发明名称 |
DIRECTTHEATED CATHODE STRUCTURE |
摘要 |
PURPOSE:To prevent oxides such as BaO from peeling-off from a substrate by the provision of a Zr metal layer on the carbonate coated surface of a substrate composed of W-containing Ni alloy. |
申请公布号 |
JPS5291642(A) |
申请公布日期 |
1977.08.02 |
申请号 |
JP19760007497 |
申请日期 |
1976.01.28 |
申请人 |
HITACHI LTD |
发明人 |
SANKAKU AKIRA |
分类号 |
H01J1/15;H01J1/13;H01J1/14 |
主分类号 |
H01J1/15 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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