Electricity: conductors and insulators – Conduits – cables or conductors – Preformed panel circuit arrangement
Patent
1992-09-02
1994-10-18
Picard, Leo P.
Electricity: conductors and insulators
Conduits, cables or conductors
Preformed panel circuit arrangement
361767, 361777, H05K 100
Patent
active
053570600
ABSTRACT:
A pattern structure of a printed circuit board for mounting various kinds of electronic chip parts. The printed circuit board has a pad in each of a circuit connecting portion and a ground circuit portion thereof. A broad continuous ground pattern is formed with cuts to provide the pad in the ground circuit portion with substantially the same size or area as the pad in the circuit connecting portion. The pad in the ground circuit portion is connected to copper foil surrounding the cuts.
REFERENCES:
patent: 4996629 (1991-02-01), Christiansen et al.
patent: 5048747 (1991-09-01), Clark et al.
Wannemacher, J. R., Stress Controlling Mounting Structures for Printed Circuit Boards, US-SIR, May 7, 1991.
Figlin Cheryl R.
NEC Corporation
Picard Leo P.
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