Printed circuit board

Details Printed circuit board Printed circuit board

1981-07-02

1983-11-22

Kucia, R. R.

Electricity: electrical systems and devices

Miscellaneous

174138G, 361414, H05K 114

Patent

active

044172974

ABSTRACT:
In a printed circuit board wherein chip components are mounted in aligned holes provided through two printed substrates stacked over one another, spacer members are interposed between the printed substrates so as to define spaces therebetween around the holes. Since the printed substrates and chip components are movable relative one another due to such spaces, thermal stresses in the joints between the chip components and the printed substrates can be relieved.

REFERENCES:
patent: 2937358 (1960-05-01), Bulger
patent: 3250848 (1966-05-01), Beelitz et al.
patent: 3446908 (1969-05-01), Tally et al.
patent: 3566005 (1971-02-01), Shaheen
patent: 4100368 (1978-07-01), Thomsen
Bivar Inc., Dissopad Catalog, 1969, Printed by Bivar Inc., Santa Ana, California, pp. 1 to 3.

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