Invention Grant
- Patent Title: Optical element, method for manufacturing optical element, optical system, and optical apparatus
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Application No.: US16151629Application Date: 2018-10-04
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Publication No.: US10705259B2Publication Date: 2020-07-07
- Inventor: Kazue Uchida
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: CANON KABUSHIKI KAISHA
- Current Assignee: CANON KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Agency: Carter, DeLuca & Farrell LLP
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@8eaea38
- Main IPC: G02B1/115
- IPC: G02B1/115
Abstract:
An optical element includes a substrate, and an antireflection film formed on the substrate and including a plurality of layers. The optical element satisfies predetermined conditions.
Public/Granted literature
- US20190107650A1 OPTICAL ELEMENT, METHOD FOR MANUFACTURING OPTICAL ELEMENT, OPTICAL SYSTEM, AND OPTICAL APPARATUS Public/Granted day:2019-04-11
Information query
