Printed circuit board

Details Printed circuit board Printed circuit board

1988-05-27

1989-02-07

Nimmo, Morris H.

Electricity: conductors and insulators

Conduits, cables or conductors

Single duct conduits

2281801, H05K 100

Patent

active

048033081

ABSTRACT:
A printed circuit board has a copper foil pattern formed thereon in the shape of exclamation marks oriented in the direction of solder flow such that undesirable peelback effects can be isolated and the amount of solder attached to the pattern can be uniformly controlled.

REFERENCES:
patent: 3470612 (1969-10-01), Helms
patent: 3496419 (1970-02-01), Sakellakis
patent: 3912852 (1975-10-01), Simon
patent: 3939381 (1976-02-01), Meany
patent: 4613924 (1986-09-01), Brault
Renz, U; Test Probe Contact Grid Translator Board; IBM Technical Disclosure Bulletin; vol. 21, No. 8, Jan. 1979; pp. 3235-3236.
Wager, A. J. et al; Printing a Wiring Pattern; IBM Technical Disclosure Bulletin; vol. 11, No. 7, Dec. 1968; p. 709.

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