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WO/1995/029501A1 |
A sol-gel coating of conductive materials, such as ITO, which is applied to a substrate, for example a display window of a cathode ray tube, is cured by means of a laser. This is preferably carried out in a water-containing atmosphere, f...
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WO/1995/026037A1 |
A field emitter device (10) for selective emission of an electron and/or ion beam comprising a substrate member (12) having an array (14) of field emitter elements (16) thereon, in which the field emitter elements and/or substrate member...
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WO/1995/025338A1 |
A single gun (10) color cathode ray tube (CRT) having a screen consisting of alternating red, blue and green vertical phosphor strips (34, 36, 38) in groups of three, with strips of conductive or photovoltaic material (16, 22, 28) overla...
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WO/1995/025339A1 |
A vacuum tube, particularly a cathode ray display tube, is disclosed. To absorb residual gases once a vacuum has been formed within the tube, a getter material (barium) is evaporated onto the inner tube walls from a getter holder. Instea...
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WO/1995/024728A1 |
Adherence of the phosphor screen to the face panel of a colour cathode ray tube is improved by placing a UV-reflective filter on the inside of the face panel prior to photolithographic forming of the screen, in order to reflect transmitt...
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WO/1995/024053A1 |
The display screen (3) of a cathode ray tube (1) is provided with a light-absorbing coating (8) comprising a hybrid inorganic-organic material consisting of an inorganic network of at least silicon oxide and a polymeric component. By mea...
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WO/1995/023425A1 |
Field emitter flat display, having an inner vacuum space wherein there are housed: a) a layer of excitable phosphors and a plurality of microcathodes (MT), which emit electrons driven by a high electric field; and b) a plurality of elect...
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WO/1995/022169A1 |
A field emission electron emitter comprising an electrode formed of at least one diamond, diamond-like carbon or glassy carbon composite fiber, said composite fiber having a non-diamond core and a diamond, diamond-like carbon or glassy c...
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WO/1995/021456A1 |
A color cathode ray tube which is provided with deflection error correcting electrodes (39) for correcting deflection errors in accordance with the deflected amounts of electron beams by forming a fixed uneven electric field in a deflect...
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WO/1995/020821A1 |
A gated field-emission structure contains an emitter electrode (46), an overlying electrically insulating layer (48), and one or more electron-emissive elements (52) situated in one or more apertures extending through the insulating laye...
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WO/1995/020239A1 |
A cathode-ray tube capable of forming an image of high quality by forming a phosphor dot pattern on the internal surface of the face panel with high shape accuracy and positional accuracy. The phosphor dot pattern is formed as follows. E...
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WO/1995/019636A1 |
A method of manufacturing a shadow mask of the nickel-iron type, in which an aperture-patterned sheet of a nickel-iron alloy comprising 35-37 % by weight of Ni and less than 0,1 % by weight of each constituent of the group of Mn, Cr and ...
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WO/1995/019090A1 |
An electromagnetic emission shield (1) for reducing electromagnetic radiation from a video display device (5) comprising an oversize conductive face plate (2) significantly larger in area than a front surface of the video display device.
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WO/1995/017763A1 |
In order to compensate for currents which are induced in a convergence yoke (16) by a deflection yoke (14), a pulse of current is injected into an amplifier (26) which receives the convergence waveform (from 28) so as to correct or compe...
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WO/1995/017072A1 |
A deflection yoke assembly (120) for a cathode ray tube (130) includes four substantially equally spaced inclined mounting members (100) arranged about the circumference of a mounting ring (22) at the front of the yoke assembly (120). Ea...
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WO/1995/014953A1 |
A screen is disclosed for viewing depth of field images. The screen includes a curved prismatic screen mounted between a flat image and a viewer. Additional optical elements may be provided to enlarge a viewed image and strengthen depth ...
