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    Method of treating tungsten cathodes
    41.
    发明授权
    Method of treating tungsten cathodes 失效
    钨阴极处理方法

    公开(公告)号：US4836816A

    公开(公告)日：1989-06-06

    申请号：US191104

    申请日：1988-05-06

    Applicant: Andre C. Bouchard ,  Paul A. Thibault

    Inventor： Andre C. Bouchard ,  Paul A. Thibault

    IPC: H01J9/04 ,  H01J61/067

    CPC classification number: H01J61/0677 ,  H01J9/042

    Abstract: A method of treating a tungsten cathode that is comprised of coating the surface of the tungsten cathode with a triple carbonate suspension. The coated tungsten cathode is placed in a heated oxidizing environment (e.g., air, oxygen, or carbon dioxide) and heated for a sufficient amount of time in order to form a diffuse coating of triple carbonates and tungsten oxide. Thereafter, the triple carbonates are reduced to their respective oxides by passing heater current through the tungsten cathode. When used in conjunction with the manufacture of a fluorescent lamp, the formation of this diffuse coating of carbonates enhances the chances of forming barium tungstate during the cathode activation process. As a result, the life of the fluorescent lamp is increased and the amount of phosphor darkening is reduced.

    Abstract translation: 一种处理钨阴极的方法，其包括用三重碳酸盐悬浮液涂覆钨阴极的表面。 将涂覆的钨阴极置于加热的氧化环境（例如空气，氧气或二氧化碳）中并加热足够的时间以形成三重碳酸盐和氧化钨的漫射涂层。 此后，通过使加热器电流通过钨阴极，将三重碳酸盐还原成它们各自的氧化物。 当与荧光灯的制造结合使用时，形成碳酸盐扩散涂层增加了在阴极活化过程中形成钨酸钡的机会。 结果，荧光灯的寿命增加，并且荧光体变暗的量减少。

    Method for preparing electron emissive coatings
    42.
    发明授权
    Method for preparing electron emissive coatings 失效
    电子发射涂层的制备方法

    公开(公告)号：US3951874A

    公开(公告)日：1976-04-20

    申请号：US487082

    申请日：1974-07-10

    Applicant: Edmund R. Kern

    Inventor： Edmund R. Kern

    IPC: H01J9/04 ,  H01J61/067 ,  H01B1/06

    CPC classification number: H01J9/04 ,  H01J61/0677

    Abstract: An improved emissive tantalate coating for fluorescent lamps provides long operational lamp life and low lamp end discoloration. The emissive tantalate has the composition Ba.sub.5 Ca.sub.4 Ta.sub.2 O.sub.14 and is applied in powder form to standard fluorescent lamp electrodes.

    Abstract translation: 用于荧光灯的改进的发光钽涂层提供长的操作灯寿命和低的灯端变色。 发光钽酸盐具有组成Ba5Ca4Ta2O14，并以粉末形式应用于标准荧光灯电极。

    Metal electrodes for electric plasma discharge devices
    48.
    发明授权
    Metal electrodes for electric plasma discharge devices 失效
    用于电浆放电装置的金属电极

    公开(公告)号：US07893617B2

    公开(公告)日：2011-02-22

    申请号：US11365408

    申请日：2006-03-01

    Applicant: Timothy John Sommerer ,  David John Smith

    Inventor： Timothy John Sommerer ,  David John Smith

    IPC: H01J11/00 ,  H01J17/00

    CPC classification number: H01J61/70 ,  H01J61/0677

    Abstract: An all-metal electron emissive structure for low-pressure lamps is disclosed. The all-metal electron emissive structure consisting of one or more metal is operable to emit electrons in response to a thermal excitation, wherein an active region of the electron emissive structure under steady state operating conditions has a temperature greater than about 1500 degree K, and wherein the cathode fall voltage in the discharge medium under steady state operating conditions is less than about 100 volts. A lamp including an envelope, an electrode including the all-metal electron emissive structure, and a medium, is also disclosed.

