US Patent 11186512 Mold manufacturing method
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Patent abstract
Provided is a mold manufacturing method that is capable of manufacturing a mold of a complex shape particularly of an optical element with sufficient shape accuracy and within a relatively short time. This mold manufacturing method includes: a step for forming a base made of metal into a first shape through machining; a step for coating the base with a resin layer; a step for forming the resin layer into a second shape; and a step for forming the base into a third shape through dry-etching.
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Patent Jurisdiction
Patent Number
111865120
Date of Patent
November 30, 2021
0Patent Application Number
167520820
Date Filed
January 24, 2020
0Official Website
Patent Primary Examiner
Edits on 28 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
111865120
Date of Patent
November 30, 2021
0Patent Application Number
167520820
Date Filed
January 24, 2020
0Official Website
Patent Primary Examiner
Edits on 15 Jun, 2022
Golden AI
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US Patent 11186512 Mold manufacturing method
Infobox
Is a
Patent jurisdiction
Patent number
11186512
Date of patent
November 30, 2021
Patent application number
16752082
Date Filed
January 24, 2020
Patent primary examiner
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