JPWO2021200455A5 - - Google Patents

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Publication number
JPWO2021200455A5
JPWO2021200455A5 JP2022512021A JP2022512021A JPWO2021200455A5 JP WO2021200455 A5 JPWO2021200455 A5 JP WO2021200455A5 JP 2022512021 A JP2022512021 A JP 2022512021A JP 2022512021 A JP2022512021 A JP 2022512021A JP WO2021200455 A5 JPWO2021200455 A5 JP WO2021200455A5
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JP
Japan
Prior art keywords
laminated
piezoelectric element
diaphragm
element according
folded
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2022512021A
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English (en)
Japanese (ja)
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JP7386324B2 (ja
JPWO2021200455A1 (https=
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Priority claimed from PCT/JP2021/012200 external-priority patent/WO2021200455A1/ja
Publication of JPWO2021200455A1 publication Critical patent/JPWO2021200455A1/ja
Publication of JPWO2021200455A5 publication Critical patent/JPWO2021200455A5/ja
Application granted granted Critical
Publication of JP7386324B2 publication Critical patent/JP7386324B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2022512021A 2020-03-31 2021-03-24 積層圧電素子および電気音響変換器 Active JP7386324B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2020061719 2020-03-31
JP2020061719 2020-03-31
JP2020206068 2020-12-11
JP2020206068 2020-12-11
PCT/JP2021/012200 WO2021200455A1 (ja) 2020-03-31 2021-03-24 積層圧電素子および電気音響変換器

Publications (3)

Publication Number Publication Date
JPWO2021200455A1 JPWO2021200455A1 (https=) 2021-10-07
JPWO2021200455A5 true JPWO2021200455A5 (https=) 2022-12-20
JP7386324B2 JP7386324B2 (ja) 2023-11-24

Family

ID=77928771

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022512021A Active JP7386324B2 (ja) 2020-03-31 2021-03-24 積層圧電素子および電気音響変換器

Country Status (7)

Country Link
US (1) US20230026623A1 (https=)
EP (1) EP4129497A4 (https=)
JP (1) JP7386324B2 (https=)
KR (1) KR20220145379A (https=)
CN (1) CN115298842A (https=)
TW (1) TW202143516A (https=)
WO (1) WO2021200455A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113433746A (zh) * 2021-06-10 2021-09-24 深圳市华星光电半导体显示技术有限公司 显示面板和显示装置
CN117981356A (zh) * 2021-09-24 2024-05-03 富士胶片株式会社 压电元件及压电扬声器

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5647199A (en) * 1979-09-26 1981-04-28 Toray Ind Inc Polymer piezoelectric transducer of multilayered lamination type
JPS5787700A (en) * 1980-11-20 1982-06-01 Nec Corp Transmitter and receiver
JPS59178782A (ja) * 1983-03-29 1984-10-11 Kureha Chem Ind Co Ltd 高分子バイモルフ構造体
US4725994A (en) * 1984-06-14 1988-02-16 Kabushiki Kaisha Toshiba Ultrasonic transducer with a multiple-folded piezoelectric polymer film
US6870306B2 (en) * 2000-08-11 2005-03-22 Ecchandes Inc. Overlapping type piezoelectric stator, overlapping type piezoelectric actuator and applications thereof
JP2008096371A (ja) * 2006-10-16 2008-04-24 Seiko Epson Corp インクジェットヘッド
JP6025477B2 (ja) * 2012-09-25 2016-11-16 帝人株式会社 圧電スピーカー
JP2014168132A (ja) * 2013-01-31 2014-09-11 Teijin Ltd 高分子圧電スピーカー
JP6005089B2 (ja) * 2013-03-29 2016-10-12 富士フイルム株式会社 電気音響変換フィルム
JP6201583B2 (ja) 2013-09-30 2017-09-27 株式会社村田製作所 圧電デバイスおよび圧電デバイスの製造方法
JP6199245B2 (ja) 2014-06-30 2017-09-20 富士フイルム株式会社 電気音響変換フィルムおよび電気音響変換フィルムの導通方法
WO2017030192A1 (ja) * 2015-08-20 2017-02-23 富士フイルム株式会社 電気音響変換フィルム
WO2018020887A1 (ja) * 2016-07-27 2018-02-01 富士フイルム株式会社 ピックアップセンサおよび生体センサ
JP2019007749A (ja) * 2017-06-20 2019-01-17 ヤマハ株式会社 圧力センサー

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