PHOTOTHERMOPLASTIC CARRIER OF INFORMATION Russian patent published in 1995 - IPC

Abstract SU 1743300 A1

FIELD: optical holography. SUBSTANCE: phototermoplastic carrier consists of the backing and photosensitive layer containing polymeric photoconductor poly-N-epoxypropylcarbazole or copolymer of N-epoxypropylcarbazole with glycidyl ester of the general formula (image) with molecular mass 800-900 a.e.m. where x 0-0.14; n 3-5; R . Sensibilizing agent: 2,7-di-n-undecylhydroxycarbonyl-4,5-dinitro-9-dicyanomethylfluorene of the formula (image) at concentration 5-12% of polymeric photoconductor mass. Material shows holographic sensitivity Sn 1% 15-27 m2/J at λ 750 nm, diffraction effectiveness hmax 20-25% and a value of "parasitic memory" 0.8-1.5% EFFECT: enhanced quality of carrier. 1 dwg, 1 tbl

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SU 1 743 300 A1

Authors

Perepichka I.F.

Mysyk D.D.

Sokolov N.I.

Kostenko L.I.

Perel'Man L.A.

Grebenjuk S.A.

Popov A.F.

Bazhenov M.Ju.

Barabash Ju.M.

Dates

1995-08-27Published

1989-09-11Filed