Method for producing optical lens
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United States of America Patent
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Mar 8, 2016
Grant Date -
Apr 10, 2014
app pub date -
Feb 28, 2012
filing date -
Feb 28, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A method for producing an optical lens includes: forming a mark outside a lens region set in a lens substrate, the mark being adapted to perform position alignment; pattern-forming a masking layer above one principal surface of the lens substrate while controlling formation position of the masking layer with the mark as a reference, the masking layer having an aperture at a predetermined position in the lens region; performing a selective process with respect to a surface exposed from the bottom of the aperture of the masking layer by performing a process from above the masking layer; and removing the masking layer from above the lens substrate to form a processed pattern by the selective process on the side of the one principal surface of the lens substrate.
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