JPH0312464U - - Google Patents
Info
- Publication number
- JPH0312464U JPH0312464U JP7273889U JP7273889U JPH0312464U JP H0312464 U JPH0312464 U JP H0312464U JP 7273889 U JP7273889 U JP 7273889U JP 7273889 U JP7273889 U JP 7273889U JP H0312464 U JPH0312464 U JP H0312464U
- Authority
- JP
- Japan
- Prior art keywords
- wiring board
- multilayer printed
- printed wiring
- pattern
- characteristic impedance
- 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
- 238000002847 impedance measurement Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7273889U JPH0312464U (cs) | 1989-06-21 | 1989-06-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7273889U JPH0312464U (cs) | 1989-06-21 | 1989-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0312464U true JPH0312464U (cs) | 1991-02-07 |
Family
ID=31610941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7273889U Pending JPH0312464U (cs) | 1989-06-21 | 1989-06-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0312464U (cs) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002067638A1 (fr) * | 2001-02-19 | 2002-08-29 | Sony Corporation | Carte imprimee, carte imprimee multicouches et procede de detection de matiere etrangere et des vides dans une couche interne de la carte imprimee multicouches |
| JP2014093340A (ja) * | 2012-11-01 | 2014-05-19 | Nec Corp | 特性インピーダンス管理用テストクーポンおよびこれを備えたプリント基板 |
-
1989
- 1989-06-21 JP JP7273889U patent/JPH0312464U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002067638A1 (fr) * | 2001-02-19 | 2002-08-29 | Sony Corporation | Carte imprimee, carte imprimee multicouches et procede de detection de matiere etrangere et des vides dans une couche interne de la carte imprimee multicouches |
| JP2014093340A (ja) * | 2012-11-01 | 2014-05-19 | Nec Corp | 特性インピーダンス管理用テストクーポンおよびこれを備えたプリント基板 |