Printed circuit board

Details Printed circuit board Printed circuit board

1976-03-01

1978-05-09

Grimley, Arthur T.

Electricity: conductors and insulators

Conduits, cables or conductors

Single duct conduits

361397, H05K 100

Patent

active

040888282

ABSTRACT:
A printed circuit board wherein a conductor pattern is printed on an insulating base, first solder resist layers are formed on the surface of the conductor pattern remaining lands which are for soldering thereon, second solder resist layers for prevention of bridging for preventing bridging of solder are formed at least at portions where the gap between the lands is narrow, and thereby electronic parts such as an IC can be reliably assembled on the printed circuit board.

REFERENCES:
patent: 3339008 (1967-08-01), MacArthur et al.
patent: 3851223 (1974-11-01), Yonezuka et al.
patent: 3887760 (1975-06-01), Krieger et al.
patent: 3969816 (1976-07-01), Swengel, Sr. et al.

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