Protective coatings for optical disc information recording media

Details Protective coatings for optical disc information recording media Protective coatings for optical disc information recording media

1997-08-08

1999-08-10

Evans, Elizabeth

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Circular sheet or circular blank

428 642, 428 644, 428 652, 428 417, 428913, 43027011, 4304951, 430945, 369283, 427155, 427164, B32B 300

Patent

active

059356731

ABSTRACT:
To protect the optical surface of optical disc information recording media such as a compact disc (CD) or a digital versatile disc (DVD), that surface is coated with a removable layer of a material that does not significantly alter the optical properties of the disc. Whenever the coating layer may have become damaged, it is removed and replaced with a new layer.

REFERENCES:
patent: 4736966 (1988-04-01), Haddock et al.
patent: 5518788 (1996-05-01), Invie et al.

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