JPH02115242U - - Google Patents
Info
- Publication number
- JPH02115242U JPH02115242U JP2429189U JP2429189U JPH02115242U JP H02115242 U JPH02115242 U JP H02115242U JP 2429189 U JP2429189 U JP 2429189U JP 2429189 U JP2429189 U JP 2429189U JP H02115242 U JPH02115242 U JP H02115242U
- Authority
- JP
- Japan
- Prior art keywords
- filament
- emitting portion
- long side
- electron emitting
- generating
- 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
Landscapes
- Electron Sources, Ion Sources (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2429189U JPH02115242U (cs) | 1989-03-02 | 1989-03-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2429189U JPH02115242U (cs) | 1989-03-02 | 1989-03-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02115242U true JPH02115242U (cs) | 1990-09-14 |
Family
ID=31244021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2429189U Pending JPH02115242U (cs) | 1989-03-02 | 1989-03-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02115242U (cs) |
-
1989
- 1989-03-02 JP JP2429189U patent/JPH02115242U/ja active Pending
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