G - Physics – 03 – C
Patent
G - Physics
03
C
96/161, 345/30
G03C 1/54 (2006.01) G03F 7/016 (2006.01) G03F 7/20 (2006.01) H01S 3/081 (2006.01)
Patent
CA 1094860
Abstract of the Disclosure A process for recording laser radiation is disclosed. A photo- sensitive material comprising a copying coating and a carrier is exposed to visible laser light having no ultra-violet component and is then developed. The process is characterised by the use of a negative working diazonium com- pound and a binder which together form the copying coating. The diazonium compound comprises more than 25 percent of the total coating weight. The re- latively high concentration of diazonium compounds causes an increased photo- sensitivity when the material is exposed to laser light from which virtually all the ultra-violet in the range of sensitivity of the diazonium compound has boon excluded loading to increased exposure speeds or of shortened exposure times.
279807
Faust Raimund
Jeffers William
Liu Shuchen
Seeley Douglas A.
Faust Raimund
Fetherstonhaugh & Co.
Jeffers William
Liu Shuchen
Seeley Douglas A.
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