US Patent 10120107 Optical element and method for producing optical element
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Patent abstract
An optical element having a substrate and a light-shielding film on part of an outer portion of the substrate further contains a coating on the light-shielding film, the coating containing a cured mixture of a melamine or benzoguanamine resin, and a phenolic resin, in proportions by mass of 1:5 to 7:5.
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Patent Inventor Names
Keiko Abe0
Tomonari Nakayama0
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Patent Number
101201070
Date of Patent
November 6, 2018
0Patent Application Number
149479100
Date Filed
November 20, 2015
0Patent Citations Received
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US Patent 10120107 Optical element and method for producing optical element
Infobox
Is a
Patent jurisdiction
Patent number
10120107
Date of patent
November 6, 2018
Patent application number
14947910
Date Filed
November 20, 2015
Patent primary examiner
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