JPS61183580U - - Google Patents
Info
- Publication number
- JPS61183580U JPS61183580U JP6779685U JP6779685U JPS61183580U JP S61183580 U JPS61183580 U JP S61183580U JP 6779685 U JP6779685 U JP 6779685U JP 6779685 U JP6779685 U JP 6779685U JP S61183580 U JPS61183580 U JP S61183580U
- Authority
- JP
- Japan
- Prior art keywords
- guide mark
- wiring board
- printed wiring
- multilayer printed
- depth
- 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
- 239000000758 substrate Substances 0.000 claims description 2
Description
第１図は本考案の一実施例による多層プリント
配線板用基板の簡略断面図である。
１は内層回路、２は外層回路、３はガイドマー
ク、４はザグリ孔である。
FIG. 1 is a simplified sectional view of a multilayer printed wiring board substrate according to an embodiment of the present invention. 1 is an inner layer circuit, 2 is an outer layer circuit, 3 is a guide mark, and 4 is a counterbore hole.
Claims (1)
夫々ガイドマークに到達しない深さのザグリ孔を
設けたことを特徴とする多層プリント配線板用基
板。 On the front and back sides of the guide mark part and its surrounding area,
A substrate for a multilayer printed wiring board, characterized in that each counterbore hole has a depth that does not reach the guide mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6779685U JPS61183580U (en) | 1985-05-08 | 1985-05-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6779685U JPS61183580U (en) | 1985-05-08 | 1985-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61183580U true JPS61183580U (en) | 1986-11-15 |
Family
ID=30601949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6779685U Pending JPS61183580U (en) | 1985-05-08 | 1985-05-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61183580U (en) |
-
1985
- 1985-05-08 JP JP6779685U patent/JPS61183580U/ja active Pending