Method of making an integrated circuit using a pre-served dam ba

Details Method of making an integrated circuit using a pre-served dam ba Method of making an integrated circuit using a pre-served dam ba

1989-04-13

1991-12-03

Chaudhuri, Olik

Fishing, trapping, and vermin destroying

437214, 437217, 437 220, 357 70, H01L 2156, H01L 2184

Patent

active

050700391

ABSTRACT:
A lead from 10 carries an integrated circuit on a die support pad 14. The lead frame has a dam bar including a transverse portion that extends between adjacent leads (20) for limiting mold flash. The dam bar transverse portion 26 is entirely severed from the adjacent leads for final removal by a metal punch 33 along with the supporting web 16.

REFERENCES:
patent: 4490902 (1985-01-01), Eytcheson et al.
patent: 4733014 (1988-03-01), Fierkens et al.

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