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    • 1. 发明公开
    • Dispenser Cathode
    • 饮水机阴极
    • EP1959473A3
    • 2008-09-03
    • EP08157352.9
    • 2004-02-13
    • Mapper Lithography IP B.V.
    • Kruit, PieterSteenbrink, Stijn Willem Herman Karel
    • H01J1/28
    • H01J37/065B82Y10/00B82Y40/00H01J1/28H01J37/3177H01J2237/3175H01J2237/31754H01J2237/31774
    • A dispenser cathode which comprises an emission surface (4), a reservoir for material releasing (2), when heated, work-function-lowering particles, and at least one passage (7) for allowing diffusion of work-function-lowering particles from said reservoir to said emission surface, said emission surface comprising at least one emission area (9) and at least one non-emission area (8) covered with emission-suppressing material and surrounding each emission area, said non-emission area comprising at least one passage connecting said reservoir with said non-emission area and debouching within a diffusion length distance from an emission area for allowing diffusion of work-function-lowering particles from said reservoir to said emission area.
    • 一种分配器阴极,其包括发射表面(4),用于材料释放的储存器(2),当被加热时,功函数降低颗粒以及用于允许功函数降低颗粒从其扩散的至少一个通道(7) 所述储存器至所述发射表面,所述发射表面包括至少一个发射区域(9)和至少一个非发射区域(8),所述至少一个非发射区域覆盖有抑制发射的材料并且围绕每个发射区域,所述非发射区域至少包括 一个通道将所述储存器与所述非发射区域连接并且在距离发射区域的扩散长度距离内进行泄漏,以允许功函数降低颗粒从所述储存器扩散至所述发射区域。
    • 8. 发明公开
    • Directly heated cathode structure and manufacturing method thereof
    • Direkt gehitzte Kathodenstruktur und Verfahren zur Herstellung
    • EP0720198A1
    • 1996-07-03
    • EP95309471.1
    • 1995-12-27
    • SAMSUNG DISPLAY DEVICES CO., LTD.
    • Chang-seob, KimSeok-bong, SonSang-kyun, KimBong-uk,Jeong
    • H01J1/15H01J1/28H01J9/04
    • H01J1/28H01J2201/281
    • A directly heated cathode structure includes a porous pellet (500) in which cathode material is impregnated, a first metal member (510) being fixed to the lower surface of the porous pellet (500), a second metal member (520) being welded with the first metal member (510), and a filament (600) being interposed between the first and second metal members. A method for manufacturing a directly heated cathode structure includes the steps of manufacturing a porous pellet (500) having a multiplicity of cavities, welding a first metal member (510) to the lower surface of the porous pellet by a brazing layer (700), impregnating electron radiating material (600) into the cavities of the pellet, and welding a second metal member (520) to the first metal member (510) so that a filament (600) is disposed between the first and second metal members. Life of the cathode structure is prolonged by this because thermions are not emitted through the lower surface of the pellet.
    • 直接加热的阴极结构包括其中浸渍有阴极材料的多孔颗粒(500),固定到多孔颗粒(500)的下表面的第一金属构件(510),第二金属构件(520) 第一金属构件(510)和插入在第一和第二金属构件之间的细丝(600)。 制造直接加热的阴极结构体的方法包括以下步骤:制造具有多个空腔的多孔颗粒(500),通过钎焊层(700)将第一金属构件(510)焊接到多孔颗粒的下表面; 将电子辐射材料(600)浸渍到颗粒的空腔中,并将第二金属构件(520)焊接到第一金属构件(510),使得细丝(600)设置在第一和第二金属构件之间。 阴极结构的寿命由此延长,因为热不会通过颗粒的下表面发射。