G - Physics – 11 – B
Patent
G - Physics
11
B
352/32.4
G11B 7/00 (2006.01) G11B 7/24 (2006.01) G11B 7/26 (2006.01)
Patent
CA 1171964
241,000 CAN/REG Abstract of the Disclosure Optical recording disc having a rigid, dimensionally-stable support (18 or 18a) which keeps a plastic film (10) taut and flat so that an optically- recordable coating on the plastic film resists the dimensional changes and warping which it otherwise might experience if unsupported.
394635
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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