JPS63172931U - - Google Patents
Info
- Publication number
- JPS63172931U JPS63172931U JP6652687U JP6652687U JPS63172931U JP S63172931 U JPS63172931 U JP S63172931U JP 6652687 U JP6652687 U JP 6652687U JP 6652687 U JP6652687 U JP 6652687U JP S63172931 U JPS63172931 U JP S63172931U
- Authority
- JP
- Japan
- Prior art keywords
- thermionic emitter
- mass spectrometry
- test device
- leak test
- spectrometry leak
- 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
- 238000004949 mass spectrometry Methods 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 229910052746 lanthanum Inorganic materials 0.000 claims description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6652687U JPS63172931U (enrdf_load_stackoverflow) | 1987-04-30 | 1987-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6652687U JPS63172931U (enrdf_load_stackoverflow) | 1987-04-30 | 1987-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63172931U true JPS63172931U (enrdf_load_stackoverflow) | 1988-11-10 |
Family
ID=30904613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6652687U Pending JPS63172931U (enrdf_load_stackoverflow) | 1987-04-30 | 1987-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63172931U (enrdf_load_stackoverflow) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5763744A (en) * | 1980-10-02 | 1982-04-17 | Fujitsu Ltd | Electron gun |
| JPS57128436A (en) * | 1981-02-02 | 1982-08-10 | Koichi Kanetani | Manufacture of lanthanum-boride thermionic emission electrode |
| JPS5829870A (ja) * | 1981-08-18 | 1983-02-22 | Nippon Synthetic Chem Ind Co Ltd:The | 接着性構造物 |
-
1987
- 1987-04-30 JP JP6652687U patent/JPS63172931U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5763744A (en) * | 1980-10-02 | 1982-04-17 | Fujitsu Ltd | Electron gun |
| JPS57128436A (en) * | 1981-02-02 | 1982-08-10 | Koichi Kanetani | Manufacture of lanthanum-boride thermionic emission electrode |
| JPS5829870A (ja) * | 1981-08-18 | 1983-02-22 | Nippon Synthetic Chem Ind Co Ltd:The | 接着性構造物 |