发明名称 |
Oxide-coated cathode and method of producing the same |
摘要 |
An oxide-coated cathode used for the electron tubes such as cathode ray tubes and camera tubes, comprising as the base a sintered product principally composed of an alkaline earth metal compound and a high-melting-point metal and having high heat conductivity and low specific resistance, said sintered product being either used singly or layered on a high-melting-point metal body containing a reducible element or elements as impurity, and an oxide cathode material coated on said base, and a method of producing such oxide-coated cathode.
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申请公布号 |
US4369392(A) |
申请公布日期 |
1983.01.18 |
申请号 |
US19800187701 |
申请日期 |
1980.09.16 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
HOTTA, SADAYOSHI;WATANABE, MASANORI |
分类号 |
H01J1/142;(IPC1-7):H01J1/14 |
主分类号 |
H01J1/142 |
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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