G - Physics – 03 – C
Patent
G - Physics
03
C
42/2
G03C 1/72 (2006.01) B41M 5/36 (2006.01) G11B 7/244 (2006.01)
Patent
CA 1163490
COMPOSITION FOR USE IN MAKING AN ABLATIVE IMAGING MEDIUM ABSTRACT OF THE DISCLOSURE A composition for an imaging medium solution that is suitable for use in making ablative imaging media such as video discs, microlithographic films, and chemical etch resist- type films. The composition consists essentially of about 200 parts nitrocellulose and about 37 parts disperse red I dye dissolved in a suit- able solvent, to provide a solution that is highly absorptive at a wavelength of about 480 nanometers. The solution is prepared in a special process that provides a highly-stabilized viscosity such that it can be used to form films of precise, uniform thicknesses.
383814
Crowell Richard W.
Wilkinson Richard L.
Discovision Associates
Gowling Lafleur Henderson Llp
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