JPH0485643U - - Google Patents
Info
- Publication number
- JPH0485643U JPH0485643U JP12894890U JP12894890U JPH0485643U JP H0485643 U JPH0485643 U JP H0485643U JP 12894890 U JP12894890 U JP 12894890U JP 12894890 U JP12894890 U JP 12894890U JP H0485643 U JPH0485643 U JP H0485643U
- Authority
- JP
- Japan
- Prior art keywords
- emitter
- support plate
- electron gun
- field emission
- emission 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
- 239000012212 insulator Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electron Sources, Ion Sources (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12894890U JPH0485643U (2) | 1990-11-30 | 1990-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12894890U JPH0485643U (2) | 1990-11-30 | 1990-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0485643U true JPH0485643U (2) | 1992-07-24 |
Family
ID=31876382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12894890U Pending JPH0485643U (2) | 1990-11-30 | 1990-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0485643U (2) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010272334A (ja) * | 2009-05-21 | 2010-12-02 | Japan Ae Power Systems Corp | 電子線照射装置用電子線源 |
| EP2672502A1 (en) * | 2012-06-06 | 2013-12-11 | ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH | High brightness electron gun with moving condenser lens |
-
1990
- 1990-11-30 JP JP12894890U patent/JPH0485643U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010272334A (ja) * | 2009-05-21 | 2010-12-02 | Japan Ae Power Systems Corp | 電子線照射装置用電子線源 |
| EP2672502A1 (en) * | 2012-06-06 | 2013-12-11 | ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH | High brightness electron gun with moving condenser lens |
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