Method of coating a workpiece of a plastic material by a metal l

Details Method of coating a workpiece of a plastic material by a metal l Method of coating a workpiece of a plastic material by a metal l

1993-04-01

1995-03-21

Dzierzynski, Paul M.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

369 13, 369272, 3692755, 369283, 430271, 430495, 427294, 20419214, 20419227, G11B 726, B05D 300, C23C 1400

Patent

active

054003172

ABSTRACT:
An optical storage disk has a body made of PMMA bulk material with a surface of PMMA. Aluminum or an aluminum alloy, light reflecting layer coats the PMMA surface and is applied using a sputtering apparatus in a sealed gas atmosphere containing argon and carbon containing gas. Application of the coating using sputtering takes place immediately after the PMMA body is inserted into the sealed gas atmosphere and without any pretreatment to the PMMA surface.

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patent: 5013635 (1991-05-01), Ohkawa et al.
patent: 5017073 (1991-05-01), Strasser et al.
patent: 5068021 (1991-11-01), Sichmann et al.
patent: 5089375 (1992-02-01), Gotoh et al.
patent: 5158834 (1992-10-01), Funkenbusch
patent: 5245736 (1993-09-01), Schertler

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