NO322331B1 - Trykktransduser og fremgangsmate for fremstilling av derav - Google Patents

Trykktransduser og fremgangsmate for fremstilling av derav Download PDF

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Publication number
NO322331B1
NO322331B1 NO19993213A NO993213A NO322331B1 NO 322331 B1 NO322331 B1 NO 322331B1 NO 19993213 A NO19993213 A NO 19993213A NO 993213 A NO993213 A NO 993213A NO 322331 B1 NO322331 B1 NO 322331B1
Authority
NO
Norway
Prior art keywords
membrane
substrate
layer
accordance
sacrificial layer
Prior art date
Application number
NO19993213A
Other languages
English (en)
Norwegian (no)
Other versions
NO993213D0 (no
NO993213L (no
Inventor
Masaharu Ikeda
Masayoshi Esashi
Original Assignee
Matsushita Electric Ind Co Ltd
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 Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of NO993213D0 publication Critical patent/NO993213D0/no
Publication of NO993213L publication Critical patent/NO993213L/no
Publication of NO322331B1 publication Critical patent/NO322331B1/no

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00Electrostatic transducers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00Electrostatic transducers
    • H04R19/005Electrostatic transducers using semiconductor materials
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00Electrostatic transducers
    • H04R19/04Microphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/003Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Measuring Fluid Pressure (AREA)
  • Pressure Sensors (AREA)
  • Micromachines (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
NO19993213A 1998-06-30 1999-06-28 Trykktransduser og fremgangsmate for fremstilling av derav NO322331B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10198078A JP2000022172A (ja) 1998-06-30 1998-06-30 変換装置及びその製造方法

Publications (3)

Publication Number Publication Date
NO993213D0 NO993213D0 (no) 1999-06-28
NO993213L NO993213L (no) 2000-01-04
NO322331B1 true NO322331B1 (no) 2006-09-18

Family

ID=16385160

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19993213A NO322331B1 (no) 1998-06-30 1999-06-28 Trykktransduser og fremgangsmate for fremstilling av derav

Country Status (7)

Country Link
US (2) US6441451B1 (da)
EP (1) EP0969694B1 (da)
JP (1) JP2000022172A (da)
CN (1) CN1145219C (da)
DE (1) DE69934841T2 (da)
DK (1) DK0969694T3 (da)
NO (1) NO322331B1 (da)

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DE102008000128B4 (de) * 2007-01-30 2013-01-03 Denso Corporation Halbleitersensorvorrichtung und deren Herstellungsverfahren
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US8240217B2 (en) * 2007-10-15 2012-08-14 Kavlico Corporation Diaphragm isolation forming through subtractive etching
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JP5400708B2 (ja) * 2010-05-27 2014-01-29 オムロン株式会社 音響センサ、音響トランスデューサ、該音響トランスデューサを利用したマイクロフォン、および音響トランスデューサの製造方法
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JP5875244B2 (ja) 2011-04-06 2016-03-02 キヤノン株式会社 電気機械変換装置及びその作製方法
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DE102012205921A1 (de) 2012-04-12 2013-10-17 Robert Bosch Gmbh Membrananordnung für einen mikro-elektromechanischen Messumformer und Verfahren zum Herstellen einer Membrananordnung
CN103011052A (zh) * 2012-12-21 2013-04-03 上海宏力半导体制造有限公司 Mems器件的牺牲层、mems器件及其制作方法
JP6127625B2 (ja) * 2013-03-19 2017-05-17 オムロン株式会社 静電容量型圧力センサ及び入力装置
CN104427456B (zh) * 2013-08-20 2017-12-05 无锡华润上华科技有限公司 一种减少微机电系统麦克风制作过程中产生的粘黏的方法
CN105492128B (zh) * 2013-08-26 2018-08-10 皇家飞利浦有限公司 超声换能器组件和用于制造超声换能器组件的方法
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CN107337174B (zh) * 2017-06-27 2019-04-02 杭州电子科技大学 一种多晶硅振膜结构的制作方法
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Also Published As

Publication number Publication date
DE69934841T2 (de) 2007-10-11
US6756248B2 (en) 2004-06-29
CN1145219C (zh) 2004-04-07
EP0969694A2 (en) 2000-01-05
NO993213D0 (no) 1999-06-28
JP2000022172A (ja) 2000-01-21
EP0969694A3 (en) 2005-06-01
EP0969694B1 (en) 2007-01-17
CN1247386A (zh) 2000-03-15
US20020093038A1 (en) 2002-07-18
US6441451B1 (en) 2002-08-27
NO993213L (no) 2000-01-04
DE69934841D1 (de) 2007-03-08
DK0969694T3 (da) 2007-05-14

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