CN103460721B - 具有间隙控制几何形状的声换能器以及声换能器制造方法 - Google Patents
具有间隙控制几何形状的声换能器以及声换能器制造方法 Download PDFInfo
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- CN103460721B CN103460721B CN201280016220.2A CN201280016220A CN103460721B CN 103460721 B CN103460721 B CN 103460721B CN 201280016220 A CN201280016220 A CN 201280016220A CN 103460721 B CN103460721 B CN 103460721B
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- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
-
- 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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/01—Manufacture or treatment
- H10N30/05—Manufacture of multilayered piezoelectric or electrostrictive devices, or parts thereof, e.g. by stacking piezoelectric bodies and electrodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/01—Manufacture or treatment
- H10N30/07—Forming of piezoelectric or electrostrictive parts or bodies on an electrical element or another base
- H10N30/074—Forming of piezoelectric or electrostrictive parts or bodies on an electrical element or another base by depositing piezoelectric or electrostrictive layers, e.g. aerosol or screen printing
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/01—Manufacture or treatment
- H10N30/08—Shaping or machining of piezoelectric or electrostrictive bodies
- H10N30/082—Shaping or machining of piezoelectric or electrostrictive bodies by etching, e.g. lithography
-
- 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
- H04R17/025—Microphones using a piezoelectric polymer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/003—Mems transducers or their use
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2410/00—Microphones
- H04R2410/03—Reduction of intrinsic noise in microphones
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Micromachines (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Abstract
Description
Claims (18)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161470384P | 2011-03-31 | 2011-03-31 | |
US61/470,384 | 2011-03-31 | ||
PCT/US2012/025487 WO2013002847A1 (en) | 2011-03-31 | 2012-02-16 | Acoustic transducer with gap-controlling geometry and method of manufacturing an acoustic transducer |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103460721A CN103460721A (zh) | 2013-12-18 |
CN103460721B true CN103460721B (zh) | 2017-05-24 |
Family
ID=46927295
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201280016220.2A Active CN103460721B (zh) | 2011-03-31 | 2012-02-16 | 具有间隙控制几何形状的声换能器以及声换能器制造方法 |
Country Status (6)
Country | Link |
---|---|
US (4) | US9055372B2 (zh) |
EP (1) | EP2692153B1 (zh) |
JP (1) | JP5936154B2 (zh) |
KR (3) | KR102193843B1 (zh) |
CN (1) | CN103460721B (zh) |
WO (1) | WO2013002847A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113042350A (zh) * | 2021-04-20 | 2021-06-29 | 广州蜂鸟传感科技有限公司 | 一种压电微机械换能器 |
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US10170685B2 (en) * | 2008-06-30 | 2019-01-01 | The Regents Of The University Of Michigan | Piezoelectric MEMS microphone |
WO2013002847A1 (en) | 2011-03-31 | 2013-01-03 | Bakr-Calling, Inc. | Acoustic transducer with gap-controlling geometry and method of manufacturing an acoustic transducer |
US8983097B2 (en) * | 2012-02-29 | 2015-03-17 | Infineon Technologies Ag | Adjustable ventilation openings in MEMS structures |
GB2506174A (en) | 2012-09-24 | 2014-03-26 | Wolfson Microelectronics Plc | Protecting a MEMS device from excess pressure and shock |
KR101509342B1 (ko) * | 2013-10-01 | 2015-04-07 | 재단법인대구경북과학기술원 | 인공와우용 음향 센서 장치 |
JP6178285B2 (ja) * | 2014-06-26 | 2017-08-09 | 株式会社レーベン販売 | 光マイクロフォン、そのプログラム、制御方法、および補聴器 |
US10825982B1 (en) * | 2014-09-11 | 2020-11-03 | Vesper Technologies Inc. | Piezoelectric micro-electro-mechanical systems (MEMS) device with a beam strengthening physical element |
WO2016054447A1 (en) | 2014-10-02 | 2016-04-07 | Chirp Microsystems | Micromachined ultrasonic transducers with a slotted membrane structure |
US9503820B2 (en) | 2015-01-23 | 2016-11-22 | Silicon Audio Directional, Llc | Multi-mode microphones |
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US9648433B1 (en) * | 2015-12-15 | 2017-05-09 | Robert Bosch Gmbh | Absolute sensitivity of a MEMS microphone with capacitive and piezoelectric electrodes |
US9516421B1 (en) | 2015-12-18 | 2016-12-06 | Knowles Electronics, Llc | Acoustic sensing apparatus and method of manufacturing the same |
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WO2017151650A1 (en) | 2016-02-29 | 2017-09-08 | Littrell Robert J | A piezoelectric mems device for producing a signal indicative of detection of an acoustic stimulus |
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