Selective metallization of carbonyl-containing polymer films

Details Selective metallization of carbonyl-containing polymer films Selective metallization of carbonyl-containing polymer films

1990-03-29

1991-11-05

Beck, Shrive

Chemistry: electrical and wave energy

Processes and products

Coating, forming or etching by sputtering

427 561, 427 531, 427 96, 427124, 427250, 20419215, B05D 306, B05D 512, C23C 1600, C23C 1400

Patent

active

050629395

ABSTRACT:
Carbonyl-containing polymer films, such as PET, are selectively metallized y contacting the films with a layer or film of metal, such as aluminum, and then irradiating selected portions of the surface of the film with infrared radiation thereby heating those selected portions of the film. The metal on or opposite the irradiated portions of the surface adhere to the film. The remaining metal may be readily removed. The process provides surprisingly good spatial resolution. The present process is particularly useful in the production of microcontacts for circuit boards.

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