JPH02126663U - - Google Patents
Info
- Publication number
- JPH02126663U JPH02126663U JP3711189U JP3711189U JPH02126663U JP H02126663 U JPH02126663 U JP H02126663U JP 3711189 U JP3711189 U JP 3711189U JP 3711189 U JP3711189 U JP 3711189U JP H02126663 U JPH02126663 U JP H02126663U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- metal membrane
- flange
- holding plate
- vacuum duct
- 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
- 239000002184 metal Substances 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims 4
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010894 electron beam technology Methods 0.000 description 1
Landscapes
- Radiation-Therapy Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3711189U JPH02126663U (en]) | 1989-03-29 | 1989-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3711189U JPH02126663U (en]) | 1989-03-29 | 1989-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02126663U true JPH02126663U (en]) | 1990-10-18 |
Family
ID=31543928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3711189U Pending JPH02126663U (en]) | 1989-03-29 | 1989-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02126663U (en]) |
-
1989
- 1989-03-29 JP JP3711189U patent/JPH02126663U/ja active Pending