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AU454024B2 - Improvements in electrets - Google Patents
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AU454024B2 - Improvements in electrets - Google Patents

Improvements in electrets

Info

Publication number
AU454024B2
AU454024B2 AU32813/71A AU3281371A AU454024B2 AU 454024 B2 AU454024 B2 AU 454024B2 AU 32813/71 A AU32813/71 A AU 32813/71A AU 3281371 A AU3281371 A AU 3281371A AU 454024 B2 AU454024 B2 AU 454024B2
Authority
AU
Australia
Prior art keywords
electrets
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.)
Expired
Application number
AU32813/71A
Other versions
AU3281371A (en
Inventor
William Chudleigh Peter
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.)
Amalgamated Wireless Australasia Ltd
Original Assignee
Amalgamated Wireless Australasia 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 Amalgamated Wireless Australasia Ltd filed Critical Amalgamated Wireless Australasia Ltd
Priority to AU32813/71A priority Critical patent/AU454024B2/en
Priority to GB5665171A priority patent/GB1368454A/en
Publication of AU3281371A publication Critical patent/AU3281371A/en
Application granted granted Critical
Publication of AU454024B2 publication Critical patent/AU454024B2/en
Expired legal-status Critical Current

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
    • 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)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
AU32813/71A 1970-12-16 1970-12-16 Improvements in electrets Expired AU454024B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU32813/71A AU454024B2 (en) 1970-12-16 1970-12-16 Improvements in electrets
GB5665171A GB1368454A (en) 1970-12-16 1971-12-07 Electrets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU32813/71A AU454024B2 (en) 1970-12-16 1970-12-16 Improvements in electrets

Publications (2)

Publication Number Publication Date
AU3281371A AU3281371A (en) 1973-03-01
AU454024B2 true AU454024B2 (en) 1974-10-17

Family

ID=3720283

Family Applications (1)

Application Number Title Priority Date Filing Date
AU32813/71A Expired AU454024B2 (en) 1970-12-16 1970-12-16 Improvements in electrets

Country Status (2)

Country Link
AU (1) AU454024B2 (en)
GB (1) GB1368454A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3172124D1 (en) * 1980-06-10 1985-10-10 Matsushita Electric Industrial Co Ltd A method of vacuum depositing a layer on a plastics film substrate
US4527218A (en) * 1981-06-08 1985-07-02 At&T Bell Laboratories Stable positively charged Teflon electrets
JP4837109B2 (en) * 2010-02-17 2011-12-14 株式会社サクラクレパス Method for producing electret coarse powder
DE102017101950A1 (en) 2017-02-01 2018-08-02 Achim Limbeck Hemostatic material and method and apparatus for its preparation

Also Published As

Publication number Publication date
AU3281371A (en) 1973-03-01
GB1368454A (en) 1974-09-25

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