Title:
圧電素子
Document Type and Number:
Japanese Patent JP7099596
Kind Code:
B1
Abstract:
【課題】振動効率の向上が図られる圧電素子を提供する。【解決手段】圧電素子１は、互いに対向する第１の主面４Ａ及び第２の主面４Ｂと、第１の主面４Ａ及び第２の主面４Ｂを結ぶ周面５とを有し、平面視において円形をなす圧電素体２と、第１の主面４Ａ及び第２の主面４の少なくとも一方の設けられた電極３と、を備え、電極３の外縁部３ａの厚さは、当該外縁部３ａの縁３ａａに向かって徐々に小さくなっている。【選択図】図３
Inventors:
Tomohisa Azuma
Yoshio Ota
北▲崎▼ 将士
Hiroyuki Ijiri
Katsuya Inaba
Mikio Sumiyoshi
Yoshio Ota
北▲崎▼ 将士
Hiroyuki Ijiri
Katsuya Inaba
Mikio Sumiyoshi
Application Number:
JP2021116449A
Publication Date:
July 12, 2022
Filing Date:
July 14, 2021
Export Citation:
Assignee:
tdk Corporation
International Classes:
H01L41/047; H01L41/09; H01L41/113; H01L41/187
Domestic Patent References:
| JP2006319156A | 2006-11-24 | |||
| JPS63187358U | 1988-11-30 |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Mikami Takashi
Yoshiki Kuroki
Mikami Takashi
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