Beveled edge circuit board with channeled connector pads

Details Beveled edge circuit board with channeled connector pads Beveled edge circuit board with channeled connector pads

1994-06-09

1996-01-23

Picard, Leo P.

Electricity: conductors and insulators

Conduits, cables or conductors

Preformed panel circuit arrangement

174260, 174250, 361767, 361760, 439 83, H05K 102

Patent

active

054866570

ABSTRACT:
A printed circuit board is provided having a beveled edge for ease of insertion into a receptor. The beveled edge is extended onto the solder mask to present a contiguous beveled surface. Moreover, the PCB includes bonding pads which can be surface mounted with pins extending from the receptor. Each bonding pad includes a forward portion and a rearward portion. The forward portion is covered with the solder mask layer to present a smooth surface channeled inward in a V-shaped configuration. The forward portion channels or directs the pin along a central axis near the apex of the V-shaped forward portion onto the upper surface of the bonding pad rearward portion. Accordingly, the pin is channeled to an area absent solder paste along the central axis such that during subsequent reflow operation the solder paste is reliably extended over and around the centrally placed pin.

REFERENCES:
patent: 4268585 (1981-05-01), Daur et al.
patent: 4339785 (1982-06-01), Ohsawa
patent: 4755631 (1988-06-01), Churchwell et al.
patent: 4933305 (1990-06-01), Kikkawa et al.
patent: 5329068 (1994-06-01), Hirata et al.

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