Cured product, and optical element, diffractive optical element, optical apparatus, and imaging device using the cured product
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United States of America Patent
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May 31, 2022
Grant Date -
Nov 14, 2019
app pub date -
May 9, 2019
filing date -
May 14, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A cured product contains a dispersant, inorganic particles, and a resin that is a product of polymerization or copolymerization of a curable resin. The dispersant contains a compound represented by a formula R—X, wherein R represents a group having an acryloyloxy group or a methacryloyloxy group at an end of the molecule thereof, and X represents a carboxy group. The dispersant content is 10 parts by volume to 20 parts by volume relative to 100 parts by volume of the cured product. The curable resin contains at least one monomer having an N number of polymerizable reactive group, wherein N represents an integer of 2 or more. The proportion of the at least one monomer is 25 parts by volume to 76 parts by volume relative to 100 parts by volume of the cured product.
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