Invention Grant
- Patent Title: Vibrator, ultrasonic motor, and optical device
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Application No.: US15782541Application Date: 2017-10-12
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Publication No.: US10763762B2Publication Date: 2020-09-01
- Inventor: Yasuhiro Tanaka
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: CANON KABUSHIKI KAISHA
- Current Assignee: CANON KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Agency: Canon U.S.A., Inc. IP Division
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@4a2416a2 com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@41dbbeea
- Main IPC: H01L41/04
- IPC: H01L41/04 ; H02N2/00 ; G02B7/10 ; H01L41/313 ; G02B7/08 ; H02N2/02 ; H01L41/08

Abstract:
A vibrator includes a piezoelectric element including a piezoelectric ceramic having an electrode, a vibration plate, and an adhesive layer between the piezoelectric element and the vibration plate, wherein the adhesive layer is obtained by a resin containing 50 parts by mass or more and 80 parts by mass or less of organic particles having a number average particle size of 5 μm or more and 15 μm or less, relative to 100 parts by mass of the resin.
Public/Granted literature
- US20180109204A1 VIBRATOR, ULTRASONIC MOTOR, AND OPTICAL DEVICE Public/Granted day:2018-04-19
Information query
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