Manufacturing method for fixing tin balls in connectors or...

Details Manufacturing method for fixing tin balls in connectors or... Manufacturing method for fixing tin balls in connectors or...

2006-05-16

2006-05-16

Chang, Richard (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S840000, C029S832000, C029S843000

Reexamination Certificate

active

07043832

ABSTRACT:
A method for fixing tin balls in one of a connector or an IC device to the welding portion of the terminals of an electric connector, IC or other electronic element so that the terminal can be welded to the tin balls of the ball grid array seat includes the steps of: selecting a ball grid array seat; covering a bottom of the ball grid array seat by a mold plate having a plurality of recesses; filling the tin glue into the recesses of the mold plate so that the tin glue exactly encloses the welding portions of the terminals; taking out the mold plate; and melting the tin glue so as to condense the tin glue into balls or ball-like tin balls, so that the condensed tin balls are combined with the welding portions. The mold plate is optional and maybe omitted in favor of directly filling the tin glue into recesses in the ball grid array seat.

REFERENCES:
patent: 5480835 (1996-01-01), Carney et al.

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