JPS6076056U

JPS6076056U - metal core printed wiring board

Info

Publication number: JPS6076056U
Application number: JP16739783U
Authority: JP
Inventors: 上田　利信; 孔三郎中村
Original assignee: 日本電信電話株式会社
Priority date: 1983-10-31
Filing date: 1983-10-31
Publication date: 1985-05-28

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

図面は本考案の説明に供するもので、第１図は従来の金
属板の一層タイブの金属コアプリント配線板の断面図、
第２図は従来の金属板の多層タイプの金属コアプリント
配線板の断面図、第３図は本考案の第１の実施例を示す
第１図と同様の図、第４図は本考案の第２の実施例を示
す第１図と同様の図、第５図は本考案の第３の実施例を
示す第２図と同様の図である。１・・・絶縁層、２・・・金属板、２ａ・・・露出部、
３・・・導体配線層、４・・・スルーホール、５・・・
接着層、６・・・フィン、７・・・貫通孔。The drawings are for explaining the present invention, and FIG. 1 is a cross-sectional view of a conventional single-layer metal core printed wiring board;
Figure 2 is a cross-sectional view of a conventional multilayer metal core printed wiring board made of metal plates, Figure 3 is a diagram similar to Figure 1 showing the first embodiment of the present invention, and Figure 4 is a diagram of the present invention. FIG. 5 is a diagram similar to FIG. 1 showing a second embodiment, and FIG. 5 is a diagram similar to FIG. 2 showing a third embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Insulating layer, 2... Metal plate, 2a... Exposed part,
3... Conductor wiring layer, 4... Through hole, 5...
Adhesive layer, 6... Fin, 7... Through hole.

Claims

[Scope of utility model registration request]

In a metal core printed wiring board having a single layer or multilayer metal plate, parts of the surface of the metal plate necessary for forming conductor wiring layers, through holes, etc. and mounting components are covered with an insulating layer. A metal core printed wiring board characterized in that a part or all of an end of a metal plate is exposed, and a structure for promoting heat radiation is provided in the exposed part.