| http://www.w3.org/ns/prov#value | - In a ferro-electric liquid crystal device embodying the invention the surface alignment layer may provide a pre-tilt angle of ?? in the range ?????10??? when measured with a nematic liquid crystal such as E7 and the natural alignment in the Sc.sup.. phase has been modified by the method embodying the present invention such that a configuration is obtained in which the chevron angle, ?? is in the r
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