Process for removing and/or structuring surfaces by irradiating

Details Process for removing and/or structuring surfaces by irradiating Process for removing and/or structuring surfaces by irradiating

1991-12-27

1993-05-04

Heitbrink, Jill L.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

156643, B44C 122

Patent

active

052079554

ABSTRACT:
The process removes or partially structures the surface of a substrate of a polymer, i.e. polyamide, polyimide and polycarbonate. The surface of the substrate is irradiated in a vacuum with an incoherent UV radiation which has a wavelength of 60 nm to 400 nm, preferably a wavelength of 172 nm. In order to form the structures, a mask is placed on the surface of the substrate.

REFERENCES:
patent: 4249143 (1981-02-01), Eden
patent: 4508749 (1985-04-01), Brannon et al.
patent: 4857382 (1989-08-01), Liu et al.

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