Stock material or miscellaneous articles – Circular sheet or circular blank
Patent
1998-06-22
1999-12-28
Evans, Elizabeth
Stock material or miscellaneous articles
Circular sheet or circular blank
428 644, 428457, 428913, 43027011, 4304951, 430945, 369283, 369288, B32B 300
Patent
active
060078898
ABSTRACT:
A copper-based or silver-based alloy thin film is provided for the highly reflective or semi-reflective layer of optical discs. Alloy additions to silver include gold, palladium, copper, rhodium, ruthenium, osmium, iridium, and platinum. Alloy additions to copper include silver, cadmium, gold, magnesium, aluminum, and nickel. These alloys have moderate to high reflectivity and reasonable corrosion resistance in the ambient environment.
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Evans Elizabeth
Target Technology, LLC
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