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| Number | Title | Issue Date |
| 4567400 | CRT Comprising metallized glass beads for suppressing arcing therein A CRT comprising an evacuated envelope having an electrically-insulating neck and a beaded electron-gun mount assembly in the neck. Portions of the surfaces of the beads facing the inner surface of the neck carry electrically-conducting coatings for suppr... | 01/28/1986 |
| 4504430 | Method for casting a base directly on an electron tube Method for casting a base directly on an electron tube comprising a stem and stem leads sealed in and extending out from the stem includes: A. detachably coupling a mold to the leads and stem, B. producing a temporary pressure seal between the mold and th... | 03/12/1985 |
| 4500808 | Multibeam electron gun with composite electrode having plurality of separate metal plates A multibeam electron gun comprising two spaced successive electrodes individually held in position from a common support. One electrode comprises a single metal first plate having at least three electron-beam-defining first apertures therein. The other el... | 02/19/1985 |
| 4497848 | Stencilling a unique machine-readable marking on each of a plurality of workpieces Method and apparatus are described for producing a unique machine-readable marking, such as a bar-code marking, on each of a succession of workpieces, such as glass envelope parts of cathode-ray tubes. The method comprises producing and applying a differe... | 02/05/1985 |
| 4493668 | Method for combined baking-out and panel-sealing of a partially-assembled CRT A method for fabricating a CRT (cathode-ray tube) in which a partially-completed faceplate-panel assembly is baked-out and heat-sealed to a funnel during the same baking cycle. Jets of oxygen-containing gas are directed intermittently into the open neck o... | 01/15/1985 |
| 4488793 | Photodepositing a CRT screen structure using discrete-element optical filter Method for photodepositing a CRT screen structure including projecting a light field through an IC filter having tailored light transmission, through a photographic master and incident upon a photosensitive layer. The IC filter is a half-tone comprising a... | 12/18/1984 |
| 4485158 | Method for preparing a mosaic luminescent screen using a mosaic precoating In a method for preparing a mosaic luminescent screen, islands of dry precoating material are adhered to a glass support surface at the sites of the mosaic parts of the screen. Then, the mosaic parts of the screen are deposited on the islands by the slurr... | 11/27/1984 |
| 4482426 | Method for etching apertures into a strip of nickel-iron alloy A method for etching a strip of iron-nickel alloy, such as invar steel, having etch-resistant stencils on opposite major surfaces thereof includes contacting the stencilled surfaces with a ferric-chloride etchant. The etchant is controlled (a) to contain ... | 11/13/1984 |
| 4473008 | Method for intaglio printing and selectively alterable inking plate therefor In an intaglio printing method, the steps of providing a novel intaglio inking plate having a surface and means for producing different prescribed patterns of shallow depressions therein, producing a first prescribed pattern of depressions in said surface... | 09/25/1984 |
| 4473774 | CRT with internal neck coating for suppressing arcing therein CRT (cathode-ray tube) comprises an evacuated glass envelope, an electron-gun mount assembly housed in the envelope, the electrodes of said envelope being confined by closely-spaced glass surfaces, and an insulative coating on said glass surfaces opposite... | 09/25/1984 |
| 4464601 | CRT with quadrupolar-focusing color-selection structure CRT employs a quadrupolar-focusing color-selection structure comprising two or more apertured masking plates. Each plate has therein an array of substantially rectangular apertures which are positioned relative to one another to produce electrostatic quad... | 08/07/1984 |
| 4460621 | Reducing glare from the surface of a glass viewing window The novel method comprises impacting an aqueous slurry of solid particles on the surface of a glass viewing window in such manner as to stress the glass in the impacted area of the window without substantial erosion, abrasion or etching of the impacted su... | 07/17/1984 |
| 4452861 | Solid particles encapsulated with cyanoacrylate polymer Article of manufacture comprises a solid core particle individually encapsulated with a film consisting essentially of alkyl 2-cyanoacrylate polymeric material. The film may be produced in situ by agitating a mixture of core particles having adsorbed wate... | 06/05/1984 |
