Invention Grant
- Patent Title: Optical filter device, optical module, and electronic apparatus
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Application No.: US16869764Application Date: 2020-05-08
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Publication No.: US11493748B2Publication Date: 2022-11-08
- Inventor: Daisuke Saito , Satoshi Fujisawa , Yasushi Matsuno , Nozomu Hirokubo
- Applicant: Seiko Epson Corporation
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: JP2014-198455 20140929
- Main IPC: G02B26/00
- IPC: G02B26/00 ; G01J3/26 ; G02B5/28 ; G02B7/00

Abstract:
An optical filter device includes a wavelength variable interference filter that includes a pair of reflective films which face each other, and a fixed substrate in which one of the pair of reflective films is provided; a base to which the fixed substrate is fixed; and a fixing member which fixes one place on the fixed substrate to the base, a surface which is on other place of the one place of the substrate and the base are disposed with a gap therebetween.
Public/Granted literature
- US20200264425A1 Optical Filter Device, Optical Module, And Electronic Apparatus Public/Granted day:2020-08-20
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