Rigid strip carrier for integrated circuits

Details Rigid strip carrier for integrated circuits Rigid strip carrier for integrated circuits

1989-07-14

1991-06-11

Chaudhuri, Olik

Fishing, trapping, and vermin destroying

437207, 437217, 437220, 357 72, 357 80, H01L 2156, H01L 2160, H01L 2178

Patent

active

050232029

ABSTRACT:
An improved method to assemble tape packaged integrated circuits includes spot welding a strip of TAB tape to a thin strip of copper called a strip carrier. The strip carrier provides mechanical rigidity to the tape during later processing, including die attachment and lead bonding and solder plating, as well as providing ESD protection since each tape lead is shorted to the strip carrier. The packaged die and the surrounding tape are excised from the strip carrier prior to final testing and the strip carrier is capable of being reused. The strip carriers are of a size and shape to be readily handled by existing integrated circuit handling equipment.

REFERENCES:
patent: 3778887 (1973-12-01), Suzuki et al.
patent: 4209355 (1980-06-01), Burns
patent: 4411719 (1983-08-01), Lindberg
patent: 4835120 (1989-05-01), Mallik et al.
patent: 4837184 (1989-06-01), Lin et al.
IBM Technical Disclosure Bulletin, vol. 32, No. 1, Jun. 89.

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