Fabrication of liquid lens arrays
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United States of America Patent
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Dec 30, 2014
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N/A
app pub date -
May 24, 2013
filing date -
May 24, 2013
priority date (Note) -
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Abstract
A method of fabricating a liquid lens array creates an array of through holes of axisymmetric cross-section through a central plate, forms conductive traces on the side walls of each of the through holes and on a portion of the top and bottom surfaces of the central plate contiguous with each through hole, and bonds the bottom surface of the central plate around each through hole to the top surface of a transparent base plate, forming an array of cavities. The method applies an insulating layer to the side walls of each cavity, portions of the top surface of the base plate lying within each cavity, and portions of the top surface of the transparent central plate surrounding each cavity, introduces a polar liquid and a non-polar liquid into each cavity; and bonds the top surface of the central plate to the bottom surface of a transparent top plate.
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