Abstract: The charged particle storage system includes: a storage ring circulating, by a perturbating device, charged particles injected from outside; a power source supplying an electric current to the perturbating device; and a charged particle beam generating device. The charged particle beam generating device includes a DC accelerator that generates a constant voltage to accelerate electrons and thereby generates a beam of the electrons. While a current having its current intensity changing in a sinusoidal wave is caused to flow through the perturbating device continuously for at least 10 ?s by a power source, an electron beam output from the charged particle beam generating device is injected to the storage ring continuously for at least 10 ?s. Thus, a current larger than that stored by the conventional resonance injection method can be stored in the storage ring, and an X-ray having higher intensity can be generated.

Abstract: In an optically controlled cold-cathode electron tube, the emitters 1, of nanometer and/or micron size and of elongate shape, have a structure comprising a first material (4) of sp2-bonding carbon type and a metallic second material (3), said first material being in contact with and surrounding said second material at its top and over the entire length of the emitter or at least part of said length starting from its top toward the base (b). The second material has a plasma frequency substantially equal to or greater than the frequency of the optical control wave.

Abstract: A display screen, characterized in that the pixels of the image are generated by individual light-emitting capsules, said capsules constituting miniature cathodic tubes cold-cathode and being assembled in a matrix on a least one substrate of supple support, optionally transparent. The material emitting electrons of the capsules may be constituted by carbon nanotubes. The assembly of the capsules may be realized by forced insertion of the prefabricated capsules into a supple support, with or without previously cutting out placements of the capsules in the supports. Assembly of the capsules may likewise be done by moulding the prefabricated capsules in a supple support. Advantageously, the size of the capsules is optimized to ensure optimum matricial assembly of the pixels or correct balance of the non-printing areas, with for example a larger size for the capsules emitting its green light.

Abstract: In an optically controlled cold-cathode electron tube, the emitters 1, of nanometer and/or micron size and of elongate shape, have a structure comprising a first material (4) of sp2-bonding carbon type and a metallic second material (3), said first material being in contact with and surrounding said second material at its top and over the entire length of the emitter or at least part of said length starting from its top toward the base (b). The second material has a plasma frequency substantially equal to or greater than the frequency of the optical control wave.

Abstract: A cathode structure of triode type which, superimposed over a substrate, includes a cathode electrode, an electric insulating layer, and a gate electrode, the electric insulating layer and the gate electrode having emission openings revealing at least one electron-emitting element electrically connected to the cathode electrode. The structure further includes a refocusing electrode arranged to refocus the electrons extracted by the gate electrode. The refocusing electrode is arranged on the electric insulating layer and is connected to an electric connection allowing a refocusing voltage to be applied to it via electrically conductive nanotubes. The cathode structure can be applied to a matrix-addressed field emission device.

Abstract: A cathode ray tube device in which two deflection yokes and two electron guns are used, but in which only one shadow mask is used. Image uniformity is obtained by creating a partial overlap of the two images created by the two yokes.

Abstract: Disclosed is a packing device for CRT funnels vertically stacked over and over, receiving a plurality of CRT funnels, comprising a planar supporter having a plurality of through holes, each through hole allowing a neck of the funnel to be inserted therethrough; a pair of first inner walls formed in opposite sides of the supporter, being able to be folded relative to the planar surface of the supporter; and a pair of second inner walls formed in opposite sides of the supporter, being able to be folded relative to the planar surface of the supporter together with the first inner walls, a plurality of foldable lines being formed in at least one of the first and second inner walls, allowing the first and second inner walls to be folded relative to the planar surface of the supporter. With this configuration, there is provided a packing device for CRT funnels having a stiffness enough to support the CRT funnels while the funnels are being transferred, and being stored with reduced volume.

Abstract: A cathode ray tube and a color selecting member, which can be manufactured without defects by using an existing projection aligner of a simple structure and can always produce a picture of high quality, in which phosphor layer has a pattern in stripes in the lateral direction of a screen, or in the horizontal direction and a color selecting member has slits elongated in the longitudinal direction of the screen, or in the horizontal scan line direction. Even in case of the thermal expansion of the color selecting member or a considerable longitudinal deviation between the exposure position at the time of manufacture and the position where an electron beam strikes in actual use, an electron beam can freely pass through the slits. Therefore, the accuracy of irradiation of the phosphor layer with the electron beam is not adversely influenced.

Abstract: A beam index type cathode ray tube having a screen divided into a plurality of areas and a plurality of electron guns corresponding to the divided screen areas. The beam index type cathode ray tube includes a tube of which inner atmosphere is maintained in a vacuum state and a screen formed at one side of an inner surface of the tube. The screen has phosphor stripes and index stripes. A plurality of electron guns are mounted in the tube facing the screen and a plurality of deflectors are mounted on the tube corresponding to the electron guns to deflect electron beams which are radiated from the electron guns to the screen. A plurality of detectors are mounted on the tube corresponding to the electron guns to sense lights emitted from the index stripes.

Abstract: A cathode ray tube device in which two deflection yokes and two electron guns are used, but in which only one shadow mask is used. Image uniformity is obtained by creating a partial overlap of the two images created by the two yokes.

Abstract: A cathode ray tube device in which two deflection yokes and two electron guns are used, but in which only one shadow mask is used. Image uniformity is obtained by creating a partial overlap of the two images created by the two yokes.

