Multilayer printed wiring board and method for producing the sam

Electricity: conductors and insulators – Conduits – cables or conductors – Single duct conduits

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361414, H05K 100

Patent

active

047912391

ABSTRACT:
A multilayer printed wiring board produced by the buildup process. A first layer printed wiring pattern (13) is formed on a metal core (11) through a first insulation laminate (12), and a second layer printed wiring pattern (16) is formed on the first layer printed wiring pattern through through studs (15) and a second insulation laminate (14). The surface of the first layer printed wiring pattern (13) is roughened and the through studs (15) are formed by the buildup process using a conductive paste on the roughened surface.

REFERENCES:
patent: 4371744 (1983-02-01), Badet et al.
patent: 4417393 (1983-11-01), Becker
patent: 4490429 (1984-12-01), Tosaki et al.
patent: 4529835 (1985-07-01), Mizuno
patent: 4604496 (1986-08-01), Ishihara et al.
Haddad, M. C.; Metallizing Multilayer Ceramic Top and Bottom Side; IBM Technical Disclosure Bulletin; vol. 16, No. 11; Apr. 1974; p. 3612.

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