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WO/1995/013624A1 |
An antiglare/antistatic (32) coating for a CRT (10) is applied to the outer surface of the CRT's faceplate (14) and includes a first inner hygroscopic layer (34) of silane, water, sulfuric acid and an alcohol mixture which may be applied...
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WO/1995/012835A1 |
A method is provided for fabricating a display cathode which includes forming a conductive line adjacent a face of a substrate. A region of amorphic diamond is formed adjacent a selected portion of the conductive line. The figure is an e...
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WO/1995/012209A1 |
A damping arrangement for use with a shadow mask (28) in a color cathode ray tube (CRT) (26), as shown in the figure, absorbs vibrations of the shadow mask (28) particularly at low frequencies, to maintain registration of the shadow mask...
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WO/1995/009718A1 |
A robot having an emergency stop device allowing cancellation of an emergency stop command and preventing an operation with an emergency stop command kept cancelled, comprising a control device (11a) having an emergency stop cancellation...
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WO/1995/009432A1 |
The present invention is a vacuum housing (82) for an image intensifier tube, wherein the vacuum housing is unistructurally formed from a dielectric material and retains a photocathode (14), microchannel plate (16) and anode (20) within ...
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WO/1995/007543A1 |
Electron-emissive elements in area electron emitters suitable for flat-panel displays are fabricated at high packing density. The electron-emissive elements have various shapes such as filaments (30A, 30B, or 30/88D1), cones (1181 or 142...
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WO/1995/006388A1 |
A camera system for operating in nighttime lighting conditions without additional illumination includes an input lens (60) for receiving incoming light representative of an image, an image intensifier tube (61) for receiving the image fr...
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WO/1995/006325A1 |
An improved IMS-anode coating spring contactor for a cathode ray tube (CRT) has a base with a semi-dart clip configuration and a tail extending from the base, which base and tail are interlocked in a set of two adjacent apertures in the ...
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WO/1995/003621A1 |
A resonant microcavity display (20) having microcavity with a substrate (25), a phosphor active region (50) and front and rear reflectors (30 and 60). The front and rear reflectors may be spaced to create either a standing or traveling e...
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WO/1995/000969A1 |
A flat panel device (200) includes a faceplate (202), a backplate (201) made of a co-fired ceramic susbtrate and connected to the faceplate to form a sealed enclosure, and structure (224) for producing light. The faceplate includes an ac...
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WO/1994/029403A1 |
A luminescent composition including the reaction product of an yttrium-silicon-phosphorus phosphor; and an activating agent selected from the group consisting of lanthanum, cerium, terbium and europium oxide and mixtures thereof. A proce...
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WO/1994/029893A1 |
A picture display device has a vacuum envelope and is provided with a face plate whose inner side supports a luminescent screen, a rear wall situated at a short distance therefrom, and the space inbetween accommodating a plurality of ele...
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WO/1994/024811A1 |
A television display system employing edge brightness flicker reduction by modulation of the vertical deflection signal has digital control words for modulation polarity (D) and magnitude (S). These digital words are coupled to an amplif...
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WO/1994/024816A1 |
A television image processing device (10) for use in front of a television screen having a diagonal dimension of S, which imaging processing device comprises four panels (12 to 15) connected together to form a hollow body (11) having a s...
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WO/1994/022161A1 |
This invention discloses an X-ray image intensifier including a vacuum container having a metallic X-ray input window (11a), and an input plane formed on the inner surface of the X-ray input window. In the container, convergence electrod...
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WO/1994/020975A1 |
A vertical field emitter structure (116) and field emission device such as a flat panel display (123) utilizing such structure. Self-aligned gate and emitter fabrication is described, together with virtual column field emitter structures...
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WO/1994/020976A1 |
A large area video camera is suitable for high energy imaging applications. The sensor-target (20) of the camera tube (10) is composed of T1Br, T1I, PbI2, or PbBr2 or a two layer structure comprising CsI and a photoconductive layer (50) ...
