JP2008199353A - Memsマイクロホン装置 - Google Patents
Memsマイクロホン装置 Download PDFInfo
- Publication number
- JP2008199353A JP2008199353A JP2007033297A JP2007033297A JP2008199353A JP 2008199353 A JP2008199353 A JP 2008199353A JP 2007033297 A JP2007033297 A JP 2007033297A JP 2007033297 A JP2007033297 A JP 2007033297A JP 2008199353 A JP2008199353 A JP 2008199353A
- Authority
- JP
- Japan
- Prior art keywords
- mems
- emphasis
- shield case
- mems microphone
- mems chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
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
- H04R19/005—Electrostatic transducers using semiconductor materials
-
- 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
- H04R1/083—Special constructions of mouthpieces
-
- 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
- H04R19/01—Electrostatic transducers characterised by the use of electrets
- H04R19/016—Electrostatic transducers characterised by the use of electrets for microphones
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48135—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
- H01L2224/48137—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being arranged next to each other, e.g. on a common substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/146—Mixed devices
- H01L2924/1461—MEMS
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/30—Technical effects
- H01L2924/301—Electrical effects
- H01L2924/3011—Impedance
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/30—Technical effects
- H01L2924/301—Electrical effects
- H01L2924/3025—Electromagnetic shielding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Circuit For Audible Band Transducer (AREA)
- Pressure Sensors (AREA)
Abstract
【解決手段】本発明のMEMSマイクロホンは、音信号を電気信号に変換するMEMSチップと、前記MEMSチップを覆うシールドケースと、前記MEMSチップが出力する信号にデエンファシス処理を施すデエンファシス回路と、を備え、前記シールドケースは、前記MEMSチップに入力される信号にプリエンファシス処理を施す構造である。
【選択図】図1
Description
図1は、本実施の形態1のMEMSマイクロホン100の外観斜視図を示す。図2は、MEMSマイクロホン100の縦断面図(図1のA−A線断面図)を示している。図1・図2に示すように、MEMSマイクロホン100は、基板101と、MEMSチップ102と、シールドケース103とを有するものである。
図6中、S1はシールドケース103の構造によるプリエンファシス特性を示しており、S2は電子回路48によるデエンファシス特性(電気的デエンファシス Q=0.7、fc=6.5kHz)を示しており、S3は、プリエンファシスとデエンファシス処理の両方を行った結果を示すものである。
101 基板
102 MEMSチップ
103 シールドケース
103a 天板
103b 側面板
103c 音孔
S 前気室
48 電気回路
Claims (2)
- 音信号を電気信号に変換するMEMSチップと、
前記MEMSチップを覆うシールドケースと、
前記MEMSチップが出力する信号にデエンファシス処理を施すデエンファシス回路と、
を備え、
前記シールドケースは、前記MEMSチップに入力される信号にプリエンファシス処理を施す構造であるMEMSマイクロホン装置。 - 前記シールドケースは、前記シールドケース上に設けられた音孔と、前記シールドケースが実装された基板及び前記シールドケースで形成される前気室と、によりプリエンファシス処理を施す請求項1に記載のMEMSマイクロホン装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007033297A JP4850086B2 (ja) | 2007-02-14 | 2007-02-14 | Memsマイクロホン装置 |
US12/526,744 US20100119087A1 (en) | 2007-02-14 | 2008-01-21 | Mems microphone device |
CN200880005169.9A CN101611634A (zh) | 2007-02-14 | 2008-01-21 | Mems麦克风装置 |
PCT/JP2008/050713 WO2008099641A1 (ja) | 2007-02-14 | 2008-01-21 | Memsマイクロホン装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007033297A JP4850086B2 (ja) | 2007-02-14 | 2007-02-14 | Memsマイクロホン装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008199353A true JP2008199353A (ja) | 2008-08-28 |
JP4850086B2 JP4850086B2 (ja) | 2012-01-11 |
Family
ID=39689887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007033297A Expired - Fee Related JP4850086B2 (ja) | 2007-02-14 | 2007-02-14 | Memsマイクロホン装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20100119087A1 (ja) |
