Title:
PIEZOELECTRIC DRIVE ELEMENT
Document Type and Number:
WIPO Patent Application WO/2022/153685
Kind Code:
A1
Abstract:
A piezoelectric drive element (1) is provided with: a movable portion (10); a pair of piezoelectric drive portions (20) of which end portions (20a) are connected to the movable portion (10), and which cause the movable portion (10) to pivot at least about a pivot axis (R10); and fixed portions (30) to which end portions (20b) of the piezoelectric drive portions (20) are connected. The pair of piezoelectric drive portions (20) are arranged sandwiching the movable portion (10) along the pivot axis (R10), the width of the movable portion (10) is less than the width of the pair of piezoelectric drive portions (20) in a plan view, and the fixed portions (30) are disposed in gap regions (G) to the outside of the movable portion (10) and sandwiched between the pair of piezoelectric drive portions (20) in a plan view.
Inventors:
TAKAYAMA RYOUICHI
KOMAKI KAZUKI
ISHIDA TAKAMI
MIHARA KENSUKE
KOMAKI KAZUKI
ISHIDA TAKAMI
MIHARA KENSUKE
Application Number:
PCT/JP2021/043297
Publication Date:
July 21, 2022
Filing Date:
November 25, 2021
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H02N2/12; G02B26/10
Foreign References:
| JP2008193890A | 2008-08-21 |
Attorney, Agent or Firm:
SHIBANO, Masanori et al. (JP)
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