Device fabrication incorporating liquid assisted laser patternin

Details Device fabrication incorporating liquid assisted laser patternin Device fabrication incorporating liquid assisted laser patternin

1982-02-01

1983-11-01

Lusignan, Michael R.

Coating processes

Electrical product produced

Welding electrode

219121LF, 219121LM, 427 99, 427345, B05D 306, B05D 512, B23K 900

Patent

active

044130201

ABSTRACT:
Laser patterning of metallization is done by transmitting laser energy through a liquid film directly in contact with the metallization to be patterned. When the metal is evaporated by the laser energy, the vapor is condensed immediately by the liquid film. This prevents redeposition of metal on the patterned surface and suspends the removed metal in the liquid so that it may be reclaimed by filtration.

REFERENCES:
patent: 4202003 (1980-05-01), Darley et al.
patent: 4272775 (1981-06-01), Compton et al.
patent: 4289381 (1981-09-01), Garvin et al.

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