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1.发明授权公开(公告)号：US09349561B2
公开(公告)日：2016-05-24
申请号：US13340701
申请日：2011-12-30
申请人： Jinshu Wang , Wei Liu , Fan Yang , Xiang Liu , Hongyi Li , Meiling Zhou , Tieyong Zuo
发明人： Jinshu Wang , Wei Liu , Fan Yang , Xiang Liu , Hongyi Li , Meiling Zhou , Tieyong Zuo
摘要： Impregnated rare earth metal-containing barium-aluminum-scandate cathodes with a rare earth oxide doped tungsten matrix and methods for the fabrication thereof are described. In one aspect, an impregnated rare earth metal-containing barium-aluminum-scandate cathode comprises: a rare earth oxide doped tungsten matrix, and an impregnated active substance. The active substance comprises scandium oxide (Sc2O3), a second rare earth oxide, and barium calcium aluminate, wherein the molar ratio of Ba:Ca:Al is about 4:1:1.
摘要翻译： 描述了具有稀土氧化物掺杂钨基体的含浸稀土金属的钡 - 铝 - 钪酸盐阴极及其制造方法。 一方面，含浸稀土金属的钡 - 铝 - 钪酸盐阴极包括：掺杂稀土氧化物的钨基体和浸渍的活性物质。 活性物质包含氧化钪（Sc 2 O 3），第二稀土氧化物和铝酸钡钙，其中Ba:Ca:Al的摩尔比为约4:1:1。
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公开(公告)号：US06771014B2
公开(公告)日：2004-08-03
申请号：US09949480
申请日：2001-09-07
IPC分类号： H01J2946
摘要： A cathode system includes an impregnated pellet and a conductive cup, which has substantially cylindrical sides. The conductive cup has an open end sized to receive the impregnated pellet and a closed end. The closed end has an internal surface and an external surface. The cathode system also includes a second conductive cup. The second conductive cup also has substantially cylindrical sides, an open end and a closed end. The cathode system further includes a similar third conductive cup. The three conductive cups are electrically coupled together. For construction of the cathode, the first conductive cup receives the impregnated pellet following coupling of the three conductive cups.
摘要翻译： 阴极系统包括浸渍的颗粒和具有基本圆柱形侧面的导电杯。 导电杯具有开口端尺寸以容纳浸渍的颗粒和封闭端。 封闭端具有内表面和外表面。 阴极系统还包括第二导电杯。 第二导电杯还具有基本上圆柱形的侧面，开口端和封闭端。 阴极系统还包括类似的第三导电杯。 三个导电杯电耦合在一起。 为了构造阴极，第一导电杯在三个导电杯的联接之后接收浸渍的颗粒。
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公开(公告)号：US20030034724A1
公开(公告)日：2003-02-20
申请号：US10204945
申请日：2002-08-27
发明人： Daichi Imabayashi
IPC分类号： H01J019/02 , H01J009/02
CPC分类号： H01J1/28 , H01J9/047 , Y10T29/49002
摘要： An impregnated type cathode unit and a manufacturing method therefor wherein a porous metal base and a cup member can be firmly joined together without using any interposition and the occurrence of weld defects can be eliminated to improve the reliability and yield of welding between the porous metal base and the cup member. The impregnated type cathode unit is composed of a porous metal base (11) impregnated with an electron emissive material and a cup member (12) for holding the porous metal base (11) so as to cover the bottom surface and side surface of the porous metal base (11) and expose the front surface of the porous metal base (11). A nonporous dense portion (14) is formed on the bottom surface of the porous metal base (11). The bottom portion of the cup member (12) is pressed to be deformed so as to follow the shape of the dense portion (14), thereby forming a close contact region (16). The bottom portion of the cup member (12) and the dense portion (14) of the porous metal base (11) are welded together at the close contact region (16).
