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JPH0831347A |
PURPOSE: To provide an electron source with microchips and excellent uniformity of an electron emission. CONSTITUTION: A radiant cathode electron source with microchips is comprised of a series of a cathode conductor 3 with multiple micr...
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JPH0810637B2 |
A RF electron gun, such as for use in a linear electron accelerator, having a cathode activating device which, in one embodiment, includes means for altering the phase of the accelerating electric field to accelerate emitted electrons in...
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JPH07335118A |
PURPOSE: To provide a manufacturing process of a semiconductor device having a plane edge surface by using the edge surface by regrowth as a etching surface of a single semiconductor. CONSTITUTION: The manufacturing process of a semicond...
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JPH07107829B2 |
Tips of emitters are protruded over a control electrode in a field emission cathode. The cathode is a part of an input cavity, and an anode facing the cathode is also a part of the input cavity. A voltage which is in the vicinity of a th...
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JPH07262935A |
PURPOSE: To give high resolution to images in the whole area of a screen by providing quadrupole lens having different lens functions in the horizontally scanning direction and in the vertically scanning direction. CONSTITUTION: An elect...
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JPH0793121B2 |
System for irradiating the surface of a substrate with atomic or molecular ions by rapid scanning of a beam in two dimensions over the surface of the substrate. A scanning system is shown for deflecting the beam in two dimensions relativ...
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JPH07254354A |
PURPOSE: To provide a field electron emission element with high efficiency of electron emission which can be operated by small drive power. CONSTITUTION: This field electron emission element has a substrate 3, an emitter electrode 7 lami...
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JPH07249366A |
PURPOSE: To provide an electron gun having an impregnated cathode which can maintain stable electron emission over a long period without disturbing the electric field of an electronic-lens system and greatly varying the structure and the...
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JPH0740240Y2 |
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JPH0785396B2 |
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JPH07220644A |
PURPOSE: To acceleratedly absorb ionized atomic and molecular residues which are desorbed and/or come into collision in a contaminant-absorbing layer by applying a proper potential between the contaminant-absorbing layer and a charged pa...
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JPH07220616A |
PURPOSE: To provide a thermoelectron emitter which has a prolonged life and of which the size precision is kept within a narrow range during operation, especially at the time when the temperature is changed. CONSTITUTION: This controllab...
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JPH0765564B2 |
An emission current control system for balancing the individual emission currents from an array of hollow cathodes has current sensors for determining the current drawn by each cathode from a power supply. Each current sensor has an outp...
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JPH0767054B2 |
The disclosed microwave distributed amplifier includes a plurality of cascaded field emission triodes, each having a field emission element for emitting electrons, a grid disposed downstream from the field emission element along the elec...
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JPH0762977B2 |
@ In order to improve the stability of a cold cathode (5) of the reverse biased junction type, the vacuum space (2) is coupled with a reservoir (10), within which a source (21) of material reducing the work function, for example caesium,...
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JPH07169146A |
PURPOSE: To simplify a structure and to miniaturize a product by swinging an elevating and lowering lever driving arm and an idler elevating and lowering lever entirely by an elastic means. CONSTITUTION: When conversion to a fast winding...
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JPH0760650B2 |
In a mounting device for electrically heated, spirally wound wire cathodes in electron guns, two mounting posts joined together by an insulator are configured as sector-shaped sections of a hollow cylinder, and have each a circumferentia...
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JPH0752633B2 |
PCT No. PCT/DE80/00086 Sec. 371 Date Feb. 8, 1982 Sec. 102(e) Date Feb. 8, 1982 PCT Filed Jun. 7, 1980 PCT Pub. No. WO81/03579 PCT Pub. Date Dec. 10, 1981.Apparatus for generating and controlling an electron gun in a vacuum envelope comp...
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JPH0750593B2 |
In a color cathode ray tube, a vacuum envelope is provided with a plurality of necks and a plurality of funnels for coupling the respective neck to a single panel. A plurality of electron gun assemblies are received in the neck, respecti...
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JPH0740462B2 |
A device for recording or displaying images or for electron lithographic or electron microscopic uses, comprising in an evacuated envelope (1) a target (7) on which at least one electron beam (6) is focussed. This beam is generated by me...
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JPH0718121Y2 |
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JPH07105831A |
PURPOSE: To improve the efficiency of focusing and deflection of an electron beam with respect to a shield by arranging electrodes on both sides of an electron source, and controlling the voltage to be applied. CONSTITUTION: An electron ...
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JPH0785807A |
PURPOSE: To reduce a so-called halo at the time of high current by restricting grid emission. CONSTITUTION: A heater 1, a cathode 3 which is heated by the heater 1 and emits electron, and grid electrodes G1, G2 for guiding the electron f...
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JPH0773820A |
PURPOSE: To improve the temperature stability of a high current electrode and stably form a precise image by forming an electron beam system for a TV picture tube with a cathode device, having a high current cathode and the first electro...
