| 发明名称 |
Method of preparing an impregnated cathode with an enhanced thermionic emission from a porous billet and cathode so prepared |
| 摘要 |
A method is provided of preparing an impregnated cathode with enhanced thermionic emission from a porous billet by impregnating the billet with a suitable impregnant in the presence of an oxygen deficient compound.
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| 申请公布号 |
US5298830(A) |
申请公布日期 |
1994.03.29 |
| 申请号 |
US19920866773 |
申请日期 |
1992.04.03 |
| 申请人 |
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE ARMY |
发明人 |
BRANOVICH, LOUIS E.;ECKART, DONALD W. |
| 分类号 |
H01J1/28;H01J9/04;(IPC1-7):H01J1/14 |
主分类号 |
H01J1/28 |
| 代理机构 |
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