KR900019120A - Electron beam amplification unit, electron beam amplification device and flat panel image display device using same, electron multiplication material used for them and manufacturing method thereof - Google Patents

Abstract

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Description

Electron beam amplification unit, electron beam amplification device and flat panel image display device using same, electron multiplication material used for them and manufacturing method thereof

Since this is an open matter, no full text was included.

1 is a perspective view of a flatbed imager according to an embodiment of the present invention, FIG. 2 is an enlarged perspective view of an electron beam generating unit in the embodiment, and FIG. 3 is a perspective view of an electron beam guide body in the embodiment. 4 is a plan view showing a first modification of the coin guide.

Claims (20)

An image display apparatus having a fluorescent display surface and an electron beam connecting means for connecting at least one electron source and an electron beam emitted from the electron source in a vacuum chamber, wherein the electron beam is directed to the fluorescent display surface. And the magnetic beam is confined by the periodic magnetic lens periodically magnetized substantially parallel to the electron beam propagation direction over the entire length along the path, thereby confining the electron beam to the path. A flat panel image display device. An image display apparatus having an electron beam connecting means for connecting at least one electron source and an electron beam emitted from the electron source and a fluorescent display surface in a vacuum container, wherein the vacuum container is opposed to the fluorescent display surface. A magnetic film is formed on the vacuum side of the substantially flat plate-like structure to be formed and on the surface opposite to the surface thereof to form an electron beam guide body comprising a periodic magnetic field magnetized in substantially the same direction as the electron beam propagation. Flat panel image display device. An image display apparatus having at least one electron source in the vacuum vessel, an electron beam connecting means for connecting an electron beam emitted from the electron source, and a fluorescent display surface, the image display apparatus having substantially the same direction as the horizontal scanning direction of the image. For at least one or more electron sources arranged, a wall made of an insulating or high resistive material is formed three times the horizontal pixel number or the horizontal pixel number over the entire length in the electron beam advancing direction, and the arrangement direction of the wall And forming an electron beam guide body formed of periodic magnetic fields magnetized in substantially the same direction with respect to the battery beam traveling direction by forming thin films having magnetic properties on both sidewalls of the planar image display device. The flat panel image display apparatus according to claim 1, 2 or 3, wherein the electron beam guide member is formed of a magnetic material between amorphous phases. The flat panel image display device according to claim 1, 2 or 3, wherein the electron beam guide is formed of a vapor deposition film. The flat panel image display device according to claim 1, 2 or 3, wherein the electron beam guide is formed of at least frit glass and magnetic powder. 4. The plate-shaped image display apparatus according to claim 1, 2 or 3, wherein the magnetic powder contains at least barium ferrite or strontium ferrite. The method according to claim 3, wherein the wall is formed of a conductive material and at the sidewall in the arrangement direction of the wall, a depression is formed which is recessed with respect to the electron beam propagation direction, thereby substantially reducing the periodic electric field of the government in the direction of propagation of the electron beam. The plate-shaped image display device, characterized in that formed. The flat plate type image display apparatus according to claim 8, wherein a periodic electric field is formed by disposing a resistor in the recess to make the voltage relatively low. An image display apparatus having at least one electron source in a vacuum vessel, an electron beam focusing means for focusing an electron beam emitted from the electron source, and a fluorescent display surface, wherein the electron source is formed at one end of the glass substrate. The electron source heating is performed by the high melting point material disposed in the projection portion of one thermal insulation layer, and the electron beam quantity control of the electron source is capacitive or thermally insulated from the potential of the electron source. And a signal input to an electric circuit combined with an inductive element. A flat panel image display device comprising an electron multiplier and an image display unit integrated by applying a fluorescent substance on the final end of the electron beam amplifier as a transmissive multiplier. An electron multiplying material comprising glass and an oxide conductor as a main raw material, and having a conductive structure in which particles of the oxide conductor are connected in a mesh shape. The electron multiplying material according to claim 12, wherein the oxide conductor is RuO ₂ or a pyrochlor-type Ru compound or a compound of yarn. The electron multiplication material according to any one of claims 12 to 13, wherein the glass is a low melting glass having a Pbo of 50% or more. The glass is a low melting glass having a Pbo of 50% or more, and an electron multiplication material formed by firing or sintering a mixture containing particles of the glass and particles of the oxide conductor as a main raw material at a high temperature of 300 ° C or higher. Manufacturing method. 15. The electron multiplying material according to claim 14, wherein the mixture in which the particles of the glass and the particles of the oxide conductor are contained as a main raw material is sintered after the shape is formed using a printing process. An electron beam amplification unit characterized by coating a metal sheet having a plurality of openings approximately equal to or several times greater than or equal to the number of scanning points of the display device so as to cover almost the entire surface of the metal. 18. The electron beam amplifying apparatus according to claim 17, wherein the electron beam amplifying unit is integrated by stacking a plurality of electron beam amplification units and applying a voltage to both ends thereof so as to flow a leakage current. 19. The electron beam amplification according to claim 17 or 18, wherein the electron beam amplification unit has a material having a secondary electron multiplication ratio of 1 or more as the multiplication material of claims 13, 14 and 16. Device. An image display apparatus having at least one electron source in a vacuum vessel, an electron beam focusing means for connecting an electron beam emitted from the electron source, and a fluorescent display surface, wherein the claims 1 and 2 above. Or an electron beam amplifying apparatus in the electron beam guide body according to claim 3 and claim 17 or claim 19, wherein the electron beam amplifying apparatus is provided. ※ Note: The disclosure is based on the initial application.