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Title:
METHOD OF MANUFACTURING ELECTRET
Document Type and Number:
Japanese Patent JP2010165926
Kind Code:
A
Abstract:

To provide a method of manufacturing an electret of high charge holding rate having a thin PTFE film.

This method of manufacturing the electret includes a bonding process for bonding the PTFE film 12 onto a metal plate 11, and a heating discharging process for discharging the PTFE film 12 for a prescribed time, while heating a film bonded body 18 prepared in the bonding process, to a prescribed temperature.

COPYRIGHT: (C)2010,JPO&INPIT


Inventors:
YOKOKAWA SEIICHIRO
Application Number:
JP2009007852A
Publication Date:
July 29, 2010
Filing Date:
January 16, 2009
Export Citation:
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Assignee:
NIPPON VALQUA IND LTD
International Classes:
H01G7/02; H04R19/01; H04R19/04
Attorney, Agent or Firm:
下田 容一郎
下田 憲雅
茅野 直勝
瀧澤 匡則



 
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