G - Physics – 03 – C
Patent
G - Physics
03
C
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G03C 1/72 (2006.01) G03F 7/039 (2006.01) G03F 7/16 (2006.01) G11B 7/244 (2006.01)
Patent
CA 1163489
PROCESS FOR MAKING AN IMAGING MEDIUM SOLUTION ABSTRACT OF THE DISCLOSURE A special process for making an imaging medium solution suitable for use in the formation of ablative imaging media such as video discs, microlithographic films, and chemical etch resist- type films. A thoroughly-mixed dye dispersion is filtered and added to a thoroughly mixed nitrocel- lulose solution, to form an imaging medium solution that is, in turn, nitrocellulose heated to a temperature of 50°C for a time duration of at least one hour. After cooling to room temperature, the resultant imaging medium colloidal solution has a highly stabilized viscosity and can be used to form films of precise, uniform thicknesses.
383778
Atwell David L.
Michalchik Michael
Discovision Associates
Gowling Lafleur Henderson Llp
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