CN110560350A - 基于Helmholtz共振腔的接收超声换能器 - Google Patents
基于Helmholtz共振腔的接收超声换能器 Download PDFInfo
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- CN110560350A CN110560350A CN201910759772.6A CN201910759772A CN110560350A CN 110560350 A CN110560350 A CN 110560350A CN 201910759772 A CN201910759772 A CN 201910759772A CN 110560350 A CN110560350 A CN 110560350A
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- ultrasonic transducer
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000000758 substrate Substances 0.000 claims abstract description 44
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 43
- 239000010703 silicon Substances 0.000 claims abstract description 43
- 238000005530 etching Methods 0.000 claims abstract description 15
- 239000000126 substance Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000026683 transduction Effects 0.000 description 3
- 238000010361 transduction Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000006098 acoustic absorber Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005459 micromachining Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
Classifications
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- 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
-
- 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
- B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
- B06B2201/50—Application to a particular transducer type
- B06B2201/55—Piezoelectric transducer
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- Transducers For Ultrasonic Waves (AREA)
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Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111599914A (zh) * | 2020-05-25 | 2020-08-28 | 中国电子科技集团公司第十三研究所 | 基于弹性梁结构的mems压电声压传感芯片的制备方法 |
CN112138972A (zh) * | 2020-09-28 | 2020-12-29 | 京东方科技集团股份有限公司 | 一种声波换能单元及其制备方法、声波换能器 |
CN112871614A (zh) * | 2021-01-12 | 2021-06-01 | 武汉大学 | 高发射性能的mems超声换能器 |
WO2021134692A1 (zh) * | 2019-12-31 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | 换能器及其制作方法 |
CN113578723A (zh) * | 2020-12-31 | 2021-11-02 | 瑞声声学科技(深圳)有限公司 | 声换能器及电子设备 |
CN114007175A (zh) * | 2021-10-19 | 2022-02-01 | 上海交通大学 | 超声换能器阵列及其形成方法 |
CN114112010A (zh) * | 2022-01-26 | 2022-03-01 | 青岛国数信息科技有限公司 | 一种用于超低频水下声学信号检测的声学测量单元及装置 |
CN115055356A (zh) * | 2022-06-10 | 2022-09-16 | 复旦大学 | 一种具有环状压电层的微机械超声换能器 |
CN115156017A (zh) * | 2022-07-01 | 2022-10-11 | 复旦大学 | 一种半固定的微机械超声换能器 |
WO2023015485A1 (zh) * | 2021-08-11 | 2023-02-16 | 深圳市韶音科技有限公司 | 一种传声器 |
CN116011122A (zh) * | 2023-02-22 | 2023-04-25 | 华中科技大学 | 一种计算周期异形管道超材料声传输的计算方法 |
EP4246106A3 (en) * | 2022-02-24 | 2023-12-20 | Qorvo US, Inc. | Integrated piezoresitive (pzr) and piezoelectric micromachined ultrasonic transducer (pmut) device and related high-voltage (hv) / bipolar-cmos-dmos (bcd) processing methods |
TWI829456B (zh) * | 2022-12-06 | 2024-01-11 | 大陸商茂丞(鄭州)超聲科技有限公司 | 壓電微機械超聲波換能器及其壓電微機械超聲波換能器陣列 |
WO2024093469A1 (zh) * | 2022-11-03 | 2024-05-10 | 广州乐仪投资有限公司 | 具有减薄部的pmut结构、其制造方法及包含其的电子设备 |
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US20160167956A1 (en) * | 2013-10-15 | 2016-06-16 | Invensense, Inc. | Integrated cmos back cavity acoustic transducer and the method of producing the same |
CN208987176U (zh) * | 2018-10-11 | 2019-06-14 | 东莞希越电子有限公司 | 一种压电薄膜麦克风结构 |
