JPS5758310A - Method of producing electret - Google Patents

Method of producing electret

Info

Publication number
JPS5758310A
JPS5758310A JP55132359A JP13235980A JPS5758310A JP S5758310 A JPS5758310 A JP S5758310A JP 55132359 A JP55132359 A JP 55132359A JP 13235980 A JP13235980 A JP 13235980A JP S5758310 A JPS5758310 A JP S5758310A
Authority
JP
Japan
Prior art keywords
producing electret
electret
producing
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
Application number
JP55132359A
Other languages
English (en)
Other versions
JPS6236625B2 (ja
Inventor
Sakae Tamura
Shigeru Fujiwara
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 JP55132359A priority Critical patent/JPS5758310A/ja
Priority to EP81107385A priority patent/EP0048902A3/en
Priority to CA000386656A priority patent/CA1197605A/en
Publication of JPS5758310A publication Critical patent/JPS5758310A/ja
Publication of JPS6236625B2 publication Critical patent/JPS6236625B2/ja
Granted legal-status Critical Current

Links

JP55132359A 1980-09-25 1980-09-25 Method of producing electret Granted JPS5758310A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP55132359A JPS5758310A (en) 1980-09-25 1980-09-25 Method of producing electret
EP81107385A EP0048902A3 (en) 1980-09-25 1981-09-18 Method for manufacturing electret device and condenser type electro-acoustic transducer having electrets
CA000386656A CA1197605A (en) 1980-09-25 1981-09-25 Method for manufacturing electret device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55132359A JPS5758310A (en) 1980-09-25 1980-09-25 Method of producing electret

Publications (2)

Publication Number Publication Date
JPS5758310A true JPS5758310A (en) 1982-04-08
JPS6236625B2 JPS6236625B2 (ja) 1987-08-07

Family

ID=15079512

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55132359A Granted JPS5758310A (en) 1980-09-25 1980-09-25 Method of producing electret

Country Status (1)

Country Link
JP (1) JPS5758310A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0429883A (ja) * 1990-05-25 1992-01-31 Toppan Printing Co Ltd 画像形成媒体

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5024440A (ja) * 1973-07-04 1975-03-15
JPS5245097A (en) * 1975-10-07 1977-04-08 Rikagaku Kenkyusho Making process for electret

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5024440A (ja) * 1973-07-04 1975-03-15
JPS5245097A (en) * 1975-10-07 1977-04-08 Rikagaku Kenkyusho Making process for electret

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0429883A (ja) * 1990-05-25 1992-01-31 Toppan Printing Co Ltd 画像形成媒体

Also Published As

Publication number Publication date
JPS6236625B2 (ja) 1987-08-07

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