发明名称 |
Anisotropic pyrolytic graphite heater. |
摘要 |
A heater for an indirectly heated vacuum tube cathode is formed of anisotropic pyrolytic graphite in which current passes through the graphite in the "c" direction. <IMAGE> |
申请公布号 |
EP0632479(A1) |
申请公布日期 |
1995.01.04 |
申请号 |
EP19940304750 |
申请日期 |
1994.06.29 |
申请人 |
VARIAN ASSOCIATES, INC. |
发明人 |
TRESEDER, ROBERT C.;GRANT, THOMAS J. |
分类号 |
H01J1/22;H01J1/28 |
主分类号 |
H01J1/22 |
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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