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公开(公告)号：US5598062A
公开(公告)日：1997-01-28
申请号：US547990
申请日：1995-10-25
Applicant: Yoshiki Iigami
Inventor： Yoshiki Iigami
Abstract: A transparent photocathode comprises a silver layer formed on a transparent substrate, comprising silver particles having an average diameter of 80 to 200 nm, and a silver oxide layer, potassium layer, and a cesium layer. As a result of the silver layer comprising silver particles having dispersive diameters, the transparent photocathode can selectively achieve high sensitivity to an infrared region of near 1.5 .mu.m wavelength.
Abstract translation: 透明光电阴极包括形成在透明基板上的银层，其包含平均直径为80至200nm的银颗粒，以及氧化银层，钾层和铯层。 由于包含具有分散直径的银颗粒的银层的结果，透明光电阴极可以选择性地实现对近1.5μm波长的红外区域的高灵敏度。
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公开(公告)号：US4725758A
公开(公告)日：1988-02-16
申请号：US872289
申请日：1986-06-10
Applicant: Yoshiki Iigami
Inventor： Yoshiki Iigami
Abstract: A photocathode including a first silver layer formed on a transparent substrate by vacuum deposition, a silver oxide layer formed in such a manner that oxygen gas is introduced and electric discharge is caused in the oxygen gas thus introduced to oxide the surface of the first silver layer, a potassium layer formed on the silver oxide layer in such a manner that the substrate and the first silver layer are heated and potassium is vacuum-deposited on the silver oxide layer, a sodium layer formed on the potassium layer by vacuum-depositing sodium with the potassium layer heated, a second silver layer formed on the sodium layer by vacuum-depositing silver, a cesium layer formed on the second silver layer by vacuum-depositing cesium, and a third silver layer formed on the cesium layer by vacuum-depositing silver.
Abstract translation: 包括通过真空沉积形成在透明基板上的第一银层的光电阴极，以引入氧气的方式形成的氧化银层和由此引入氧气中的氧气在第一银层的表面上发生放电 形成在氧化银层上的钾层，以使基板和第一银层被加热并且钾被真空沉积在氧化银层上，通过真空沉积钠形成在钾层上的钠层， 加热钾层，通过真空沉积银形成在钠层上的第二银层，通过真空沉积铯形成在第二银层上的铯层，以及通过真空沉积银形成在铯层上的第三银层 。
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