摘要翻译： 一种浸渍型阴极单元及其制造方法，其中多孔金属基底和杯形构件可以牢固地接合在一起而不需要任何插入，并且可以消除焊接缺陷的发生，从而提高多孔金属基底之间的焊接的可靠性和产量 和杯子。 浸渍型阴极单元由浸渍有电子发射材料的多孔金属基底（11）和用于保持多孔金属基底（11）的杯状构件（12）构成，以覆盖多孔金属基底的底表面和侧表面 金属基体（11）并露出多孔金属基底（11）的前表面。 在多孔金属基体（11）的底面形成无孔致密部（14）。 杯部件（12）的底部被按压以使其跟随致密部分（14）的形状变形，从而形成紧密接触区域（16）。 杯状构件（12）的底部和多孔金属基底（11）的致密部分（14）在紧密接触区域（16）处焊接在一起。
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公开(公告)号：US06376975B1
公开(公告)日：2002-04-23
申请号：US09110792
申请日：1998-07-06
申请人： Satoru Nakagawa
发明人： Satoru Nakagawa
IPC分类号： H01J114
摘要： An impregnated cathode whose initial electron emitting performance, lifetime property, and insulating property for an electron gun are excellent and that is suitable for mass production, and a method for manufacturing the same. In the impregnated cathode, the porosity of the sintered body of porous metal is continuously increased as the distance in the depth direction from an electron emitting face is increased. A pellet of sintered body of metal raw material has pores in it. The pores are filled with electron emitting material. The porosity is continuously increased as the distance in the depth direction from an electron emitting face is increased. Thus, since the discontinuity inside the pellet is not formed, a reaction generating free Ba continuously and smoothly proceeds on the entire pellet. In addition, since raw material powder having more than one kind of particle size is not necessary to be used, the manufacturing process can be simplified. Moreover, various functions such as lifetime property, etc. can be improved by making the porosity and porosity distribution in a certain range.
摘要翻译： 其电子枪的初始电子发射性能，寿命特性和绝缘性能优异且适合于批量生产的浸渍阴极及其制造方法。 在浸渍的阴极中，随着电子发射面的深度方向的距离增加，多孔金属的烧结体的孔隙率不断增加。 金属原料烧结体的颗粒中有孔。 孔被电子发射材料填充。 随着距离电子发射面的深度方向的距离增加，孔隙率不断增加。 因此，由于不形成丸粒内部的不连续性，因此在整个丸粒上连续且平稳地进行产生游离Ba的反应。 此外，由于不需要使用具有多种粒径的原料粉末，因此可以简化制造工艺。 此外，通过使孔隙率和孔隙率分布在一定范围内，可以改善诸如寿命性质等各种功能。
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公开(公告)号：US06252342B1
公开(公告)日：2001-06-26
申请号：US09200193
申请日：1998-11-25
申请人： Seung Yul Lee , Ji Hong Lee , Jae Dong Park
发明人： Seung Yul Lee , Ji Hong Lee , Jae Dong Park
IPC分类号： H01J128
摘要： Disclosed is an impregnated cathode structure for a cathode ray tube and its manufacturing method, in which electron emitting material impregnated in a pellet is free from an effect of the welding heat generated when the pellet is secured to a heater sleeve. The impregnated cathode structure has a pellet assembly including a pellet and a pellet fixing sheet. The pellet is attached to a first surface of the pellet fixing sheet, which has a plurality of protuberances. The pellet is manufactured by pressing and sintering, and impregnating electron emitting material into the porous of the pellet. The pellet sleeve is inserted in and welded to a heater sleeve. A heater sleeve is welded to a second surface of the pellet fixing sheet, which is opposite to the first surface.
摘要翻译： 公开了一种用于阴极射线管的浸渍阴极结构及其制造方法，其中浸渍在颗粒中的电子发射材料不受到当颗粒固定在加热套上时产生的焊接热的影响。 浸渍的阴极结构具有包括颗粒和颗粒固定片的颗粒组件。 该颗粒附着在具有多个突起的颗粒固定片的第一表面上。 颗粒通过压制和烧结制造，并将电子发射材料浸渍到颗粒的多孔中。 将颗粒套筒插入并焊接到加热器套筒上。 加热套管焊接在与第一表面相对的颗粒固定片的第二表面上。
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6.发明授权Thermionic cathode using oxygen deficient and fully oxidized material for high electron density emissions 失效使用氧缺乏和完全氧化的材料用于高电子密度排放的热阴极
公开(公告)号：US5828164A
公开(公告)日：1998-10-27
申请号：US647502
申请日：1996-05-14
摘要： A method is provided of preparing an impregnated cathode with enhanced thionic emission from a porous billet by impregnating the billed with a suitable impregnant in the presence of an oxygen deficient compound. Additives such as Ir, Os, and Rh react in such a way as to increase emission by reacting to generate oxygen deficient compounds such as WO.sub.2. Moreover, intermediate oxygen sufficient products formed in the chemical reactions can be used as impregnants providing they generate oxygen deficient compounds in the presence of the active emissive material.
