Geometrical instruments
Patent
1980-11-24
1981-12-01
Welsh, John D.
Geometrical instruments
430311, 430317, 427 96, 174 685, H05K 100
Patent
active
043032915
ABSTRACT:
A protective coating (13) on a printed circuit board (10) is formed to extend into spaces (22) between spaced contact pads (16) adhered along an edge portion of the board. The protective coating is selected to be thicker than the thickness of the contact pads to provide fillets between the contact pads that function to form pockets (33) with the contact pads (16) being at the bottom of the pockets. When a multi-terminal connector (21) is assembled on the edge of the circuit board, the terminals (18) tend to fall into and seat within the pockets.
REFERENCES:
patent: 4211890 (1980-07-01), Sado
Miller R. P.
Welsh John D.
Western Electric Company Inc.
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