Metal working – Method of mechanical manufacture – Electrical device making
Patent
1989-08-31
1991-03-12
Hall, Carl E.
Metal working
Method of mechanical manufacture
Electrical device making
2281801, 2281802, 174260, 361400, 361403, H05K 334
Patent
active
049983423
ABSTRACT:
An improved method for double sided attachment of components to a printed circuit board is described wherein surface mount components soldered to a first surface of the circuit board (backside) are, once the board is inverted during reflow, retained in place only by force of molten solder surface tension.
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patent: 4664308 (1987-05-01), Boynton
patent: 4761881 (1988-08-01), Bora et al.
P. Bakos et al., "Enhanced Double-Sided Surface Mounted Assembly", Research Disclosure, 12/87, 284, Kenneth Mason Pub. Limited, England.
Double-Sided Surface Mount Process, Hewlett-Packard Journal, Jun., 1989, pp. 23-24.
Bonnell Ralph E.
Castello George C.
Hoebener Karl G.
Arbes Carl J.
Bryant Andrea P.
Hall Carl E.
International Business Machines - Corporation
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