Method for manufacturing a second surface optical storage device

Details Method for manufacturing a second surface optical storage device Method for manufacturing a second surface optical storage device

1989-01-17

1991-05-21

Ryan, Patrick

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428 65, 428913, 346 76L, 3461351, 264104, 264106, 3692751, 369288, B32B 302

Patent

active

050174142

ABSTRACT:
A method for large scale and economical manufacture of a second surface optical recording disk is disclosed. An optically transparent disk cover with tracking grooves and data etched on a mating side thereof is mated and embossed into an optically reactive layer of a first surface optical recording laminate web or sheet having an optically active layer, a reflective layer and a web support layer. The second surface optical recording device thereby created is then cut from the laminate web to yield a very inexpensive second surface optical recording disk.

REFERENCES:
patent: 4314262 (1982-02-01), Reilly
patent: 4818852 (1989-04-01), Haddock et al.

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