JPS649693A - Manufacture of double-sided substrate with metal core - Google Patents
Manufacture of double-sided substrate with metal coreInfo
- Publication number
- JPS649693A JPS649693A JP16572987A JP16572987A JPS649693A JP S649693 A JPS649693 A JP S649693A JP 16572987 A JP16572987 A JP 16572987A JP 16572987 A JP16572987 A JP 16572987A JP S649693 A JPS649693 A JP S649693A
- Authority
- JP
- Japan
- Prior art keywords
- throughhole
- manufacture
- aluminium plate
- metal core
- alignment
- 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
- Insulated Metal Substrates For Printed Circuits (AREA)
Abstract
PURPOSE:To simplify the manufacture by forming a coating film of a semirigid thermosetting resin on a metal core, thereafter opening a somewhat larger hole at the position of a desired throughhole, stacking a metal foil in alignment with a pin provided in the metal mold, and thereafter heating and pressing this structure, thereby eliminating the need of drilling work. CONSTITUTION:After an aluminium plate 3 is dipped in and uniformly coated with the solution of a phenolsetting epoxy resin, methyl cellosolve, the solvent, is heat-treated to be removed. This aluminium plate is drilled a hole having a large diameter of the order of 1.5mm in the same position as the desired throughhole. Also, after an alumina paper 4 and a copper foil 5 having holes drilled in the same shape as the throughhole are respectively stacked in alignment with a pin 8 along with the aluminium plate, the top force is closed and heating and pressing are performed. This will eliminate the need of forming the throughhole after the laminate molding, enabling the simplification of the manufacture.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16572987A JPS649693A (en) | 1987-07-02 | 1987-07-02 | Manufacture of double-sided substrate with metal core |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16572987A JPS649693A (en) | 1987-07-02 | 1987-07-02 | Manufacture of double-sided substrate with metal core |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS649693A true JPS649693A (en) | 1989-01-12 |
Family
ID=15817965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16572987A Pending JPS649693A (en) | 1987-07-02 | 1987-07-02 | Manufacture of double-sided substrate with metal core |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS649693A (en) |
-
1987
- 1987-07-02 JP JP16572987A patent/JPS649693A/en active Pending
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