CN109511023B - 一种高灵敏度的压电麦克风及制作方法 - Google Patents
一种高灵敏度的压电麦克风及制作方法 Download PDFInfo
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- CN109511023B CN109511023B CN201811479373.6A CN201811479373A CN109511023B CN 109511023 B CN109511023 B CN 109511023B CN 201811479373 A CN201811479373 A CN 201811479373A CN 109511023 B CN109511023 B CN 109511023B
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Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2231/00—Details of apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor covered by H04R31/00, not provided for in its subgroups
- H04R2231/001—Moulding aspects of diaphragm or surround
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Abstract
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CN201811479373.6A CN109511023B (zh) | 2018-12-05 | 2018-12-05 | 一种高灵敏度的压电麦克风及制作方法 |
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CN109511023A CN109511023A (zh) | 2019-03-22 |
CN109511023B true CN109511023B (zh) | 2020-09-22 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111314829B (zh) * | 2019-11-22 | 2021-04-02 | 武汉大学 | 一种具有声管的mems压电超声换能器 |
CN111405441B (zh) * | 2020-04-16 | 2021-06-15 | 瑞声声学科技(深圳)有限公司 | 一种压电式mems麦克风 |
CN111669690A (zh) * | 2020-07-10 | 2020-09-15 | 瑞声科技(南京)有限公司 | 一种压电式麦克风及其制备工艺 |
CN112584283B (zh) * | 2020-11-30 | 2022-02-18 | 瑞声新能源发展(常州)有限公司科教城分公司 | 压电mems麦克风及其阵列和制备方法 |
CN112929802A (zh) * | 2021-01-25 | 2021-06-08 | 清华大学 | 一种基于二维薄膜的高灵敏度微型自供电声电转换器 |
CN113259821B (zh) * | 2021-06-17 | 2021-10-19 | 绍兴中芯集成电路制造股份有限公司 | 麦克风及其制造方法 |
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CN207585802U (zh) * | 2017-09-11 | 2018-07-06 | 重庆大学 | 一种基于soi和压电薄膜的声表面波高温压力传感器芯片 |
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CN102520032B (zh) * | 2011-12-05 | 2014-08-06 | 西安交通大学 | 一种基于cmut的生化传感器及其制备方法 |
CN204128719U (zh) * | 2014-09-28 | 2015-01-28 | 缪建民 | 高灵敏度硅压阻压力传感器 |
CN104296899B (zh) * | 2014-09-28 | 2017-04-12 | 缪建民 | 高灵敏度硅压阻压力传感器及其制备方法 |
CN106257254B (zh) * | 2015-06-22 | 2020-03-20 | 意法半导体股份有限公司 | 生成具有降低的环境温度依赖性的换能信号的压力传感器及其制造方法 |
CN105841852B (zh) * | 2016-05-30 | 2018-08-03 | 华中科技大学 | 一种基于掺杂硅烯的mems压阻式压力传感器及其制造方法 |
CN108918662B (zh) * | 2018-05-16 | 2020-10-27 | 西安交通大学 | 一种CMUTs流体密度传感器及其制备方法 |
CN108917991B (zh) * | 2018-06-28 | 2019-10-25 | 武汉大学 | 高灵敏度压电mems传感器及其制备方法 |
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CN207585802U (zh) * | 2017-09-11 | 2018-07-06 | 重庆大学 | 一种基于soi和压电薄膜的声表面波高温压力传感器芯片 |
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Effective date of registration: 20220823 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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