Laser-induced selective copper deposition on polyimide

Cole, H. S.; Liu, Y. S.; Rose, J. W.; Guida, R.
November 1988
Applied Physics Letters;11/21/1988, Vol. 53 Issue 21, p2111
Academic Journal
Laser irradiation of organometallic palladium compounds with an argon ion laser at 351 nm is used to selectively deposit catalytic amounts of palladium on polyimide. Subsequent immersion of the irradiated samples in an electroless copper solution results in copper deposition. Since a few monolayers of palladium are sufficient to catalyze the electroless copper process, fast writing speeds of several centimeters per second are obtained.


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