Abstract: A laser CRT includes a cathode, a modulator having an orifice for forming an electron beam from the electrons emitted by the cathode, and a beam directing unit directing the electron beam formed by the orifice of the modulator to the laser screen of the laser CRT. To reduce the diameter of the electron beam and to thereby improve the resolution of the laser CRT, the laser CRT includes at least one other modulator having an orifice for forming another electron beam from the electrons emitted by the cathode, the beam directing unit being adapted for directing the other electron beam formed by the at least one other modulator to the laser screen.

Abstract: A cathode ray tube of the present invention includes a face panel having a phosphor screen formed on an inner surface of the face panel, a funnel fused to the face panel on one end and having a plurality of cones on the other end, and a plurality of necks connected to a corresponding one of the cones. Each of the necks is provided with an electron gun which emits electron beams toward the phosphor screen. A plurality of deflection yokes which deflect the electron beams are mounted to an outer circumference of each of the cones. In addition, a plurality of stems are fused to a corresponding distal end of the necks and connected to the electron gun provided in the corresponding neck. The stems include a first stem having a sealing cap extending outward from the neck to which the first stem is fused, and second stems formed such that each of the second stems is without the sealing cap.

Abstract: A CRT for the display of a large screen television set which includes a tube envelope having a pair of tube necks and a phosphor display screen, a pair of electron guns arranged in a same horizontal plane and each positioned in a different one of the tube necks, for directing dual electron beams to impinge upon the phosphor display screen, and magnetic deflection yokes for horizontally deflecting the dual electron beams to produce a visual display of partially overlapping dual raster scans on the display screen.

Abstract: The laser cathode ray tube has a laser screen; a focusing system for focusing the electron beam on the laser screen; a deflection system for deflecting the electron beam; and at least two electron guns with cathodes for generating at least two electron beams focused simultaneously on one and the same laser screen element defined by the deflection system.

Abstract: With the cathode ray tube and image correcting method of the invention, inside the cathode ray tube, an index electrode for outputting an electric detection signal according to an incidence of electron beams is provided in an over-scan region of the electron beams on the side of the joint of neighboring left and right divided screens. Based on a detection signal outputted from the index electrode, image display control is performed so that the left and right divided screens are joined in an appropriate positional relationship. Also, based on the detection signal outputted from the index electrode, brilliance modulation control at the joint area of the left and right divided screens is performed and thus image display control is performed so that changes in brilliance at the joint area remains inconspicuous.

Abstract: A beam index type cathode ray tube having a screen divided into a plurality of areas and a plurality of electron guns corresponding to the divided screen areas. The beam index type cathode ray tube includes a tube of which inner atmosphere is maintained in a vacuum state and a screen formed at one side of an inner surface of the tube. The screen has phosphor stripes and index stripes. A plurality of electron guns are mounted in the tube facing the screen and a plurality of deflectors are mounted on the tube corresponding to the electron guns to deflect electron beams which are radiated from the electron guns to the screen. A plurality of detectors are mounted on the tube corresponding to the electron guns to sense lights emitted from the index stripes.

Abstract: Disclosed is a packing device for CRT funnels vertically stacked over and over, receiving a plurality of CRT funnels, comprising a planar supporter having a plurality of through holes, each through hole allowing a neck of the funnel to be inserted therethrough; a pair of first inner walls formed in opposite sides of the supporter, being able to be folded relative to the planar surface of the supporter; and a pair of second inner walls formed in opposite sides of the supporter, being able to be folded relative to the planar surface of the supporter together with the first inner walls, a plurality of foldable lines being formed in at least one of the first and second inner walls, allowing the first and second inner walls to be folded relative to the planar surface of the supporter. With this configuration, there is provided a packing device for CRT funnels having a stiffness enough to support the CRT funnels while the funnels are being transferred, and being stored with reduced volume.

Abstract: A cathode ray tube having an evacuated envelope including a panel section having a front face portion including a sloped sidewall, the sloped sidewall and an outer periphery portion being joined at mold match line, a neck containing therein an electron gun assembly, and a funnel section integrally coupling the panel section and the neck together. The sloped sidewall of the front faceplate has an angle which is in a range of 1.5 to 3 degrees to the tube axis, and a reinforcing band attached by a thermal shrink fit technique to and clamped around the outer periphery of the panel section. The reinforcing band is positioned around the panel section at a predefined position in which a circumferential bending line on the reinforcing band is offset from the mold match line of the cathode ray tube toward the neck.

Abstract: A vacuum envelope of a cathode ray tube comprises a faceplate and a rear envelope bonded to the faceplate. The rear envelope includes a rear plate opposed to the faceplate, a side wall, a plurality of funnels extending from the rear plate, partition walls set up on the rear plate, and necks bonded individually to the funnels. The rear envelope is formed by connecting a plurality of miniature envelopes to one another. Each miniature envelope includes at least one funnel, and is molded by pressing.

Abstract: A synthetic fused silica composition comprising silica and aluminum, wherein said aluminum is generally present in at least 7 parts per million and the composition has a viscosity of at least 1014.5 poise.

Abstract: An envelope of a cathode ray tube includes a substantially rectangular flat face plate, and a substantially rectangular flat rear plate opposed to the face plate with a side wall being interposed therebetween, a plurality of funnels extending from the rear plate. A plurality of necks extend from the respective funnels, and a plurality of electron guns are respectively arranged in the necks. A plurality of plate support portions are arranged between the rear plate and the face plate, so as to support the rear plate and the face plate against an atmospheric pressure. Each plate support portion includes a support body made of glass which is integrally welded with the rear plate and extends from the rear plate toward the face plate, and a distal end portion jointed to the extending end of the support body and being in contact with the face plate.