JP (1) | JP4850086B2 (ja) |
CN (1) | CN101611634A (ja) |
WO (1) | WO2008099641A1 (ja) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010136132A (ja) * | 2008-12-05 | 2010-06-17 | Funai Electric Co Ltd | 音声入力装置 |
JP4505035B1 (ja) * | 2009-06-02 | 2010-07-14 | パナソニック株式会社 | ステレオマイクロホン装置 |
WO2010113384A1 (ja) * | 2009-04-01 | 2010-10-07 | パナソニック株式会社 | 半導体装置とその製造方法 |
WO2010125925A1 (ja) | 2009-04-28 | 2010-11-04 | オムロン株式会社 | 電子部品実装装置及びその製造方法 |
JP2011004097A (ja) * | 2009-06-17 | 2011-01-06 | Ube Industries Ltd | 撥水性通気カバー、撥水性通気カバー付きトランスデューサー |
WO2011024397A1 (ja) * | 2009-08-26 | 2011-03-03 | スター精密株式会社 | コンデンサマイクロホン |
JP2012217162A (ja) * | 2011-03-31 | 2012-11-08 | Infineon Technologies Ag | テーパー面を備えた膜支持部を有する微小機械音響トランスデューサ |
JP2013013121A (ja) * | 2010-08-06 | 2013-01-17 | Research In Motion Ltd | モバイル電子デバイスにおけるマイクロホンのための電磁遮蔽および音響室 |
US8823115B2 (en) | 2008-12-12 | 2014-09-02 | Funai Electric Co., Ltd. | Microphone unit and voice input device using same |
US8918150B2 (en) | 2010-08-06 | 2014-12-23 | Blackberry Limited | Electromagnetic shielding and an acoustic chamber for a microphone in a mobile electronic device |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4944760B2 (ja) * | 2007-12-27 | 2012-06-06 | ホシデン株式会社 | エレクトレットコンデンサマイクロホン |
US8450817B2 (en) * | 2008-08-14 | 2013-05-28 | Knowles Electronics Llc | Microelectromechanical system package with strain relief bridge |
JPWO2010073598A1 (ja) * | 2008-12-24 | 2012-06-07 | パナソニック株式会社 | 平衡信号出力型センサー |
CN102868965A (zh) * | 2012-09-14 | 2013-01-09 | 瑞声声学科技(深圳)有限公司 | Mems麦克风的制造方法 |
CN105225671B (zh) | 2014-06-26 | 2016-10-26 | 华为技术有限公司 | 编解码方法、装置及系统 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02230895A (ja) * | 1989-03-03 | 1990-09-13 | Nippon Telegr & Teleph Corp <Ntt> | 音響信号入力装置 |
JPH0965482A (ja) * | 1995-08-25 | 1997-03-07 | Canon Inc | 集音方法及び該方法を実施するマイクロホン装置 |
JPH11346394A (ja) * | 1998-06-01 | 1999-12-14 | Shinko Electric Co Ltd | 消音装置用マイクロフォン |
WO2005086534A1 (ja) * | 2004-03-03 | 2005-09-15 | Matsushita Electric Industrial Co., Ltd. | エレクトレットコンデンサーマイクロフォンユニット |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6067363A (en) * | 1996-06-03 | 2000-05-23 | Ericsson Inc. | Audio A/D convertor using frequency modulation |
JP4004705B2 (ja) * | 2000-02-29 | 2007-11-07 | 松下電器産業株式会社 | 撮像装置と撮像装置組立方法 |
DE102004011149B3 (de) * | 2004-03-08 | 2005-11-10 | Infineon Technologies Ag | Mikrophon und Verfahren zur Herstellung eines Mikrophons |
US7912232B2 (en) * | 2005-09-30 | 2011-03-22 | Aaron Master | Method and apparatus for removing or isolating voice or instruments on stereo recordings |
US7916879B2 (en) * | 2005-12-16 | 2011-03-29 | Novusonic Corporation | Electrostatic acoustic transducer based on rolling contact micro actuator |
-
2007
- 2007-02-14 JP JP2007033297A patent/JP4850086B2/ja not_active Expired - Fee Related
-
2008
- 2008-01-21 WO PCT/JP2008/050713 patent/WO2008099641A1/ja active Application Filing
- 2008-01-21 US US12/526,744 patent/US20100119087A1/en not_active Abandoned
- 2008-01-21 CN CN200880005169.9A patent/CN101611634A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02230895A (ja) * | 1989-03-03 | 1990-09-13 | Nippon Telegr & Teleph Corp <Ntt> | 音響信号入力装置 |
