| 发明名称 |
PHOTO CATHODES FOR ELECTRON IMAGE PROJECTION |
| 摘要 |
A photo cathode, employing silver as photoelectric material, with a layer of alkali or alkali earth metal on the silver, effective to lower the work function of the silver. |
| 申请公布号 |
EP0257528(B1) |
申请公布日期 |
1991.01.30 |
| 申请号 |
EP19870111980 |
申请日期 |
1987.08.18 |
| 申请人 |
FUJITSU LIMITED |
发明人 |
SAKAMOTO, KIICHI FUJITSU LTD PAT. DEP.;YASUDA, HIROSHI FUJITSU LTD PAT. DEP.;KUDOU, JINKO FUJITSU LTD PAT. DEP.;YAMADA, AKIO FUJITSU LTD PAT. DEP. |
| 分类号 |
G03F1/00;G03F1/20;H01J1/34;H01J9/12;H01J37/317;H01L21/027 |
主分类号 |
G03F1/00 |
| 代理机构 |
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