Optical information recording medium

Details Optical information recording medium Optical information recording medium

1986-12-16

1987-12-08

Thomas, Alexander S.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

430945, 3461351, 346137, 369284, 369288, B32B 712

Patent

active

047117982

ABSTRACT:
An optical information recording medium comprising a pair of substrates, with a recording layer comprising an organic dye being formed on one side of at least one substrate, fixed to each other through or without through a spacer and by an adhesive agent, in such a manner that the recording layer comes between the substrates, the adhesive agent comprising a compound of formula (I), ##STR1## wherein .phi. represents ##STR2## (l=0 or 1) or ##STR3## in which R represents a methyl group or an ethyl group, m is an integer of 1 to 4, and n is an integer of 2 to 4; and a compound of formula (II), ##STR4## wherein n is an integer of 4 to 8, to which a compound of formula (III) may be added, ##STR5## wherein L represents --CH.sub.2 CH.sub.2 O.sub.m (m=1 to 4) or --CH.sub.2 C(OH)HCH.sub.2 O--, R.sup.1 represents --C.sub.n H.sub.2n+1 (n=4 to 12), R.sup.2 represents Cl or Br (n=0, 1 or 2).

REFERENCES:
patent: 4616238 (1986-10-01), Tani et al.

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