发明名称 |
WATER VAPOR RELEASING COMPOSITION OF MATTER AND DEVICE, AND PROCESS FOR THEIR USE |
摘要 |
A device for releasing water vapor in electron tubes comprises a holder and a water vapor releasing material carried by said holder. In one embodiment the water vapor releasing material is a hydroxide or hydrated oxide of a metallic element in combination with a binder. In another embodiment it is hydrated alumina.
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申请公布号 |
US4066309(A) |
申请公布日期 |
1978.01.03 |
申请号 |
US19750556929 |
申请日期 |
1975.03.10 |
申请人 |
S.A.E.S. GETTERS S.P.A. |
发明人 |
HELLIER, STEPHEN J. |
分类号 |
H01J7/02;H01J7/18;H01J7/20;H01J9/38;H01J29/94;(IPC1-7):H01J9/38 |
主分类号 |
H01J7/02 |
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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