Process for coating a polycarbonate substrate with an aluminum-s

Details Process for coating a polycarbonate substrate with an aluminum-s Process for coating a polycarbonate substrate with an aluminum-s

1994-07-13

1995-04-04

Niebling, John

Stock material or miscellaneous articles

Composite

Of polycarbonate

20419214, 20419215, 20419227, C23C 1434

Patent

active

054036631

ABSTRACT:
A DC source 10 connected to an electrode 5 is disposed in a coating chamber which can be evacuated. The electrode is electrically connected to a target 3 which is sputtered and the sputtered particles are deposited on the substrate, while a process gas is introduced in the coating chamber 15, 15a. The target is made of an aluminum-silicon alloy which may contain 0.5 to 2.0 percent silicon and 99.5 to 98.0 percent aluminum in order to improve the adhesive strength and the service life of the layer 2. The substrate may be made of polycarbonate.

REFERENCES:
patent: 4125446 (1978-11-01), Hartsough et al.
patent: 4364792 (1982-12-01), Gliem et al.
patent: 4547279 (1985-10-01), Kiyota et al.
patent: 4769291 (1988-09-01), Belkind et al.

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