发明名称 |
Method for sealing vacuum tube tips especially cathode tube tips, and machine for applying this method |
摘要 |
For sure sealing of the evacuation tips of vacuum tubes, the electric power supplied to the heating resistor of the sealing furnace is regulated for each treatment stage, the set value is pre-selected and laid down by a computer for the corresponding power generator.
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申请公布号 |
US4795392(A) |
申请公布日期 |
1989.01.03 |
申请号 |
US19870061471 |
申请日期 |
1987.06.15 |
申请人 |
VIDEOCOLOR |
发明人 |
FERRAGNI, CLEMENTE;MICCINATTI, ENZO |
分类号 |
H01J9/40;H01J9/46;H01J9/48;(IPC1-7):H01J9/40 |
主分类号 |
H01J9/40 |
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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