JP2009296238A - 除電装置およびこれを用いたマイクロホンのエレクトレット化方法およびエレクトレット化装置 - Google Patents

除電装置およびこれを用いたマイクロホンのエレクトレット化方法およびエレクトレット化装置 Download PDF

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Publication number
JP2009296238A
JP2009296238A JP2008147023A JP2008147023A JP2009296238A JP 2009296238 A JP2009296238 A JP 2009296238A JP 2008147023 A JP2008147023 A JP 2008147023A JP 2008147023 A JP2008147023 A JP 2008147023A JP 2009296238 A JP2009296238 A JP 2009296238A
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JP
Japan
Prior art keywords
dielectric film
ionizer
microphone
charge
change
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.)
Withdrawn
Application number
JP2008147023A
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English (en)
Japanese (ja)
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JP2009296238A5 (https=
Inventor
Taro Kanehara
太郎 金原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Original Assignee
Panasonic Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Panasonic Corp filed Critical Panasonic Corp
Priority to JP2008147023A priority Critical patent/JP2009296238A/ja
Priority to PCT/JP2009/002493 priority patent/WO2009147848A1/ja
Publication of JP2009296238A publication Critical patent/JP2009296238A/ja
Priority to US12/877,555 priority patent/US7948731B2/en
Publication of JP2009296238A5 publication Critical patent/JP2009296238A5/ja
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W90/00—Package configurations
    • H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
    • H10W90/751—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires
    • H10W90/753—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires between laterally-adjacent chips

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
JP2008147023A 2008-06-04 2008-06-04 除電装置およびこれを用いたマイクロホンのエレクトレット化方法およびエレクトレット化装置 Withdrawn JP2009296238A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2008147023A JP2009296238A (ja) 2008-06-04 2008-06-04 除電装置およびこれを用いたマイクロホンのエレクトレット化方法およびエレクトレット化装置
PCT/JP2009/002493 WO2009147848A1 (ja) 2008-06-04 2009-06-03 除電装置、これを用いたマイクロホンのエレクトレット化方法およびエレクトレット化装置
US12/877,555 US7948731B2 (en) 2008-06-04 2010-09-08 Static eliminator, and microphone electretizing method and apparatus using static eliminator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008147023A JP2009296238A (ja) 2008-06-04 2008-06-04 除電装置およびこれを用いたマイクロホンのエレクトレット化方法およびエレクトレット化装置

Publications (2)

Publication Number Publication Date
JP2009296238A true JP2009296238A (ja) 2009-12-17
JP2009296238A5 JP2009296238A5 (https=) 2011-03-17

Family

ID=41397929

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008147023A Withdrawn JP2009296238A (ja) 2008-06-04 2008-06-04 除電装置およびこれを用いたマイクロホンのエレクトレット化方法およびエレクトレット化装置

Country Status (3)

Country Link
US (1) US7948731B2 (https=)
JP (1) JP2009296238A (https=)
WO (1) WO2009147848A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017028384A (ja) * 2015-07-17 2017-02-02 新日本無線株式会社 Ｍｅｍｓ素子

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012039272A (ja) * 2010-08-05 2012-02-23 Funai Electric Co Ltd マイクロホンユニット
WO2019226958A1 (en) 2018-05-24 2019-11-28 The Research Foundation For The State University Of New York Capacitive sensor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4271451A (en) * 1976-07-20 1981-06-02 Hercules Incorporated Method and apparatus for controlling static charges
JPS6110890U (ja) * 1984-06-25 1986-01-22 株式会社 オ−デイオテクニカ ペ−パ−ホルダ−
JP2660748B2 (ja) 1989-06-02 1997-10-08 ホリ電機株式会社 ビデオゲームの遠隔操作装置
JP3545131B2 (ja) 1996-06-11 2004-07-21 株式会社半導体エネルギー研究所 半導体装置の作製方法
JP2001118749A (ja) * 1999-10-22 2001-04-27 Japan Vilene Co Ltd エレクトレット化方法及びエレクトレット化装置
JPWO2006132193A1 (ja) 2005-06-06 2009-01-08 松下電器産業株式会社 コンデンサマイクロホンのエレクトレット化方法、エレクトレット化装置およびこれを用いたコンデンサマイクロホンの製造方法
JP4376910B2 (ja) 2006-03-28 2009-12-02 パナソニック株式会社 エレクトレット化方法及びエレクトレット化装置
EP1843631A2 (en) 2006-03-28 2007-10-10 Matsushita Electric Industrial Co., Ltd. Electretization method and apparatus
JP4189426B2 (ja) * 2007-01-31 2008-12-03 株式会社東芝 センサ装置、及びこれを用いた携帯通信端末及び電子機器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017028384A (ja) * 2015-07-17 2017-02-02 新日本無線株式会社 Ｍｅｍｓ素子

Also Published As

Publication number Publication date
US7948731B2 (en) 2011-05-24
US20100328836A1 (en) 2010-12-30
WO2009147848A1 (ja) 2009-12-10

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