Information carrying discs

Details Information carrying discs Information carrying discs

B - Operations, Transporting

32

B

402/167, 352/33.

B32B 3/02 (2006.01) G11B 3/70 (2006.01)

Patent

CA 1140262

ABSTRACT Information carrying discs, such as video discs, tend to suffer from marking, scratching, and grease during manufacture and use. The use of polyarcyloyl hetero- cyclics has been found to provide discs of good resolution and abrasion resistance.

367774

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