JPS6138917B2 - - Google Patents

Info

Publication number
JPS6138917B2
JPS6138917B2 JP369479A JP369479A JPS6138917B2 JP S6138917 B2 JPS6138917 B2 JP S6138917B2 JP 369479 A JP369479 A JP 369479A JP 369479 A JP369479 A JP 369479A JP S6138917 B2 JPS6138917 B2 JP S6138917B2
Authority
JP
Japan
Prior art keywords
film
ring
vibrating membrane
laminated
etching
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.)
Expired
Application number
JP369479A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5596799A (en
Inventor
Satoru Ibaraki
Hiroyuki Naono
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 Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP369479A priority Critical patent/JPS5596799A/ja
Publication of JPS5596799A publication Critical patent/JPS5596799A/ja
Publication of JPS6138917B2 publication Critical patent/JPS6138917B2/ja
Granted legal-status Critical Current

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
    • H04R19/01—Electrostatic transducers characterised by the use of electrets

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
JP369479A 1979-01-16 1979-01-16 Production of electrostatic electroacustic transducer Granted JPS5596799A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP369479A JPS5596799A (en) 1979-01-16 1979-01-16 Production of electrostatic electroacustic transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP369479A JPS5596799A (en) 1979-01-16 1979-01-16 Production of electrostatic electroacustic transducer

Publications (2)

Publication Number Publication Date
JPS5596799A JPS5596799A (en) 1980-07-23
JPS6138917B2 true JPS6138917B2 (en, 2012) 1986-09-01

Family

ID=11564488

Family Applications (1)

Application Number Title Priority Date Filing Date
JP369479A Granted JPS5596799A (en) 1979-01-16 1979-01-16 Production of electrostatic electroacustic transducer

Country Status (1)

Country Link
JP (1) JPS5596799A (en, 2012)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4659519B2 (ja) * 2005-05-25 2011-03-30 株式会社オーディオテクニカ 振動板組立体の製造方法およびコンデンサマイクロホン
JP4724505B2 (ja) * 2005-09-09 2011-07-13 株式会社日立製作所 超音波探触子およびその製造方法
KR200449885Y1 (ko) * 2008-05-19 2010-08-17 주식회사 비에스이 콘덴서 마이크로폰용 스페이서 일체형 다이어프램

Also Published As

Publication number Publication date
JPS5596799A (en) 1980-07-23

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