Process for interconnecting thin-film electrical circuits

Details Process for interconnecting thin-film electrical circuits Process for interconnecting thin-film electrical circuits

1988-10-26

1989-11-14

Albritton, C. L.

Electric heating

Metal heating

By arc

21912166, 21912169, B23K 2600

Patent

active

048809594

ABSTRACT:
Thin-film electrical circuits are interconnected by a process comprising the steps of partially ablating the existing thin-film conductor at the connection point(s) by means of a pulsed laser and depositing a thin-film metal interconnection over the desired area, which includes the area(s) of the existing thin-film circuit that were exposed the pulsed laser.

REFERENCES:
patent: 3229361 (1966-01-01), Valacich
patent: 4259367 (1981-03-01), Dougherty
patent: 4272775 (1981-06-01), Compton et al.
patent: 4358659 (1982-11-01), Spohnheimer
patent: 4374314 (1983-02-01), Deacutis
patent: 4381441 (1983-04-01), Desmarais et al.
patent: 4439754 (1984-03-01), Madden
patent: 4532401 (1985-07-01), Shiozaki et al.
patent: 4803021 (1989-02-01), Werth et al.

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