JPH021856U - - Google Patents
Info
- Publication number
- JPH021856U JPH021856U JP7832788U JP7832788U JPH021856U JP H021856 U JPH021856 U JP H021856U JP 7832788 U JP7832788 U JP 7832788U JP 7832788 U JP7832788 U JP 7832788U JP H021856 U JPH021856 U JP H021856U
- Authority
- JP
- Japan
- Prior art keywords
- lens barrel
- electron microscope
- optical axis
- vacuum
- separated
- 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
- 230000003287 optical effect Effects 0.000 claims 3
- 238000007789 sealing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electron Sources, Ion Sources (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7832788U JPH021856U (enExample) | 1988-06-15 | 1988-06-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7832788U JPH021856U (enExample) | 1988-06-15 | 1988-06-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH021856U true JPH021856U (enExample) | 1990-01-09 |
Family
ID=31303261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7832788U Pending JPH021856U (enExample) | 1988-06-15 | 1988-06-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH021856U (enExample) |
-
1988
- 1988-06-15 JP JP7832788U patent/JPH021856U/ja active Pending