JPH01180633U - - Google Patents
Info
- Publication number
- JPH01180633U JPH01180633U JP7219488U JP7219488U JPH01180633U JP H01180633 U JPH01180633 U JP H01180633U JP 7219488 U JP7219488 U JP 7219488U JP 7219488 U JP7219488 U JP 7219488U JP H01180633 U JPH01180633 U JP H01180633U
- Authority
- JP
- Japan
- Prior art keywords
- chemical
- pressure
- etching
- tools
- increasing
- 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
- 239000000126 substance Substances 0.000 claims 2
- 230000002378 acidificating effect Effects 0.000 claims 1
- 238000004140 cleaning Methods 0.000 claims 1
- 238000005530 etching Methods 0.000 claims 1
- 239000003960 organic solvent Substances 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
- 235000012431 wafers Nutrition 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
- Weting (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7219488U JPH01180633U (en]) | 1988-05-31 | 1988-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7219488U JPH01180633U (en]) | 1988-05-31 | 1988-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01180633U true JPH01180633U (en]) | 1989-12-26 |
Family
ID=31297368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7219488U Pending JPH01180633U (en]) | 1988-05-31 | 1988-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01180633U (en]) |
-
1988
- 1988-05-31 JP JP7219488U patent/JPH01180633U/ja active Pending