Post and pocket microstructures containing moveable particles having optical effects
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 10, 2003
Grant Date -
Sep 19, 2002
app pub date -
Mar 14, 2001
filing date -
Mar 14, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A microfabricated structure to interact with electromagnetic waves, such as a visual display apparatus for positioning movable particles, the structure comprising a substrate containing a plurality of pockets and/or a plurality of posts, and a plurality of optically anisotropic particles placed in the substrate. Pockets are sealable in relation to other pockets and to air, and each pocket being capable of positioning at least one particle.
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