JPH02113257U - - Google Patents
Info
- Publication number
- JPH02113257U JPH02113257U JP6844688U JP6844688U JPH02113257U JP H02113257 U JPH02113257 U JP H02113257U JP 6844688 U JP6844688 U JP 6844688U JP 6844688 U JP6844688 U JP 6844688U JP H02113257 U JPH02113257 U JP H02113257U
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- anode
- hole
- magnetic field
- electrode
- 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 4
- 230000004907 flux Effects 0.000 claims description 3
- 238000010894 electron beam technology Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Electron Sources, Ion Sources (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6844688U JPH02113257U (fr) | 1988-05-24 | 1988-05-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6844688U JPH02113257U (fr) | 1988-05-24 | 1988-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02113257U true JPH02113257U (fr) | 1990-09-11 |
Family
ID=31293761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6844688U Pending JPH02113257U (fr) | 1988-05-24 | 1988-05-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02113257U (fr) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6199255A (ja) * | 1984-10-19 | 1986-05-17 | Jeol Ltd | ライン状電子ビ−ム発生装置 |
| JPS62108439A (ja) * | 1985-11-05 | 1987-05-19 | Hitachi Ltd | 電界放射形電子銃 |
-
1988
- 1988-05-24 JP JP6844688U patent/JPH02113257U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6199255A (ja) * | 1984-10-19 | 1986-05-17 | Jeol Ltd | ライン状電子ビ−ム発生装置 |
| JPS62108439A (ja) * | 1985-11-05 | 1987-05-19 | Hitachi Ltd | 電界放射形電子銃 |