Electricity: electrical systems and devices – Miscellaneous
Patent
1988-08-29
1990-08-14
Tolin, Gerald P.
Electricity: electrical systems and devices
Miscellaneous
361386, 361410, H05K 104
Patent
active
049492250
ABSTRACT:
In a circuit board wherein a plurality of leads 21 electrically independent of one another protrude from a base member 10, and the respective leads 21 are electrically connected with connection portions 31 of an electronic component 30 mounted on the base member 10; an electronic component mounting circuit board 100 characterized in that internal connection portions 22 are unitarily formed on inner sides of metal members 20 constructing said respective leads 21, that the base members 10 are integrally disposed on both surfaces of said internal connection portions 22, that the electronic components 30 are mounted on said base members 10, and that said electronic components 30 and said internal connection portions 22 are electrically connected. Thus, according to the present invention, it is possible to provide a simply constructed electronic component mounting circuit board which facilitates the design of circuits, which dispenses with the resin molding of the connected portions between the electronic components and the respective leads and affords excellent connection reliability, which can readily form a heat radiating structure, and in which the thermal matching with the electronic components is excellent.
REFERENCES:
patent: 3405227 (1968-10-01), Hazlett
patent: 3409732 (1968-11-01), Dahlgren et al.
patent: 3777221 (1973-12-01), Tatusko et al.
patent: 4546408 (1985-10-01), Rodset et al.
patent: 4659931 (1987-04-01), Schmitz et al.
patent: 4680617 (1987-07-01), Ross
patent: 4730238 (1988-03-01), Cook
Furuhashi Sadahisa
Sagisaka Katsumi
Ibiden Co. Ltd.
Tolin Gerald P.
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