JPH0485642U - - Google Patents
Info
- Publication number
- JPH0485642U JPH0485642U JP12894990U JP12894990U JPH0485642U JP H0485642 U JPH0485642 U JP H0485642U JP 12894990 U JP12894990 U JP 12894990U JP 12894990 U JP12894990 U JP 12894990U JP H0485642 U JPH0485642 U JP H0485642U
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- heating
- detection
- generation circuit
- type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 1
Landscapes
- Electron Sources, Ion Sources (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12894990U JPH0485642U (cs) | 1990-11-30 | 1990-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12894990U JPH0485642U (cs) | 1990-11-30 | 1990-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0485642U true JPH0485642U (cs) | 1992-07-24 |
Family
ID=31876383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12894990U Pending JPH0485642U (cs) | 1990-11-30 | 1990-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0485642U (cs) |
-
1990
- 1990-11-30 JP JP12894990U patent/JPH0485642U/ja active Pending
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