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US 2025/0034294 A1Published application
Cured product, optical element, optical apparatus, and image pickup apparatus
AssigneeCanon Kabushiki Kaisha
InventorsKei Tagami, Kouichi Yonetani, Kumiko Yashima
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Abstract
Provided is a cured product of a resin composition including a (meth)acrylate compound and a compound having at least one thiol group, wherein the content of the compound having at least one thiol group in the cured product is 30 mass % or less, and wherein the cured product has a secondary dispersion characteristic of 0.65 or more.
Claims16
An optical element comprising:
- a transparent substrate;
- and
- a cured product arranged on the transparent substrate,
- wherein the cured product is a cured product of a resin composition comprising:
- at least one compound selected from the group consisting of an acrylate compound and a methacrylate compound;
- and
- a compound having at least one thiol group,
- wherein a content of the compound having at least one thiol group in the cured product is 30 mass % or less, and
- wherein the cured product has a secondary dispersion characteristic of 0.65 or more.
6 more elements
An optical element comprising:
- two transparent substrates;
- and
- a cured product sandwiched between the two transparent substrates,
- wherein the cured product is a cured product of a resin composition comprising:
- at least one compound selected from the group consisting of an acrylate compound and a methacrylate compound;
- and
- a compound having at least one thiol group,
- wherein a content of the compound having at least one thiol group in the cured product is 30 mass % or less, and
- wherein the cured product has a secondary dispersion characteristic of 0.65 or more.
6 more elements
Dependencies are inferred from the claim text.