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JPS5658220A - Method of manufacturing electret - Google Patents

Method of manufacturing electret

Info

Publication number
JPS5658220A
JPS5658220A JP13285479A JP13285479A JPS5658220A JP S5658220 A JPS5658220 A JP S5658220A JP 13285479 A JP13285479 A JP 13285479A JP 13285479 A JP13285479 A JP 13285479A JP S5658220 A JPS5658220 A JP S5658220A
Authority
JP
Japan
Prior art keywords
manufacturing electret
electret
manufacturing
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.)
Pending
Application number
JP13285479A
Other languages
Japanese (ja)
Inventor
Sakae Tamura
Shigeru Fujiwara
Hiroshi Suzuki
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP13285479A priority Critical patent/JPS5658220A/en
Publication of JPS5658220A publication Critical patent/JPS5658220A/en
Pending legal-status Critical Current

Links

JP13285479A 1979-10-17 1979-10-17 Method of manufacturing electret Pending JPS5658220A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13285479A JPS5658220A (en) 1979-10-17 1979-10-17 Method of manufacturing electret

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13285479A JPS5658220A (en) 1979-10-17 1979-10-17 Method of manufacturing electret

Publications (1)

Publication Number Publication Date
JPS5658220A true JPS5658220A (en) 1981-05-21

Family

ID=15091068

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13285479A Pending JPS5658220A (en) 1979-10-17 1979-10-17 Method of manufacturing electret

Country Status (1)

Country Link
JP (1) JPS5658220A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006132193A1 (en) 2005-06-06 2006-12-14 Matsushita Electric Industrial Co., Ltd. Method of turning condenser microphone into electret, electret-turning device and method of producing condenser microphone using this
US8073166B2 (en) 2006-03-28 2011-12-06 Panasonic Corporation Electretization method and apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006132193A1 (en) 2005-06-06 2006-12-14 Matsushita Electric Industrial Co., Ltd. Method of turning condenser microphone into electret, electret-turning device and method of producing condenser microphone using this
US8073166B2 (en) 2006-03-28 2011-12-06 Panasonic Corporation Electretization method and apparatus

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