Metal working – Method of mechanical manufacture – Electrical device making
Patent
1990-12-21
1992-03-10
Echols, P. W.
Metal working
Method of mechanical manufacture
Electrical device making
228 57, 228159, 2281802, H01R 4302
Patent
active
050939874
ABSTRACT:
A connector (10) having one or more arrays of elongate arms (22) of contacts (20) having contact sections (26) on free ends (24) thereof to be soldered to respective traces (94) of a circuit element (90), facilitated by securing a soldering component (40) to free ends (24). Component (40) includes a block member (42) along the outer surface of which is secured a lead frame (60) which includes a corresponding plurality of fingers (66) extending transversely from an elongate body section (62). Block (42) is of thermally insulative material having solder resistive surfaces. On the finger ends (68) are affixed preforms (88) of solder; on body section (62) is defined a thin magnetic layer, transforming the brass carrier strip into a Curie point heater. When the body section is subjected to RF current, it generates thermal energy which melts the solder preforms to join the fingers first to the contact sections (26) of the connector contacts (20), and at a remote site later subjected to RF current to reflow the solder preform (88) to join contact sections (26) to traces (94). Block (42) is then removed along the body section (62) and portions of figures (66), defining discrete electrical connections at the solder joints.
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AMP Incorporated
Echols P. W.
Ness Anton P.
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