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JPH0722008B2 |
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JPH0737528A |
PURPOSE: To collect foreign matters in a tube into one place and attempt improving the picture quality by providing a collecting part having a storage space of the foreign matters, and a laying part which fixes it within a cathode-ray tu...
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JPH0729510A |
PURPOSE: To prevent the discharge caused in a neck part. CONSTITUTION: A projection 11C having a proper length is arranged on the tip of a support part 11A on one side of a support pin 11. This projection 11C is arranged on an under side...
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JPH0729484A |
PURPOSE: To provide a field emitting cathode in which the spreading of electrons emitted from an emitter is prevented without lowering the withstand voltage between an anode and the cathode. CONSTITUTION: A focusing electrode 7 for focus...
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JPH077648B2 |
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JPH0721903A |
PURPOSE: To prevent destruction of color balance caused by the difference in the amount of currents from cathodes and to restrict reduction in brightness due to high speed scanning, in a cathode-ray tube for which a field emission type c...
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JPH0697594B2 |
An electron beam controlled switch employing a radial geometry and a Wire-Ion Plasma-Electron gun (WIP E-gun) as an electron source is disclosed. The switch comprises an inner cylinder that serves as the WIP E-gun cathode, a cylindrical ...
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JPH06325690A |
PURPOSE: To provide a micro-chip indicator, capable of eliminating electric obstacles and satisfactory for resolution, and provided manufacture of its indicator. CONSTITUTION: Cathode luminescent anodes 4, 6 are formed on a one side insu...
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JPH0635357Y2 |
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JPH0664987B2 |
Positive ions which are generated in a vacuum tube (1) and can adversely affect the electron emission of a cathode (3) are collected for the major part by a screen grid or diaphragm (5), which forms part of a positive electron lens (4,5)...
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JPH06507270A |
PCT No. PCT/GB92/00835 Sec. 371 Date Feb. 3, 1994 Sec. 102(e) Date Feb. 3, 1994 PCT Filed May 8, 1992 PCT Pub. No. WO92/21141 PCT Pub. Date Nov. 26, 1992.The method includes the steps of assembling one or more blanks (1) in supporting me...
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JPH0629884Y2 |
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JPH0656743B2 |
This disclosure is concerned with automatically replenishable cold cathode structures and the like wherein the monitoring of a predetermined variation in electron beam performance caused by erosion of the cathode material generates contr...
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JPH0654641B2 |
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JPH06196107A |
PURPOSE: To restrain generation of an ion by short-circuiting accelerating and focusing electrodes or supplying a negative potential to the accelerating and focusing electrodes at the time of initial adjustment. CONSTITUTION: Switches 20...
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JPH06167627A |
PURPOSE: To provide a semiconductor laser array module having high coupling efficiency by forming spherical faces in a lens shape by electric discharge machining at the front ends of a glass waveguide formed by photolithography. CONSTITU...
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JPH06150838A |
PURPOSE: To increase beam power of a Pierce electron gun. CONSTITUTION: An electron gun has a cathode, a focusing electrode 22 surrounding the cathode, an anode 12 arranged at the specified distance from the cathode, an opening 24 passin...
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JPH06139918A |
PURPOSE: To restrict an extracted electron beam from spreading, and achieve scan of the beam by forming an extraction electrode, a focusing electrode, and a deflection electrode integrally on a substrate. CONSTITUTION: An extraction elec...
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JPH06131983A |
PURPOSE: To provide an electron gun emitting modulated electron beams by arranging a switching device in series to a cathode high voltage supply means, containing a light source and a photo conducting device in a control device, and cont...
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JPH06124650A |
PURPOSE: To provide an accelerating tube capable of surely accelerating electron flow at a determined speed in a determined direction. CONSTITUTION: In an accelerating tube formed of a plurality of ring electrodes 2 arranged in parallel ...
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JPH06103921A |
PURPOSE: To obtain an electrostatic lens which is large in diameter and manufacturable with high accuracy. CONSTITUTION: Electrodes 6a and 6b are formed by coating the side wall surface of a cylinder 4 made of an insulating material with...
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JPH0612599Y2 |
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JPH0689675A |
PURPOSE: To reduce the cost of flat panel electric field emission indicator by applying voltage through a single impedance means to all of the plural micro point emit means that provided each impedance means. CONSTITUTION: Voltage V2 is ...
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JPH0684478A |
PURPOSE: To provide an electron source having a first set of electrodes and a second set of electrodes to reduce the danger of short-circuit by a method wherein opening parts of both sets of the electrodes are dislocated so as not to ove...
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JPH0622102B2 |
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JPH06502512A |
Methods and apparatus for providing signal modulation or control of collector initialized and sustained field emission in field emitter devices without input circuit loading. A special control gate is used to modulate emission with no re...
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