| 4451725 | Electrical heating unit for sealing vacuum electron tubes Electrical heating unit for tipping-off vacuum electron tubes comprises a cylindrical resistance heating coil, a cylindrical heat-shielding means within and spaced from the heating coil and a support plate adjacent one end of the coil permitting leads of ... | 05/29/1984 |
| 4448612 | Method of blackening surfaces of steel parts with wet nitrogen A gaseous mixture of nitrogen and water vapor (dew point of about -8° to 32° C.), heated to 550° to 750° C., contacts the surfaces of a steel part for a sufficient time to produce adherent, deep-black layers on the part. Steel aperture masks and suppo... | 05/15/1984 |
| 4445872 | Method of detecting the vaporization of getter material during manufacture of a CRT In a method of vaporizing getter material from a getter container inside a vacuum electron tube, light from the vaporization is sensed at least from the outset of the heating of the container. A time-dependent sample signal is produced from the sensed lig... | 05/01/1984 |
| 4446362 | Workpiece with abraded machine-readable marking therein and method of making A workpiece having a machine-readable coded marking abraded into the surface thereof. The marking comprises a plurality of related marks, such as bar-code marking, which have substantially different light reflectances than the surrounding surface. The mar... | 05/01/1984 |
| 4443499 | Method of making a focusing color-selection structure for a CRT The novel method comprises (1) producing in one major surface of a metal masking plate an array of substantially-parallel ridges separated by valleys or grooves, (2) removing metal from the other of said major surfaces in generally rectangular-shaped area... | 04/17/1984 |
| 4441957 | Method for selectively etching integral cathode substrate and support In a method for preparing an integral cathode substrate and support in which selected surface portions of a formed metal part are masked, the unmasked surface portions etched, and then the mask removed, the improvement wherein the masking step is conducte... | 04/10/1984 |
| 4427395 | Method for making a dipolar-deflecting and quadrupolar-focusing color-selection structure for a CRT The novel method comprises (1) producing in one major surface of a metal masking plate an array of substantially-parallel grooves separated by ridges of plate metal, (2) producing in the other of said major surfaces an array of generally rectangular-shape... | 01/24/1984 |
| 4427918 | Focusing color-selection structure for a CRT Focusing color-selection structure comprises a metal plate having an array of apertures therethrough arranged in substantially parallel columns with ridges of plate metal between the columns, the ridges being integral with and upstanding from one major su... | 01/24/1984 |
| 4425377 | Method of making a cathode-ray tube having a conductive internal coating exhibiting reduced arcing current In a method of fabricating a cathode-ray tube, a layer comprising graphite, iron oxide, amorphous carbon and silicate binder is deposited on at least a portion of the interior surface of an envelope, the coating is baked in air until the amorphous carbon ... | 01/10/1984 |
| 4410310 | Degassing a CRT with modified RF heating of the mount assembly thereof While a CRT is being baked at temperatures up to about 450° C. and exhausted of gases prior to sealing, the mount assembly is heated to higher temperatures with RF energy. In the novel method, a selected portion of the mount assembly is shielded from the... | 10/18/1983 |
| 4408851 | Photographic method for printing a viewing-screen structure using a light-transmission filter A method for printing a viewing-screen structure including projecting, at least three times, a light field from a light source, through a lens, an optical filter and incident upon a photosensitive layer. During one of the projecting steps, the light sourc... | 10/11/1983 |
| 4409279 | Glass support rod for use in electron-gun mount assemblies A glass support rod comprising a generally rectangular glass body with flat ends, at least two opposite edges at each of said ends having radii of at least about 0.375 millimeter (15 mils).... | 10/11/1983 |
| 4406639 | Wet processing of electrodes of a CRT to suppress afterglow In the novel method, before an electron-gun mount assembly is sealed into the neck of a CRT, at least the high-voltage electrodes and the adjacent portions of the focus electrodes are dipped into an aqueous solution consisting essentially of hydrogen pero... | 09/27/1983 |