JPH0965482A (ja) * | 1995-08-25 | 1997-03-07 | Canon Inc | 集音方法及び該方法を実施するマイクロホン装置 |
JPH11346394A (ja) * | 1998-06-01 | 1999-12-14 | Shinko Electric Co Ltd | 消音装置用マイクロフォン |
WO2005086534A1 (ja) * | 2004-03-03 | 2005-09-15 | Matsushita Electric Industrial Co., Ltd. | エレクトレットコンデンサーマイクロフォンユニット |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010136132A (ja) * | 2008-12-05 | 2010-06-17 | Funai Electric Co Ltd | 音声入力装置 |
US8823115B2 (en) | 2008-12-12 | 2014-09-02 | Funai Electric Co., Ltd. | Microphone unit and voice input device using same |
WO2010113384A1 (ja) * | 2009-04-01 | 2010-10-07 | パナソニック株式会社 | 半導体装置とその製造方法 |
WO2010125925A1 (ja) | 2009-04-28 | 2010-11-04 | オムロン株式会社 | 電子部品実装装置及びその製造方法 |
US9093282B2 (en) | 2009-04-28 | 2015-07-28 | Omron Corporation | Electronic component mounting device and method for producing the same |
JP4505035B1 (ja) * | 2009-06-02 | 2010-07-14 | パナソニック株式会社 | ステレオマイクロホン装置 |
JP2010283418A (ja) * | 2009-06-02 | 2010-12-16 | Panasonic Corp | ステレオマイクロホン装置 |
US7933428B2 (en) | 2009-06-02 | 2011-04-26 | Panasonic Corporation | Microphone apparatus |
JP2011004097A (ja) * | 2009-06-17 | 2011-01-06 | Ube Industries Ltd | 撥水性通気カバー、撥水性通気カバー付きトランスデューサー |
WO2011024397A1 (ja) * | 2009-08-26 | 2011-03-03 | スター精密株式会社 | コンデンサマイクロホン |
JP2013013121A (ja) * | 2010-08-06 | 2013-01-17 | Research In Motion Ltd | モバイル電子デバイスにおけるマイクロホンのための電磁遮蔽および音響室 |
US8918150B2 (en) | 2010-08-06 | 2014-12-23 | Blackberry Limited | Electromagnetic shielding and an acoustic chamber for a microphone in a mobile electronic device |
JP2012217162A (ja) * | 2011-03-31 | 2012-11-08 | Infineon Technologies Ag | テーパー面を備えた膜支持部を有する微小機械音響トランスデューサ |
Also Published As
Publication number | Publication date |
---|---|
CN101611634A (zh) | 2009-12-23 |
US20100119087A1 (en) | 2010-05-13 |
WO2008099641A1 (ja) | 2008-08-21 |
JP4850086B2 (ja) | 2012-01-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4850086B2 (ja) | Memsマイクロホン装置 | |
TWI472234B (zh) | Microphone unit | |
US8861764B2 (en) | Microphone unit and sound input device incorporating same | |
JP5799619B2 (ja) | マイクロホンユニット | |
WO2008032785A1 (fr) | Boîtier de protection et microphone mems ayant celui-ci | |
JPWO2005086535A1 (ja) | エレクトレットコンデンサーマイクロホン | |
US20120020510A1 (en) | Microphone unit | |
TW201034474A (en) | Microphone unit and voice input device equipped with the same | |
KR101411666B1 (ko) | 실리콘 마이크로폰 패키지 및 그 제조방법 | |
JP5834818B2 (ja) | マイクロホンユニット、及び、それを備えた音声入力装置 | |
JP7166602B2 (ja) | Memsマイクロホン | |
JP2008211466A (ja) | マイクロホン用パッケージ、マイクロホン搭載体、マイクロホン装置 | |
US9309108B2 (en) | MEMS microphone packaging method | |
US20200351596A1 (en) | Microphone device and method for manufacturing same | |
JP2002335599A (ja) | マイクロホンとその製造方法 | |
KR101323431B1 (ko) | 콘덴서 마이크로폰 및 그 조립방법 | |
JP2019110377A (ja) | マイクロフォン用パッケージおよびマイクロフォン装置 | |
TWI327356B (ja) | ||
JP2011004109A (ja) | Memsデバイス |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20090518 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20110614 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110801 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20110920 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20111018 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20141028 Year of fee payment: 3 |
|
LAPS | Cancellation because of no payment of annual fees |