JPH02101452U - - Google Patents
Info
- Publication number
- JPH02101452U JPH02101452U JP1015789U JP1015789U JPH02101452U JP H02101452 U JPH02101452 U JP H02101452U JP 1015789 U JP1015789 U JP 1015789U JP 1015789 U JP1015789 U JP 1015789U JP H02101452 U JPH02101452 U JP H02101452U
- Authority
- JP
- Japan
- Prior art keywords
- directly heated
- heated cathode
- pair
- utility
- registration request
- 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 description 2
- 239000004020 conductor Substances 0.000 claims 1
Landscapes
- Solid Thermionic Cathode (AREA)
- Electron Sources, Ion Sources (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1015789U JPH02101452U (de) | 1989-01-30 | 1989-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1015789U JPH02101452U (de) | 1989-01-30 | 1989-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02101452U true JPH02101452U (de) | 1990-08-13 |
Family
ID=31217569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1015789U Pending JPH02101452U (de) | 1989-01-30 | 1989-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02101452U (de) |
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1989
- 1989-01-30 JP JP1015789U patent/JPH02101452U/ja active Pending