Connecting method of pins and tin balls of an electric...

Details Connecting method of pins and tin balls of an electric... Connecting method of pins and tin balls of an electric...

2005-02-22

2005-02-22

Arbes, Carl J. (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S877000, C029S878000, C029S881000, C029S882000, C439S066000, C439S083000, C439S876000

Reexamination Certificate

active

06857184

ABSTRACT:
A connecting method for pins and tin balls of an electric connector. Pins of the electric connector elastically resist against tin balls so as to position the pins. The lower ends of the pins store elastic energy due to the elastically resisting contact. During welding by blowing heated air, the elastic energy is released to push the melting tin balls so that the lower ends of the pins of the electric connector is tightly combined with the PC board.

REFERENCES:
patent: 6056558 (2000-05-01), Lin et al.
patent: 6217348 (2001-04-01), Lin et al.
patent: 6572397 (2003-06-01), Ju

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