JPH0456376U - - Google Patents
Info
- Publication number
- JPH0456376U JPH0456376U JP9992990U JP9992990U JPH0456376U JP H0456376 U JPH0456376 U JP H0456376U JP 9992990 U JP9992990 U JP 9992990U JP 9992990 U JP9992990 U JP 9992990U JP H0456376 U JPH0456376 U JP H0456376U
- Authority
- JP
- Japan
- Prior art keywords
- grooves
- main surfaces
- lower main
- wiring board
- printed wiring
- 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
Landscapes
- Structure Of Printed Boards (AREA)
Description
第1図a乃至第1図dは本考案の一実施例の多
層印刷配線板の製造方法を順に示す断面図、第1
図eは第1図dの配線板の後工程を示す平面図、
第2図は従来の多層印刷配線板を順に示す平面図
である。
1……多層板、2……銅箔、3……内層回路、
4……スルーホール、5……外層回路、6……V
溝、7……端子。
1a to 1d are cross-sectional views sequentially showing a method for manufacturing a multilayer printed wiring board according to an embodiment of the present invention;
Figure e is a plan view showing the post-processing of the wiring board in Figure 1 d;
FIG. 2 is a plan view sequentially showing a conventional multilayer printed wiring board. 1...Multilayer board, 2...Copper foil, 3...Inner layer circuit,
4...Through hole, 5...Outer layer circuit, 6...V
Groove, 7...terminal.
Claims (1)
上下両主表面の溝を間を内層回路パターンを有す
ることを特徴とする多層印刷配線板。 1. A multilayer printed wiring board having grooves having a V-shaped cross section on both upper and lower main surfaces, and having an inner layer circuit pattern between the grooves on the upper and lower main surfaces.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9992990U JPH0456376U (en) | 1990-09-25 | 1990-09-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9992990U JPH0456376U (en) | 1990-09-25 | 1990-09-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0456376U true JPH0456376U (en) | 1992-05-14 |
Family
ID=31842208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9992990U Pending JPH0456376U (en) | 1990-09-25 | 1990-09-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0456376U (en) |
-
1990
- 1990-09-25 JP JP9992990U patent/JPH0456376U/ja active Pending