JPS641296A - Manufacture of laminate with metallic core - Google Patents
Manufacture of laminate with metallic coreInfo
- Publication number
- JPS641296A JPS641296A JP15625187A JP15625187A JPS641296A JP S641296 A JPS641296 A JP S641296A JP 15625187 A JP15625187 A JP 15625187A JP 15625187 A JP15625187 A JP 15625187A JP S641296 A JPS641296 A JP S641296A
- Authority
- JP
- Japan
- Prior art keywords
- hole
- metal plate
- insulating plate
- stamping
- punched
- 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
Landscapes
- Laminated Bodies (AREA)
- Insulated Metal Substrates For Printed Circuits (AREA)
Abstract
PURPOSE: To improve reliability of through hole, by superposing an insulating plate previously hardened on a metal plate to form a punched hole in the metal plate using stamping and by sticking through a prepreg a metallic foil on both of the surfaces of the metal plate in which an insulating plate formed in the same shape as the punched hole in the stamping is inserted into the punched hole.
CONSTITUTION: An insulating plate 2 of thermosetting resin previously hardened is superposed on a metal plate 1 to form a punched hole 7 in the metal plate 1 using stamping. An insulating plate 2' which is formed in the same shape as the punched hole 7 in the stamping is then inserted into the punched hole 7 of the metal plate 1. Next, a metallic foil 4 is superposed on both of the surfaces of the metal plate l through a prepreg 3 into which the insulating plate 2' is inserted, and is then impression-molded under pressurization and heating condition to make these members in one body. In this resulting core inserted metallic laminate 8, a hole 5 for through hole is formed in the position into which the insulating plate 2' is inserted, and then a plating layer 6 for continuity between circuits on both of the surfaces is deposited on the inwall of the hole 5 for through hole, or electrically conductive material is filled in the hole 5 for through hole, thereby the continuity between both of the surfaces of the laminate 8 being established. Since the inwall of the hole 5 for through hole has been already insulated without performing special treatments, reliability of through hole can be highly improved.
COPYRIGHT: (C)1989,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15625187A JPS641296A (en) | 1987-06-23 | 1987-06-23 | Manufacture of laminate with metallic core |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15625187A JPS641296A (en) | 1987-06-23 | 1987-06-23 | Manufacture of laminate with metallic core |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH011296A JPH011296A (en) | 1989-01-05 |
JPS641296A true JPS641296A (en) | 1989-01-05 |
Family
ID=15623694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15625187A Pending JPS641296A (en) | 1987-06-23 | 1987-06-23 | Manufacture of laminate with metallic core |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS641296A (en) |
-
1987
- 1987-06-23 JP JP15625187A patent/JPS641296A/en active Pending
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