| 4406637 | Processing the mount assembly of a CRT to suppress afterglow Before a CRT is tipped off following exhaustion of gases to a low pressure, at least a portion of one of the electrodes of the mount assembly (e.g., the grid electrode facing the anode) is heated to high temperatures, preferably about 700° to 800° C., i... | 09/27/1983 |
| 4403547 | Method of printing intelligible information A shallow depression in a printing plate is filled with a viscous printing medium. Then, a transfer surface having the desired geometric pattern contacts the printing medium and thereby coats the surface with the medium. The coated transfer surface is the... | 09/13/1983 |
| 4401508 | Method for removing insolubilized PVA from the surface of a body In a method for removing insolubilized polyvinyl alcohol portions from the surface of a body on which it is adhered, the step of contacting said stencil and surface with an aqueous stripping solution containing at least one nonoxidizing mineral acid, such... | 08/30/1983 |
| 4395242 | Method of electrically processing a CRT mount assembly to reduce afterglow In the novel method of electrically processing a completed and operative CRT, the portion of the focus electrode that faces a high-voltage electrode is heated at temperatures above about 700° C. and then is subjected to RF spot-knocking. The novel method... | 07/26/1983 |
| 4389279 | Method of etching apertures into a continuous moving metallic strip A method of etching a continuous etchable metallic strip from both major surfaces to produce a multiplicity of apertures therethrough, said strip having, on both major surfaces, acid-resistant stencils with openings therein that are registered with one an... | 06/21/1983 |
| 4377890 | Method of CRT manufacture using machine readable coded markings A CRT has a unique, machine-readable, coded marking in an external surface thereof. Assembling the CRT includes (1) providing at least one envelope part having a unique, machine-readable coded marking on an external surface thereof, (2) machine-reading th... | 03/29/1983 |
| 4376009 | Limp-stream method for selectively etching integral cathode substrate and support In a method for preparing an integral cathode substrate and support in which selected surface portions of a formed metal part are masked, the unmasked surface portions etched, and then the mask removed, the improvement wherein the etching step is conducte... | 03/08/1983 |
| 4374451 | Method of assembling a CRT using a coded subassembly or part The method of assembling a CRT includes (1) providing at least one envelope part having a unique, optically machine-readable, process-survivable coded marking on an external surface thereof, (2) optically machine-reading the marking, (3) generating a sign... | 02/22/1983 |
| 4374037 | Method for preparing divalent-europium-activated calcium sulfide phosphors A method for preparing a divalent-europium-activated calcium sulfide phosphor comprising reacting a molten mixture consisting essentially of alkaline-earth-metal chloride and europium chloride with gaseous carbon disulfide at temperatures between 850° an... | 02/15/1983 |
| 4370287 | Preform method of synthesizing a phosphor To synthesize a particulate phosphor, an intimate dry mixture of phosphor-producing compounds is pressed, as by uniaxial or isostatic pressing, to a self-supporting preform of the desired shape and to a prescribed density. Then, the preform is heated to a... | 01/25/1983 |
| 4353006 | CRT with means for suppressing arcing therein A CRT comprising an evacuated envelope having an electrically-insulating neck and a beaded electron-gun mount assembly in the neck. The beads of the assembly are closely spaced from the inner surface of the neck. At least a portion of the surface of each ... | 10/05/1982 |
| 4350922 | Multicolor cathode-ray tube with quadrupolar focusing color-selection structure CRT comprises a color-selection structure for producing a plurality of quadrupolar lenses, each lens defining a window for passing and focusing portions of electron beams to an associated color group of a target. The color-selection structure comprises (i... | 09/21/1982 |
| 4348299 | Method for preparing inorganic sulfides Method for preparing an inorganic sulfide material including heating at temperatures between about 800° and 1200° C. a mixture comprising at least one member of the group consisting of oxidic materials of calcium, strontium and combinations thereof with... | 09/07/1982 |
| 4341591 | Method of fabricating a color-selection structure for a CRT Method comprises providing a blank laminate consisting essentially of a positive-acting photosolubilizable central layer, first and second etchable metal layers adhered to opposite sides of the central layer and first and second etch-resistant stencils co... | 07/27/1982 |
