Method for making optical recording mediums

Details Method for making optical recording mediums Method for making optical recording mediums

1992-10-30

1994-06-28

Bell, Janyce

Coating processes

Direct application of electrical, magnetic, wave, or...

Polymerization of coating utilizing direct application of...

4271441, 427162, 4274071, 4274301, 427518, 427512, 427515, B05D 306

Patent

active

053245482

ABSTRACT:
A method for making an optical recording medium having an optically responsive polydiacetylene monomolecular film or monomolecular built-up film is provided. In the method, a substrate having a hydrophilic surface is immersed in a solution, in organic solvent, of a substance containing a diacetylene group and an --Si--Cl group to form a monomolecular film of the substance on the substrate by chemical adsorption. The diacetylene groups are polymerized by energy beam irradiation to obtain the optically responsive polydiacetylene film. This medium is usable as a write-once or rewriteable medium.

REFERENCES:
patent: 4615962 (1986-10-01), Garito
patent: 4673474 (1987-06-01), Ogawa
patent: 4761316 (1988-08-01), Ogawa
patent: 4782006 (1988-11-01), Nishimura et al.

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