JPS6444010A - Manufacture of laminated board for electret - Google Patents
Manufacture of laminated board for electretInfo
- Publication number
- JPS6444010A JPS6444010A JP62202493A JP20249387A JPS6444010A JP S6444010 A JPS6444010 A JP S6444010A JP 62202493 A JP62202493 A JP 62202493A JP 20249387 A JP20249387 A JP 20249387A JP S6444010 A JPS6444010 A JP S6444010A
- Authority
- JP
- Japan
- Prior art keywords
- electret
- roll
- heating
- metallic sheet
- thermosetting resin
- 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
Links
Landscapes
- Laminated Bodies (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62202493A JPH0748451B2 (en) | 1987-08-12 | 1987-08-12 | Method for manufacturing laminated plate for electret |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62202493A JPH0748451B2 (en) | 1987-08-12 | 1987-08-12 | Method for manufacturing laminated plate for electret |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6444010A true JPS6444010A (en) | 1989-02-16 |
JPH0748451B2 JPH0748451B2 (en) | 1995-05-24 |
Family
ID=16458406
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62202493A Expired - Lifetime JPH0748451B2 (en) | 1987-08-12 | 1987-08-12 | Method for manufacturing laminated plate for electret |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0748451B2 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6776918B1 (en) | 1999-04-08 | 2004-08-17 | Showa Co., Ltd. | Titanium composite material |
WO2006000402A1 (en) * | 2004-06-25 | 2006-01-05 | Sennheiser Electronic Gmbh & Co. Kg | Electro-acoustic back electret transducer |
WO2010119869A1 (en) | 2009-04-14 | 2010-10-21 | 日東電工株式会社 | Process for production of electret material |
KR20120011837A (en) | 2009-04-27 | 2012-02-08 | 닛토덴코 가부시키가이샤 | Electret material and electrostatic-type acoustic transducer |
EP2437519A1 (en) | 2003-07-22 | 2012-04-04 | Toho Kasei Co., Ltd. | Heat resistant electret material and heat resistant electret |
JP2013031164A (en) * | 2011-06-24 | 2013-02-07 | Toho Kasei Kk | Small acoustic sensor |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4627676B2 (en) * | 2005-03-31 | 2011-02-09 | シチズン電子株式会社 | An electret condenser microphone using a heat-resistant charged resin body and a manufacturing method thereof. |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6057799A (en) * | 1983-09-08 | 1985-04-03 | Victor Co Of Japan Ltd | Speaker diaphragm |
-
1987
- 1987-08-12 JP JP62202493A patent/JPH0748451B2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6057799A (en) * | 1983-09-08 | 1985-04-03 | Victor Co Of Japan Ltd | Speaker diaphragm |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6776918B1 (en) | 1999-04-08 | 2004-08-17 | Showa Co., Ltd. | Titanium composite material |
EP2437519A1 (en) | 2003-07-22 | 2012-04-04 | Toho Kasei Co., Ltd. | Heat resistant electret material and heat resistant electret |
WO2006000402A1 (en) * | 2004-06-25 | 2006-01-05 | Sennheiser Electronic Gmbh & Co. Kg | Electro-acoustic back electret transducer |
WO2010119869A1 (en) | 2009-04-14 | 2010-10-21 | 日東電工株式会社 | Process for production of electret material |
US8747961B2 (en) | 2009-04-14 | 2014-06-10 | Nitto Denko Corporation | Process for production of electret material |
KR20120011837A (en) | 2009-04-27 | 2012-02-08 | 닛토덴코 가부시키가이샤 | Electret material and electrostatic-type acoustic transducer |
US8971553B2 (en) | 2009-04-27 | 2015-03-03 | Nitto Denko Corporation | Electret material and electrostatic-type acoustic transducer |
JP2013031164A (en) * | 2011-06-24 | 2013-02-07 | Toho Kasei Kk | Small acoustic sensor |
Also Published As
Publication number | Publication date |
---|---|
JPH0748451B2 (en) | 1995-05-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
R370 | Written measure of declining of transfer procedure |
Free format text: JAPANESE INTERMEDIATE CODE: R370 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
EXPY | Cancellation because of completion of term | ||
FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080524 Year of fee payment: 13 |