JPS63191669U - - Google Patents
Info
- Publication number
- JPS63191669U JPS63191669U JP8120387U JP8120387U JPS63191669U JP S63191669 U JPS63191669 U JP S63191669U JP 8120387 U JP8120387 U JP 8120387U JP 8120387 U JP8120387 U JP 8120387U JP S63191669 U JPS63191669 U JP S63191669U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- utility
- model registration
- etching
- alkali
- 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
- 238000005530 etching Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims 2
- 239000003513 alkali Substances 0.000 claims 2
- 239000000126 substance Substances 0.000 claims 2
- 229930182556 Polyacetal Natural products 0.000 claims 1
- 230000002378 acidificating effect Effects 0.000 claims 1
- 229920006324 polyoxymethylene Polymers 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8120387U JPS63191669U (enExample) | 1987-05-29 | 1987-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8120387U JPS63191669U (enExample) | 1987-05-29 | 1987-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63191669U true JPS63191669U (enExample) | 1988-12-09 |
Family
ID=30932730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8120387U Pending JPS63191669U (enExample) | 1987-05-29 | 1987-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63191669U (enExample) |
-
1987
- 1987-05-29 JP JP8120387U patent/JPS63191669U/ja active Pending