CN117957858A - 压电元件及电声转换器 - Google Patents
压电元件及电声转换器 Download PDFInfo
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- CN117957858A CN117957858A CN202280060037.6A CN202280060037A CN117957858A CN 117957858 A CN117957858 A CN 117957858A CN 202280060037 A CN202280060037 A CN 202280060037A CN 117957858 A CN117957858 A CN 117957858A
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- Prior art keywords
- piezoelectric
- layer
- piezoelectric element
- protruding portion
- electrode layer
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/02—Microphones
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021-157983 | 2021-09-28 | ||
| JP2021157983 | 2021-09-28 | ||
| PCT/JP2022/030855 WO2023053750A1 (ja) | 2021-09-28 | 2022-08-15 | 圧電素子および電気音響変換器 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117957858A true CN117957858A (zh) | 2024-04-30 |
Family
ID=85782338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202280060037.6A Pending CN117957858A (zh) | 2021-09-28 | 2022-08-15 | 压电元件及电声转换器 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPWO2023053750A1 (ja) |
| CN (1) | CN117957858A (ja) |
| TW (1) | TW202315175A (ja) |
| WO (1) | WO2023053750A1 (ja) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6054486A (ja) * | 1983-09-05 | 1985-03-28 | Toshiba Corp | 高分子素子のリ−ド線接続部 |
| 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 |
| JP7206294B2 (ja) * | 2018-11-08 | 2023-01-17 | 富士フイルム株式会社 | 積層圧電素子および電気音響変換器 |
| JP7449373B2 (ja) * | 2020-05-07 | 2024-03-13 | 富士フイルム株式会社 | 圧電素子および圧電スピーカー |
-
2022
- 2022-08-15 WO PCT/JP2022/030855 patent/WO2023053750A1/ja active Application Filing
- 2022-08-15 CN CN202280060037.6A patent/CN117957858A/zh active Pending
- 2022-08-15 JP JP2023550437A patent/JPWO2023053750A1/ja active Pending
- 2022-08-24 TW TW111131866A patent/TW202315175A/zh unknown
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| Publication number | Publication date |
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| TW202315175A (zh) | 2023-04-01 |
| JPWO2023053750A1 (ja) | 2023-04-06 |
| WO2023053750A1 (ja) | 2023-04-06 |
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