WO2011142637A3 - 그라핀 맴브레인을 이용한 mems 마이크로폰과 그 제조방법 - Google Patents
그라핀 맴브레인을 이용한 mems 마이크로폰과 그 제조방법 Download PDFInfo
- Publication number
- WO2011142637A3 WO2011142637A3 PCT/KR2011/003584 KR2011003584W WO2011142637A3 WO 2011142637 A3 WO2011142637 A3 WO 2011142637A3 KR 2011003584 W KR2011003584 W KR 2011003584W WO 2011142637 A3 WO2011142637 A3 WO 2011142637A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mems microphone
- graphene membrane
- frequency domain
- manufacturing same
- present
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/04—Microphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Pressure Sensors (AREA)
Abstract
본 발명은 그라핀 맴브레인을 이용한 MEMS 마이크로폰과 그 제조방법에 관한 것으로, 그라핀 맴브레인부, 그라핀 맴브레인부에 대향하여 이격 배치되어, 그라핀 맴브레인부와 에어 갭을 형성하는 백 플레이트부를 포함한다. 이로써, 고민감도 및 적은 전압에서 작동할 수 있고, 주파수 영역이 넓어 가청주파수 및 그 이하 및 이상의 주파수 영역에서 음파를 측정할 수 있으며, 구조가 간단하고 대량 생산이 가능하게 된다.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100045403A KR101058475B1 (ko) | 2010-05-14 | 2010-05-14 | 그라핀 맴브레인을 이용한 mems 마이크로폰과 그 제조방법 |
KR10-2010-0045403 | 2010-05-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2011142637A2 WO2011142637A2 (ko) | 2011-11-17 |
WO2011142637A3 true WO2011142637A3 (ko) | 2012-02-02 |
Family
ID=44914862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2011/003584 WO2011142637A2 (ko) | 2010-05-14 | 2011-05-16 | 그라핀 맴브레인을 이용한 mems 마이크로폰과 그 제조방법 |
Country Status (2)
Country | Link |
---|---|
KR (1) | KR101058475B1 (ko) |
WO (1) | WO2011142637A2 (ko) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014100012A1 (en) * | 2012-12-20 | 2014-06-26 | The Regents Of The University Of California | Electrostatic graphene speaker |
US9516428B2 (en) | 2013-03-14 | 2016-12-06 | Infineon Technologies Ag | MEMS acoustic transducer, MEMS microphone, MEMS microspeaker, array of speakers and method for manufacturing an acoustic transducer |
KR20150050829A (ko) * | 2013-11-01 | 2015-05-11 | 엘지전자 주식회사 | 음향 발생 장치 |
US9641949B2 (en) | 2014-06-30 | 2017-05-02 | Infineon Technologies Ag | MEMS device and method for manufacturing the MEMS device |
KR102374090B1 (ko) * | 2014-10-06 | 2022-03-14 | 더 로얄 인스티튜션 포 디 어드밴스먼트 오브 러닝/맥길 유니버시티 | 그래핀 산화물 기반 음향 트랜스듀서 형성 방법 및 소자 |
KR102175410B1 (ko) * | 2014-11-26 | 2020-11-06 | 현대자동차 주식회사 | 마이크로폰 및 그 제조방법 |
US9544672B2 (en) * | 2014-12-15 | 2017-01-10 | Piotr Nawrocki | Condenser microphone |
GB201519620D0 (en) | 2015-11-06 | 2015-12-23 | Univ Manchester | Device and method of fabricating such a device |
KR101688954B1 (ko) * | 2016-01-15 | 2016-12-22 | (주)글로벌센싱테크놀로지 | 멤브레인 지지 구조가 개선된 마이크로폰 및 마이크로폰 제조 방법 |
EP3296028A1 (en) | 2016-09-15 | 2018-03-21 | Paul Scherrer Institut | Transducer for electromagnetic and thermo-acoustic wave based on three dimensional graphene structure |
KR101811413B1 (ko) * | 2016-12-20 | 2017-12-21 | 주식회사 리딩유아이 | 2세대 전류 컨베이어를 이용한 오디오 수신 장치 |
GB2569810A (en) | 2017-12-27 | 2019-07-03 | Nokia Technologies Oy | An apparatus for sensing comprising a microphone arrangement |
KR102200437B1 (ko) * | 2018-09-12 | 2021-01-08 | 주식회사 이피지 | 관통형 전극 제조 방법 |
NL2026284B1 (en) | 2020-08-18 | 2022-04-14 | Univ Delft Tech | MEMS-based microphone and microphone assembly |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040063964A (ko) * | 2001-11-20 | 2004-07-15 | 노우레스 일렉트로닉스, 엘엘시 | 실리콘 마이크로폰 |
KR20060099627A (ko) * | 2005-03-14 | 2006-09-20 | 주식회사 케이이씨 | Mems 공정을 이용한 마이크로폰 및 그 제조 방법 |
WO2007147643A2 (de) * | 2006-06-23 | 2007-12-27 | Universität Bielefeld | Nanomikrofon bzw. -drucksensor |
JP2009524368A (ja) * | 2006-01-20 | 2009-06-25 | アナログ デバイシス, インコーポレイテッド | コンデンサマイクロホン振動板の支持装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007329559A (ja) | 2006-06-06 | 2007-12-20 | Hosiden Corp | コンデンサ型マイクロホンの製造方法及びコンデンサ型マイクロホン |
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2010
- 2010-05-14 KR KR1020100045403A patent/KR101058475B1/ko active IP Right Grant
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2011
- 2011-05-16 WO PCT/KR2011/003584 patent/WO2011142637A2/ko active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040063964A (ko) * | 2001-11-20 | 2004-07-15 | 노우레스 일렉트로닉스, 엘엘시 | 실리콘 마이크로폰 |
KR20060099627A (ko) * | 2005-03-14 | 2006-09-20 | 주식회사 케이이씨 | Mems 공정을 이용한 마이크로폰 및 그 제조 방법 |
JP2009524368A (ja) * | 2006-01-20 | 2009-06-25 | アナログ デバイシス, インコーポレイテッド | コンデンサマイクロホン振動板の支持装置 |
WO2007147643A2 (de) * | 2006-06-23 | 2007-12-27 | Universität Bielefeld | Nanomikrofon bzw. -drucksensor |
Also Published As
Publication number | Publication date |
---|---|
WO2011142637A2 (ko) | 2011-11-17 |
KR101058475B1 (ko) | 2011-08-24 |
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