JPH0395548U - - Google Patents
Info
- Publication number
- JPH0395548U JPH0395548U JP500790U JP500790U JPH0395548U JP H0395548 U JPH0395548 U JP H0395548U JP 500790 U JP500790 U JP 500790U JP 500790 U JP500790 U JP 500790U JP H0395548 U JPH0395548 U JP H0395548U
- Authority
- JP
- Japan
- Prior art keywords
- electron microscope
- diameter
- hole provided
- aperture plate
- aperture
- 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
- 238000001816 cooling Methods 0.000 claims description 3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP500790U JPH0395548U (enExample) | 1990-01-23 | 1990-01-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP500790U JPH0395548U (enExample) | 1990-01-23 | 1990-01-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0395548U true JPH0395548U (enExample) | 1991-09-30 |
Family
ID=31508731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP500790U Pending JPH0395548U (enExample) | 1990-01-23 | 1990-01-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0395548U (enExample) |
-
1990
- 1990-01-23 JP JP500790U patent/JPH0395548U/ja active Pending