KR900702550A - 일렉트릿 재 및 그의 제조방법(electret material and method of producing the same) - Google Patents

일렉트릿 재 및 그의 제조방법(electret material and method of producing the same)

Info

Publication number
KR900702550A
KR900702550A KR1019900700105A KR900700105A KR900702550A KR 900702550 A KR900702550 A KR 900702550A KR 1019900700105 A KR1019900700105 A KR 1019900700105A KR 900700105 A KR900700105 A KR 900700105A KR 900702550 A KR900702550 A KR 900702550A
Authority
KR
South Korea
Prior art keywords
electret
producing
electret material
ohms
molded article
Prior art date
Application number
KR1019900700105A
Other languages
English (en)
Inventor
요시하루 오쿠무라
카쯔토시 안도
Original Assignee
도레이 가부시기가이샤
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 도레이 가부시기가이샤 filed Critical 도레이 가부시기가이샤
Publication of KR900702550A publication Critical patent/KR900702550A/ko

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
    • H01G7/021—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric
    • H01G7/023—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric of macromolecular compounds

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Filtering Materials (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Multicomponent Fibers (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
KR1019900700105A 1988-05-24 1990-01-19 일렉트릿 재 및 그의 제조방법(electret material and method of producing the same) KR900702550A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63126755A JPH06104952B2 (ja) 1988-05-24 1988-05-24 エレクトレット繊維及びその製造方法
PCT/JP1989/000511 WO1989011724A1 (en) 1988-05-24 1989-05-22 Electret material and method of producing the same

Publications (1)

Publication Number Publication Date
KR900702550A true KR900702550A (ko) 1990-12-07

Family

ID=14943117

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900700105A KR900702550A (ko) 1988-05-24 1990-01-19 일렉트릿 재 및 그의 제조방법(electret material and method of producing the same)

Country Status (6)

Country Link
EP (1) EP0369032B1 (ko)
JP (1) JPH06104952B2 (ko)
KR (1) KR900702550A (ko)
AT (1) ATE126625T1 (ko)
DE (1) DE68923847T2 (ko)
WO (1) WO1989011724A1 (ko)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5709735A (en) * 1995-10-20 1998-01-20 Kimberly-Clark Worldwide, Inc. High stiffness nonwoven filter medium
US5721180A (en) * 1995-12-22 1998-02-24 Pike; Richard Daniel Laminate filter media
US5667562A (en) * 1996-04-19 1997-09-16 Kimberly-Clark Worldwide, Inc. Spunbond vacuum cleaner webs
US7732357B2 (en) 2000-09-15 2010-06-08 Ahlstrom Nonwovens Llc Disposable nonwoven wiping fabric and method of production
JP2009203580A (ja) * 2008-02-28 2009-09-10 Toray Ind Inc エレクトレットメルトブロー不織布
CN101977763A (zh) * 2008-03-27 2011-02-16 旭硝子株式会社 驻极体及静电感应型转换元件
JP5541155B2 (ja) 2008-03-31 2014-07-09 旭硝子株式会社 加速度センサ装置、無線センサネットワーク及び広域異常振動記録システム
JP5381979B2 (ja) 2008-04-17 2014-01-08 旭硝子株式会社 エレクトレットおよびその製造方法、ならびに静電誘導型変換素子
EP2330159B1 (en) 2008-09-19 2013-04-24 Asahi Glass Company, Limited Electret and electrostatic induction conversion device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS498400B1 (ko) * 1969-09-10 1974-02-26
JPS5921964B2 (ja) * 1977-04-13 1984-05-23 ダスキンフランチヤイズ株式会社 エレクトレツト化繊維
JPS576762A (en) * 1980-06-14 1982-01-13 Kanebo Ltd Conductive composite fiber and its manufacture
JPS60199971A (ja) * 1984-03-21 1985-10-09 株式会社日立製作所 エレクトレツト繊維およびその製造法
JPS61231270A (ja) * 1985-04-04 1986-10-15 東レ株式会社 エレクトレツト繊維シ−トの製造法

Also Published As

Publication number Publication date
EP0369032A1 (en) 1990-05-23
JPH06104952B2 (ja) 1994-12-21
EP0369032B1 (en) 1995-08-16
DE68923847T2 (de) 1995-12-21
EP0369032A4 (en) 1991-07-10
DE68923847D1 (de) 1995-09-21
JPH01298276A (ja) 1989-12-01
ATE126625T1 (de) 1995-09-15
WO1989011724A1 (en) 1989-11-30

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A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee