Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Patent
1984-10-23
1986-03-18
Thomas, Alexander S.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430945, 3461351, 346137, 428 64, 428413, 428414, 369284, 369286, 369288, G11B 370
Patent
active
045768960
ABSTRACT:
An optical recording medium comprising a transparent substrate of a synthetic resin and an information recording layer provided thereon, on which medium information can be optically written, read and erased by means of a laser light, wherein said transparent substrate consists essentially of a cast-cured product of an epoxy resin composition comprising an alicyclic epoxy resin, or a mixture of a major amount of an alicyclic epoxy resin and a minor amount of an aromatic epoxy resin, an organic polybasic acid anhydride, a curing-accelerator and an anti-discoloring agent.
Nakayama Syoichi
Suzuki Setsuo
Tsuge Morio
Flocks Karl W.
Neimark Sheridan
Sumitomo Bakelite Company Limited
Thomas Alexander S.
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