JPH01174961U - - Google Patents
Info
- Publication number
- JPH01174961U JPH01174961U JP7120388U JP7120388U JPH01174961U JP H01174961 U JPH01174961 U JP H01174961U JP 7120388 U JP7120388 U JP 7120388U JP 7120388 U JP7120388 U JP 7120388U JP H01174961 U JPH01174961 U JP H01174961U
- Authority
- JP
- Japan
- Prior art keywords
- insulating layer
- metal plate
- core type
- printed circuit
- circuit board
- 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
- 239000002184 metal Substances 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Insulated Metal Substrates For Printed Circuits (AREA)
- Measuring Leads Or Probes (AREA)
Description
第１図および第２図はそれぞれ本考案に係るメ
タルコア型プリント基板の異なる構成例を示す断
面図である。
１…金属板、２……絶縁層、３……メツキ導体
層、４……金属板の露出面。
FIGS. 1 and 2 are cross-sectional views showing different configuration examples of metal core type printed circuit boards according to the present invention, respectively. 1...Metal plate, 2...Insulating layer, 3...Plated conductor layer, 4...Exposed surface of metal plate.
Claims (1)
して回路パターンが形成され且つ厚さ方向に貫通
した透孔内壁面に絶縁層を介して導電体層が設け
られたメタルコア型プリント基板であつて、回路
パターン非形成領域の絶縁層の一部を座ぐり除去
し前記金属板の一部を露出せしめて成ることを特
徴とするメタルコア型プリント基板。 A metal core type printed circuit board having a metal plate as a base, a circuit pattern formed on at least one side through an insulating layer, and a conductor layer provided on the inner wall surface of a through hole penetrating in the thickness direction through an insulating layer, 1. A metal core type printed circuit board, characterized in that a part of the insulating layer in a non-circuit pattern forming area is counterbored and removed to expose a part of the metal plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7120388U JPH01174961U (en) | 1988-05-30 | 1988-05-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7120388U JPH01174961U (en) | 1988-05-30 | 1988-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01174961U true JPH01174961U (en) | 1989-12-13 |
Family
ID=31296413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7120388U Pending JPH01174961U (en) | 1988-05-30 | 1988-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01174961U (en) |
-
1988
- 1988-05-30 JP JP7120388U patent/JPH01174961U/ja active Pending