Process for producing corrosion-resistant terminal metal pads fo

Details Process for producing corrosion-resistant terminal metal pads fo Process for producing corrosion-resistant terminal metal pads fo

1998-11-02

2000-07-04

Gorgos, Kathryn

Electrolysis: processes, compositions used therein, and methods

Electrolytic coating

Coating selected area

205122, 205170, 205181, 205182, 205184, C25D 502, C25D 510, C25D 512, C23C 2802

Patent

active

060833750

ABSTRACT:
A process for producing a terminal metal pad structure electrically interconnecting a package and other components. More particularly, the invention encompasses a process for producing a plurality of corrosion-resistant terminal metal pads. Each pad includes a base pad containing copper which is encapsulated within a series of successively electroplated metal encapsulating films to produce a corrosion-resistant terminal metal pad.

REFERENCES:
patent: 4394223 (1983-07-01), Hall
patent: 4626479 (1986-12-01), Hosoi et al.
patent: 5071518 (1991-12-01), Pan
patent: 5272376 (1993-12-01), Ueno
patent: 5326412 (1994-07-01), Schreiber et al.
patent: 5382447 (1995-01-01), Kaja et al.
patent: 5545927 (1996-08-01), Farooq et al.
patent: 5858622 (1999-01-01), Gearhart

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