Electro-optical device having inverted domains formed inside a ferro-electric substrate and electro-optical unit utilizing thereof
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United States of America Patent
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Jul 28, 1998
Grant Date -
N/A
app pub date -
Nov 22, 1996
filing date -
Nov 24, 1995
priority date (Note) -
Expired
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Abstract
An electro-optical device such as an optical deflector comprising a ferro-electric substrate, electrodes provided on principal surfaces of this substrate and an inverted domain having a polygonal, e.g. triangular shape formed in the substrate, at least one of the domain walls of these domains being effectively perpendicular to the principal surfaces of the substrate, and a light beam passing through at least two of the domain walls, thus permitting fast random access, wide deflection angle and high resolution.
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