JPH0395181U - - Google Patents
Info
- Publication number
- JPH0395181U JPH0395181U JP98990U JP98990U JPH0395181U JP H0395181 U JPH0395181 U JP H0395181U JP 98990 U JP98990 U JP 98990U JP 98990 U JP98990 U JP 98990U JP H0395181 U JPH0395181 U JP H0395181U
- Authority
- JP
- Japan
- Prior art keywords
- vacuum chamber
- window
- windows
- lighting
- illumination window
- 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
- 238000005286 illumination Methods 0.000 claims description 4
- 238000010894 electron beam technology Methods 0.000 description 2
- 239000005357 flat glass Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Welding Or Cutting Using Electron Beams (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP98990U JPH0395181U (https=) | 1990-01-10 | 1990-01-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP98990U JPH0395181U (https=) | 1990-01-10 | 1990-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0395181U true JPH0395181U (https=) | 1991-09-27 |
Family
ID=31504922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP98990U Pending JPH0395181U (https=) | 1990-01-10 | 1990-01-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0395181U (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009041548A (ja) * | 2007-08-13 | 2009-02-26 | Tokyo Electric Power Co Inc:The | 真空ポンプ排気逆流防止装置 |
-
1990
- 1990-01-10 JP JP98990U patent/JPH0395181U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009041548A (ja) * | 2007-08-13 | 2009-02-26 | Tokyo Electric Power Co Inc:The | 真空ポンプ排気逆流防止装置 |
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