摘要翻译： 提供了一种通过在缺氧化合物的存在下浸渍用合适的浸渍剂进行浸渍来制备具有来自多孔坯料的增强的热离子发射的浸渍阴极的方法。 添加剂如Ir，Os和Rh以这样的方式进行反应，即通过反应产生缺氧化合物如WO2来增加排放。 此外，在化学反应中形成的中间氧足够的产物可用作浸渍剂，只要它们在活性发射材料存在下产生缺氧化合物即可。
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公开(公告)号：US4810926A
公开(公告)日：1989-03-07
申请号：US72720
申请日：1987-07-13
摘要： An extremely long-life, highly reproducible cathode is produced by preparing a porous sintered metal matrix, impregnating the matrix with a reagent containing a transition metal to modify the surface structure of the matrix, and then impregnating the surface-modified metal matrix with a barium-containing reagent to produce a cathode structure in which barium atoms are held in a metal-metal interaction with the transition metals and the surface of the matrix. In a preferred embodiment, the transition metal oxide is TiO.sub.2. This produces a barium/transition metal oxide surface structure which permits cathode operating temperatures on the order of 650 degrees C. The barium is stable and is retained on the surface of the metal matrix, so further dispensing is not required.
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8.发明授权
公开(公告)号：US4752462A
公开(公告)日：1988-06-21
申请号：US913032
申请日：1986-09-29
摘要： An improved process for fabricating barium calcium aluminum impregnants for dispenser cathodes is described. The resulting cathodes have improved lifetimes and reliability through the use of organometallic starting materials in the impregnant process.
摘要翻译： 描述了用于制造用于分配器阴极的钡钙铝浸渍剂的改进方法。 所得的阴极通过在浸渍工艺中使用有机金属原料而具有改善的寿命和可靠性。
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9.发明授权Method of making a long life high current density cathode from tungsten and iridium powders using a barium iridiate as the impregnant 失效使用氯化钡作为浸渍剂从钨和铱粉末制造长寿命高电流密度阴极的方法
公开(公告)号：US4735591A
公开(公告)日：1988-04-05
申请号：US46343
申请日：1987-04-15
摘要： A long life high current density cathode is made from a mixture of tungstennd iridium powders using a barium iridiate as the impregnant by processing the mixture of powders with an activator into a porous billet, and then impregnating the billet with a barium iridiate by firing the billet in a dry hydrogen furnace at a temperature at which the impregnant melts.
摘要翻译： 长寿命高电流密度阴极由钨和铱粉末的混合物制成，使用氯化钡作为浸渍剂，通过将粉末与活化剂的混合物加工成多孔坯料，然后通过烧制钡浸渍 坯料在浸渍剂熔化的温度下在干燥氢炉中进行。
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公开(公告)号：US4734073A
公开(公告)日：1988-03-29
申请号：US919959
申请日：1986-10-10
申请人： Bernard Smith , Louis E. Branovich
发明人： Bernard Smith , Louis E. Branovich
摘要： The face of a cathode surface is machined to provide a spiral surface fin with microscopic sharp symmetrical protrusions. The cathode gives enhanced emission due to field emission generated at the sharp symmetrical protrusions and due to the increased surface area.
摘要翻译： 加工阴极表面以提供具有微观尖锐对称突起的螺旋表面光洁度。 阴极由于在尖锐的对称突起处产生的场发射和由于增加的表面积而产生增强的发射。
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