JPH0136285Y2 - - Google Patents
Info
- Publication number
- JPH0136285Y2 JPH0136285Y2 JP16163584U JP16163584U JPH0136285Y2 JP H0136285 Y2 JPH0136285 Y2 JP H0136285Y2 JP 16163584 U JP16163584 U JP 16163584U JP 16163584 U JP16163584 U JP 16163584U JP H0136285 Y2 JPH0136285 Y2 JP H0136285Y2
- Authority
- JP
- Japan
- Prior art keywords
- yoke
- magnetic pole
- pole piece
- lower magnetic
- electromagnetic lens
- 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.)
- Expired
Links
- 238000010894 electron beam technology Methods 0.000 claims description 9
- 230000005284 excitation Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16163584U JPH0136285Y2 (cs) | 1984-10-25 | 1984-10-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16163584U JPH0136285Y2 (cs) | 1984-10-25 | 1984-10-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6176672U JPS6176672U (cs) | 1986-05-23 |
| JPH0136285Y2 true JPH0136285Y2 (cs) | 1989-11-06 |
Family
ID=30719537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16163584U Expired JPH0136285Y2 (cs) | 1984-10-25 | 1984-10-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0136285Y2 (cs) |
-
1984
- 1984-10-25 JP JP16163584U patent/JPH0136285Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6176672U (cs) | 1986-05-23 |
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