G - Physics – 02 – F
Patent
G - Physics
02
F
345/59
G02F 1/13 (2006.01) B41M 5/28 (2006.01) G02F 1/133 (2006.01)
Patent
CA 1067990
BEAM ADDRESSED LIQUID CRYSTAL CELLS Abstract of the Disclosure A beam addressed liquid crystal cell having an absorbing layer adapted to absorb energy in the infra- red spectrum while transmitting substantial energy in the visible spectrum is disclosed. In a preferred em- bodiment the absorbing layer contains the reaction pro- duct of bis (dithiobenzil) nickel and a polyamide. This absorbing layer absorbs at least 90% of the gallium arsenide laser wavelengths and at the same time per- mits transmission in the visible spectrum to be of the ????? of 80%.
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