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WO/1994/019709A1 |
An anti-reflection coating (10) includes a first layer (14) of a transparent material having a low refractive index, a second layer (16) of an absorbing metal, a third layer (18) of a material which may have a high or a low refractive in...
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WO/1994/018690A1 |
A multi-beam electron gun for use in a monochrome cathode ray tube (CRT) such as used in a black and white television receiver, a projection television receiver, or a computer monitor includes (G1) control (46) and (G2) screen grids (48)...
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WO/1994/018694A1 |
A flat panel device (300) includes a spacer (308) for providing internal support. The spacer can be made of ceramic or glass-ceramic. Spacer surfaces exposed within the flat panel device are treated to reduce secondary emissions and prev...
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WO/1994/018691A1 |
A multi-beam electron gun (60) for a color cathode ray tube (CRT) includes a plurality of vertically spaced, horizontal inline beams, where each inline array of beams provides the three primary colors and adjacent inline beam arrays simu...
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WO/1994/016457A1 |
The focusing characteristic of this electron gun is not impaired by the aberration caused by the deviation of the centers of the holes on both sides of the main lens, through which the electron beams are passed, and the astigmatism of th...
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WO/1994/015350A1 |
A matrix addressed diode flat panel display (820) including a diode pixel structure. The flat panel display includes a cathode assembly having a plurality of cathodes (210-280), each cathode including a plurality of cathode conductive ma...
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WO/1994/015353A1 |
A laser electron-beam tube comprises an electron-beam source housed in a vacuum chamber and a laser target. The laser target consists of partially transparent reflecting layers and highly reflecting layers, all accommodated on a substrat...
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WO/1994/015352A1 |
A flat panel display for displaying visual information includes a plurality of corresponding light-emitting anodes (130), and field-emission cathodes (170), each of the anodes emitting light in response to emission from each of the corre...
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WO/1994/014182A1 |
A method for producing microdot emitting cathodes on silicon for compact flat screens, and the products obtained by means of said method, are disclosed. According to the method, the emitting cathodes are made from a basic monolithic sili...
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WO/1994/014153A1 |
A flat screen having individually dipole-protected microdots and consisting of a field-emission cathode comprising microdots (12) individually protected by means of a series electrical coupling with a dipole (13) consisting of a depletio...
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WO/1994/013005A1 |
Luminescent screens, especially the output screens of image intensifier tubes used in radiology. The invention concerns, in particular, means for selecting the appropriate remanence according to the intended application. A luminescent sc...
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WO/1994/010700A1 |
A matrix addressing screen with row/column contacts through the substrate. The screen consists of a flat matrix addressed screen in which conductive areas (9) are formed in a known manner through a rear substrate (1) in order to locate t...
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WO/1994/008349A1 |
The invention can be used in systems based on projection electron-beam tubes, X-ray tubes, laser electron-beam tubes and in particular in laser scanners. The basic problem was to enhance the operational characteristics of the device and ...
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WO/1994/006146A1 |
There is disclosed a cathode-ray tube which employs an electron gun assembly of the laminar flow (LF) type (20, 21, 22). The beam emanating from the LF electron gun assembly is directed through a three-electrode einzel lens assembly (30,...
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WO/1994/006148A1 |
A direct conversion X-ray photo-electron cathode has specially designed secondary emission layers which provide high efficiency, low noise, high speed and broad band X-ray photo detection. The X-ray photocathode (7, 8) is integrated with...
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WO/1994/003917A1 |
A method for production of graph scales of a panel of a cathode-ray tube for an oscilloscope for forming the panel graph scales by exposing and developing a slurry precipitate on a panel through a mask having cathode scales. More particu...
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WO/1993/024951A1 |
An inline electron gun (27) for use in a multi-beam color cathode ray tube (CRT) has a main focus lens for focusing the electron beams on a display screen of the CRT. The main focus lens includes adjacent charged electrodes each having c...
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