JPH02131370U - - Google Patents
Info
- Publication number
- JPH02131370U JPH02131370U JP3973789U JP3973789U JPH02131370U JP H02131370 U JPH02131370 U JP H02131370U JP 3973789 U JP3973789 U JP 3973789U JP 3973789 U JP3973789 U JP 3973789U JP H02131370 U JPH02131370 U JP H02131370U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- resist film
- circuit board
- printed circuit
- insulating substrate
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims 2
- 229910000679 solder Inorganic materials 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 description 1
Landscapes
- Non-Metallic Protective Coatings For Printed Circuits (AREA)
- Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
- Manufacturing Of Printed Circuit Boards (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3973789U JPH02131370U (uk) | 1989-04-03 | 1989-04-03 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3973789U JPH02131370U (uk) | 1989-04-03 | 1989-04-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02131370U true JPH02131370U (uk) | 1990-10-31 |
Family
ID=31548908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3973789U Pending JPH02131370U (uk) | 1989-04-03 | 1989-04-03 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02131370U (uk) |
-
1989
- 1989-04-03 JP JP3973789U patent/JPH02131370U/ja active Pending