    Abstract translation: 公开了一种用于低压灯的全金属电子发射结构。 由一种或多种金属组成的全金属电子发射结构可操作以响应于热激发发射电子，其中在稳态操作条件下电子发射结构的有源区具有大于约1500度K的温度，以及 其中在稳态操作条件下放电介质中的阴极下降电压小于约100伏特。 还公开了一种包括外壳，包括全金属电子发射结构的电极和介质的灯。

    Discharge lamp and electrode for use in the same
    49.
    发明申请
    Discharge lamp and electrode for use in the same 失效
    放电灯和电极用于相同

    公开(公告)号：US20100156270A1

    公开(公告)日：2010-06-24

    申请号：US12659146

    申请日：2010-02-26

    Applicant: Hiroshi Takahashi ,  Yukio Hara ,  Masahiro Kikuchi ,  Yoshiichi Horikoshi ,  Hiroto Watanabe ,  Ryouichi Yoshida

    Inventor： Hiroshi Takahashi ,  Yukio Hara ,  Masahiro Kikuchi ,  Yoshiichi Horikoshi ,  Hiroto Watanabe ,  Ryouichi Yoshida

    IPC: H01J61/04

    CPC classification number: H01J61/0672 ,  H01J61/0677

    Abstract: It is possible to enhance the luminance of a cold-cathode type discharge lamp and to contribute to a prolongation of service life thereof. A discharge lamp 1 is provided with an electrode 3 having a cup 4 with such a shape that a bottom is provided at each of both opposed ends of the glass tube 2. The cup 4 is connected to a lead-in wire 8 which is inserted through the end of the glass tube 2 and held thereby. The collision-preventing ring 5 covering an end surface of the cup 4 is provided to the open end 4a of the cup 4. The porous tungsten disk 6 impregnated with a ternary metal oxide composed of barium (Ba), aluminum (Al), and calcium (Ca) as an electron emission material is provided at a bottom in an inside of the cup 4.

    Abstract translation: 可以提高冷阴极型放电灯的亮度，有助于延长其使用寿命。 放电灯1设置有具有杯4的电极3，其具有在玻璃管2的两个相对端中的每一个处设置底部的形状。杯4连接到插入的引入线8 通过玻璃管2的端部并由此保持。 覆盖杯4的端面的防撞环5设置在杯4的开口端4a上。浸渍有由钡（Ba），铝（Al）和（Al）构成的三元金属氧化物的多孔钨盘6 作为电子发射材料的钙（Ca）设置在杯4的内部的底部。

    Electrode materials for electric lamps and methods of manufacture thereof
    50.
    发明授权
    Electrode materials for electric lamps and methods of manufacture thereof 失效
    电灯用电极材料及其制造方法

    公开(公告)号：US07633226B2

    公开(公告)日：2009-12-15

    申请号：US11289955

    申请日：2005-11-30

    Applicant: Joseph Darryl Michael ,  John Anthony DeLuca

    Inventor： Joseph Darryl Michael ,  John Anthony DeLuca

    IPC: H01J17/20 ,  H01J61/12

    CPC classification number: H01J61/0677

    Abstract: An electron emissive material includes a composition including a metal oxide, where the metal oxide is at least one oxide of La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y, Sc, Hf, or Zr, or any combinations thereof, where the metal oxide is present in a quantity that ranges from about 20% to 100% by weight of the total composition, where the composition is operable to emit electrons in a discharge medium in response to a thermal excitation, wherein the discharge medium under steady state operating conditions producing a total vapor pressure of less than about 2×105 Pa. A lamp including an envelope, an electrode including an electron emissive material and a discharge medium, is also disclosed.

    Abstract translation: 电子发射材料包括包含金属氧化物的组合物，其中金属氧化物是La，Ce，Pr，Nd，Pm，Sm，Eu，Gd，Tb，Dy，Ho，Er，Tm，Yb， Lu，Y，Sc，Hf或Zr或其任何组合，其中金属氧化物的存在量为总组合物重量的约20％至100％，其中组合物可操作地发射电子 响应于热激发的放电介质，其中在稳态操作条件下的放电介质产生小于约2×105Pa的总蒸气压。包括外壳，包括电子发射材料的电极和放电介质的灯是 也披露。

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