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- 2019-08-16 CN CN201910759772.6A patent/CN110560350B/zh active Active
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CN103660573A (zh) * | 2012-09-08 | 2014-03-26 | 珠海纳思达电子科技有限公司 | 一种液体喷墨头 |
US20160167956A1 (en) * | 2013-10-15 | 2016-06-16 | Invensense, Inc. | Integrated cmos back cavity acoustic transducer and the method of producing the same |
CN203708424U (zh) * | 2013-12-30 | 2014-07-09 | 瑞声声学科技(深圳)有限公司 | 麦克风 |
CN208987176U (zh) * | 2018-10-11 | 2019-06-14 | 东莞希越电子有限公司 | 一种压电薄膜麦克风结构 |
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Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021134692A1 (zh) * | 2019-12-31 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | 换能器及其制作方法 |
CN111599914A (zh) * | 2020-05-25 | 2020-08-28 | 中国电子科技集团公司第十三研究所 | 基于弹性梁结构的mems压电声压传感芯片的制备方法 |
CN111599914B (zh) * | 2020-05-25 | 2024-01-30 | 中国电子科技集团公司第十三研究所 | 基于弹性梁结构的mems压电声压传感芯片的制备方法 |
CN112138972A (zh) * | 2020-09-28 | 2020-12-29 | 京东方科技集团股份有限公司 | 一种声波换能单元及其制备方法、声波换能器 |
CN112138972B (zh) * | 2020-09-28 | 2022-09-09 | 京东方科技集团股份有限公司 | 一种声波换能单元及其制备方法、声波换能器 |
US11813641B2 (en) | 2020-09-28 | 2023-11-14 | Boe Technology Group Co., Ltd. | Acoustic transduction unit, manufacturing method thereof and acoustic transducer |
CN113578723A (zh) * | 2020-12-31 | 2021-11-02 | 瑞声声学科技(深圳)有限公司 | 声换能器及电子设备 |
CN112871614A (zh) * | 2021-01-12 | 2021-06-01 | 武汉大学 | 高发射性能的mems超声换能器 |
CN112871614B (zh) * | 2021-01-12 | 2022-03-15 | 武汉大学 | 高发射性能的mems超声换能器 |
WO2023015485A1 (zh) * | 2021-08-11 | 2023-02-16 | 深圳市韶音科技有限公司 | 一种传声器 |
CN114007175A (zh) * | 2021-10-19 | 2022-02-01 | 上海交通大学 | 超声换能器阵列及其形成方法 |
CN114112010A (zh) * | 2022-01-26 | 2022-03-01 | 青岛国数信息科技有限公司 | 一种用于超低频水下声学信号检测的声学测量单元及装置 |
EP4246106A3 (en) * | 2022-02-24 | 2023-12-20 | Qorvo US, Inc. | Integrated piezoresitive (pzr) and piezoelectric micromachined ultrasonic transducer (pmut) device and related high-voltage (hv) / bipolar-cmos-dmos (bcd) processing methods |
CN115055356A (zh) * | 2022-06-10 | 2022-09-16 | 复旦大学 | 一种具有环状压电层的微机械超声换能器 |
CN115055356B (zh) * | 2022-06-10 | 2024-05-10 | 复旦大学 | 一种具有环状压电层的微机械超声换能器 |
CN115156017A (zh) * | 2022-07-01 | 2022-10-11 | 复旦大学 | 一种半固定的微机械超声换能器 |
CN115156017B (zh) * | 2022-07-01 | 2023-09-08 | 复旦大学 | 一种半固定的微机械超声换能器 |
WO2024093469A1 (zh) * | 2022-11-03 | 2024-05-10 | 广州乐仪投资有限公司 | 具有减薄部的pmut结构、其制造方法及包含其的电子设备 |
TWI829456B (zh) * | 2022-12-06 | 2024-01-11 | 大陸商茂丞(鄭州)超聲科技有限公司 | 壓電微機械超聲波換能器及其壓電微機械超聲波換能器陣列 |
CN116011122A (zh) * | 2023-02-22 | 2023-04-25 | 华中科技大学 | 一种计算周期异形管道超材料声传输的计算方法 |
CN116011122B (zh) * | 2023-02-22 | 2023-08-25 | 华中科技大学 | 一种计算周期异形管道超材料声传输的计算方法 |
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Effective date of registration: 20220826 Address after: No.01, 4th floor, building D7, phase 3, Wuhan Software New Town, No.9 Huacheng Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430000 Patentee after: Wuhan Minsheng New Technology Co.,Ltd. Address before: 315832 e2025, zone a, Room 401, building 1, No. 88, Meishan Qixing Road, Beilun District, Ningbo, Zhejiang Province Patentee before: Ningbo Huazhang enterprise management partnership (L.P.) |
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