Coating processes – Optical element produced – Transparent base
Patent
1993-02-12
1998-09-01
Bell, Janyce
Coating processes
Optical element produced
Transparent base
427162, 427166, 4272553, 20419227, B05D 506
Patent
active
058008640
ABSTRACT:
An optical disc having an aluminum reflective film is disclosed, wherein an oxide of Al in the stable oxidized state is introduced into the Al reflective film to eliminate changes with lapse of time to improve durability of the optical disc. A method for producing a reflective film on an optical disc is also disclosed, wherein a trace amount of oxygen is introduced into atmosphere in the course of formation of the reflective film.
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patent: 4959243 (1960-09-01), Steininger
patent: 5055356 (1991-10-01), Minowa et al.
Aoki Masahiro
Kato Hiromasa
Obinata Kenichi
Tatewaki Masayuki
Bell Janyce
Sony Corporation
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