Optical tape

Details Optical tape Optical tape

1992-12-04

1996-06-18

Ryan, Patrick J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428213, 428409, 428480, 428694SG, 428336, 428910, 428141, B32B 702

Patent

active

055275940

ABSTRACT:
An optical tape comprising a substrate having a center line average roughness (Ra.sup.A) on one side of 0.005 to 0.5 .mu.m and a tensile strength (F.sub.5) in the longitudinal direction of not less than 8 kg/mm.sup.2, and an optical recording layer formed on the other side of said substrate.

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patent: 5212006 (1993-05-01), Shigeo
patent: 5271985 (1993-12-01), Tsunashima et al.
Patent Abstracts Of Japan, vol. 10, No. 252 (C-369) (2308) 29 Aug. 1986 and JP-A-61 081 449, 25 Apr. 1986.
Database WPIL, Section Ch, Week 1991, Derwent Publications Ltd., London, GB; AN 91-135814 [19] and JP A-3 071 889, 27 Mar. 1991.
Database WPIL, Section Ch, Week 3190, Derwent Publications Ltd., London, GB; AN 90-234226 [31] and JP-A-2 160 552, 20 Jun. 1990.
Patent Abstracts Of Japan, vol. 16, No. 460 (P-1427) 24 Sep. 1992) and JP-A-41 63 737, 9 Jun. 1992.

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