High-density optical disk and method of producing the same

Details High-density optical disk and method of producing the same High-density optical disk and method of producing the same

1997-12-31

2000-02-29

Evans, Elizabeth

Stock material or miscellaneous articles

Circular sheet or circular blank

428 642, 428 644, 428457, 428688, 428913, 43027011, 4304951, 430945, 3692751, 369283, 369288, B32B 300

Patent

active

060306777

ABSTRACT:
A high-density optical disk includes reflective layers respectively formed at both information-recorded surfaces of a first substrate, and semitransparent layers respectively formed at one information-recorded surface of each of second and third substrates. The second and third substrates are respectively bonded at both sides of the first substrate.

REFERENCES:
patent: 5805563 (1998-09-01), Nakano
patent: 5862121 (1999-01-01), Suzuki
patent: 5871881 (1999-02-01), Nishida et al.

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