... | 06/24/2003 |
| 6575801 | Method for fabricating cathode in color cathode ray tube Method for fabricating a cathode in a cathode ray tube, the cathode having a cathode sleeve with a heat radiative coating layer formed on an inside wall thereof for emission of thermal electrons, the heat radiative coating layer being formed by a method i... | 06/10/2003 |
| 6501212 | Method of insulating stem pins of a cathode ray tube A method of insulating a cathode ray tube and an electrical insulator composition for a cathode ray tube enabling an electrical insulator to be produced without material loss and enabling improvement of the bonding strength between a stem and a stem base ... | 12/31/2002 |
| 6376981 | Color display device having quadrupole convergence coils The invention relates to a color display device comprising an in-line electron gun (5) for generating three electron beams (6,7,8), and a convergence unit (14) to dynamically influence the convergence of the electron beams, preferably to decrease a distan... | 04/23/2002 |
| 6273776 | Method for manufacturing electrodes of electron gun for cathode ray tube and electrodes manufactured thereby A method for manufacturing electrodes of an electron gun for a cathode ray tube and electrodes manufactured thereby are disclosed. The method for manufacturing electrodes of an electron gun for a cathode ray tube comprising the steps of preparing a first ... | 08/14/2001 |
| 6270390 | Method for making electron gun Method and apparatus for manufacturing an electron gun. A beam spot coefficient is obtained from an electrostatic lens magnification and a spherical aberration coefficient of a set resistance distribution. Then, a first process loop is executed to select ... | 08/07/2001 |
| 6262526 | Color Braun tube An in-line type color Braun tube having a fluorescent screen and a shield cup at an end of an electron gun, the shield cup including a cylindrical side wall and a bottom having a center electron beam passing hole and two side electron beam passing holes a... | 07/17/2001 |
| 6074262 | Method and apparatus for automatically supplying signal in a video display device A method and an apparatus for automatically supplying a pattern signal for testing and adjusting a screen of a video display device such as a cathode ray tube (CRT) assembly. When a pallette stops at a certain working position, the pallette is pushed to t... | 06/13/2000 |
| 6048244 | Method for providing a resistive lens structure for an electron beam device A method for providing a resistive focusing lens structure for an electron beam device including forming a suspension of particles of a mixture of, by weight, of about 33-50% of an oxidic conductive material including about 40-60% of a lead ruthenate, abo... | 04/11/2000 |
| 6005338 | Cathode-ray tube and process for producing the same In order to provide a method of producing a cathode ray tube in a manner which well matches with a usual technique of producing a cathode ray tube by forming a spiral high-resistor on an inner face of a glass tube, in an electron gun of which a main focus... | 12/21/1999 |
| 5861708 | Color cathode ray tube A color cathode ray tube includes an in-line electron gun. The electron gun includes at least a tubular part which is composed of two (or more) folded portions which are secured to each other.... | 01/19/1999 |
| 5785873 | Low cost field emission based print head and method of making A photoprinter is described, including a print head comprising three parallel substrates, with the space between them being permanently evacuated. The middle substrate is divided into left and right parts with a space left between them. Suitable gettering... | 07/28/1998 |
| 5780959 | Cathode structure for cathode ray tube An improved cathode structure for a cathode ray tube includes a first metal tube which can receive an emission part and a heating element, a second metal tube constituting the cathode shielding, and means for retaining the first tube in position inside th... | 07/14/1998 |
| 5643697 | Process for manufacturing a shadow mask made of an iron/nickel alloy Shadow mask and process for manufacturing a shadow mask made of an iron/nickel alloy in which: a foil perforated with holes is provided, the foil is subjected to a heat treatment in order to obtain grains whose size, as defined by the ASTM standard, is gr... | 07/01/1997 |
| 5556709 | Photocurable resin composition for glass lamination, laminated glass product and process for its production A photocurable resin composition for glass lamination, consisting essentially of a radical polymerizable monomer having at least two repeating units of ethylene oxide in its molecule and a photopolymerization initiator, a cured product of which has a volu... | 09/17/1996 |
| 5489229 | Electron gun for a cathode ray tube Method of manufacturing an electron gun comprises the steps of forming a plurality of electrode layers on the inner surface of at least one tube, providing at least one conductive layer on the surface of the tube, providing a pair of holders so as to hold... | 02/06/1996 |
| 5465480 | Method of manufacturing a gating grid A planar gating grid for an IMS spectrometer is constructed with two sets of comb-like grid elements. Each set is connected to an electrode and the sets are interdigitated to form the grid. Mechanical stability is provided by attaching the grid elements t... | 11/14/1995 |
| 5416378 | Color picture tube with iron-nickel alloy shadow mask The present invention provides an improved color picture tube having a viewing screen and a shadow mask mounted adjacent to the screen. The mask has an apertured contoured portion and a peripheral skirt. The improvement comprises the skirt having a revers... | 05/16/1995 |
| 5382871 | Color selecting structure for a cathode-ray tube A color selecting structure for a TRINITRON cathode-ray tube, in which color phosphor stripes are provided and a single electron gun emits three beams, capable of minimizing vertical fringes that deteriorate the quality of a picture displayed on the scree... | 01/17/1995 |
| 5308723 | Thin metallic sheet for shadow mask The metallic sheet for shadow mask comprises a Fe-Ni alloy sheet having mainly of Fe and Ni; degrees of planes on a surface of the alloy sheet, the degree of {331} plane being 14% or less, the degree of {210} plane 10% or less and the degree of {211} plan... | 05/03/1994 |
| 5304083 | Method of forming a light emitting device The present invention relates to a light emitting device which emits light upon impingement of thermoelectrons on a front panel having fluorescent elements. In each bonding surface of a spacer which is bonded to both front and rear panels, a positional de... | 04/19/1994 |
| 5299965 | Laser welding method for preparation of electron gun of color cathode-ray tube A laser welding method for preparation of an electron gun of a color cathode-ray tub. This laser welding comprises the steps of forming a coining part on an evaporation section of a weld zone of an upper part to be welded to a lower part, and focusing a l... | 04/05/1994 |
| 5256463 | Method for manufacturing color phosphor surface A method for manufacturing a phosphor screen used in a color CRT takes the steps of multilayering a red phosphor layer, a green phosphor layer, a blue phosphor layer, and a non-luminescent layer being laid between the adjacent color phosphor layer, cuttin... | 10/26/1993 |
| 5256097 | Process for producing a directly heated cathode A process providing a cathode coil made of tungsten and fastening it to molybdenum straps by brazing with platinum by supplying thermal energy in a punctiform manner.... | 10/26/1993 |
| 5220238 | Cathode structure for an electron tube and method of constructing it A cathode structure for an electron tube that includes a cathode sleeve, an upper heat radiation part blackened by the oxidation of the Cr contained therein in order to increase the rate of the heat radiation, a lower supporting part covered by a nickel l... | 06/15/1993 |
| 5140218 | Cathode ray tube comprising an electron gun A cathode ray tube comprising an electron gun having a number of electrodes with securing members and a number of supports of electrically insulating material, said supports and electrodes being interconnected by means of serrated clamping members. By vir... | 08/18/1992 |
| 5131878 | Process for manufacturing dispenser cathode A process for manufacturing a dispenser cathode is disclosed, and the process comprises the steps of filling a porous base material into a storage tank, welding the storage tank to a cylindrical sleeve, installing a heater into the sleeve which has, a sup... | 07/21/1992 |
