CA1042386A - Method for continuously polarizing thermoplastic film - Google Patents

Method for continuously polarizing thermoplastic film

Info

Publication number
CA1042386A
CA1042386A CA235,050A CA235050A CA1042386A CA 1042386 A CA1042386 A CA 1042386A CA 235050 A CA235050 A CA 235050A CA 1042386 A CA1042386 A CA 1042386A
Authority
CA
Canada
Prior art keywords
film
polarizing
thermoplastic film
electrically conductive
conductive layers
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
CA235,050A
Other languages
English (en)
French (fr)
Other versions
CA235050S (en
Inventor
Tohru Sasaki
Takao Ichii
Shuji Terasaki
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.)
Kureha Corp
Original Assignee
Kureha Corp
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 Kureha Corp filed Critical Kureha Corp
Application granted granted Critical
Publication of CA1042386A publication Critical patent/CA1042386A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/01—Manufacture or treatment
    • H10N30/09—Forming piezoelectric or electrostrictive materials
    • H10N30/098—Forming organic materials
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/01—Manufacture or treatment
    • H10N30/04—Treatments to modify a piezoelectric or electrostrictive property, e.g. polarisation characteristics, vibration characteristics or mode tuning
    • H10N30/045—Treatments to modify a piezoelectric or electrostrictive property, e.g. polarisation characteristics, vibration characteristics or mode tuning by polarising
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/85—Piezoelectric or electrostrictive active materials
    • H10N30/857—Macromolecular compositions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Laminated Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
CA235,050A 1974-09-11 1975-09-09 Method for continuously polarizing thermoplastic film Expired CA1042386A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49103863A JPS5130997A (en) 1974-09-11 1974-09-11 Kobunshifuirumu no renzokuseikyokuhoho

Publications (1)

Publication Number Publication Date
CA1042386A true CA1042386A (en) 1978-11-14

Family

ID=14365275

Family Applications (1)

Application Number Title Priority Date Filing Date
CA235,050A Expired CA1042386A (en) 1974-09-11 1975-09-09 Method for continuously polarizing thermoplastic film

Country Status (7)

Country Link
US (1) US3985914A (index.php)
JP (1) JPS5130997A (index.php)
CA (1) CA1042386A (index.php)
DE (1) DE2539924C3 (index.php)
FR (1) FR2284992A1 (index.php)
GB (1) GB1507326A (index.php)
NL (1) NL161913C (index.php)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4079437A (en) * 1976-04-30 1978-03-14 Minnesota Mining And Manufacturing Machine and method for poling films of pyroelectric and piezoelectric material
EP0001008A1 (en) * 1977-08-22 1979-03-07 The Post Office Method and apparatus for implanting an electret charge in a foil material, and product produced thereby
JPS5512508A (en) * 1978-07-10 1980-01-29 Kureha Chem Ind Co Ltd Information recording sheet
GB2045522B (en) * 1979-04-03 1983-03-16 Standard Telephones Cables Ltd Piezo-electric film manufacture
IL59078A0 (en) * 1979-01-30 1980-05-30 Int Standard Electric Corp Manufacture of piezo-electric plastics film and transducer comprising it
FR2490877A1 (fr) 1980-09-19 1982-03-26 Thomson Csf Procede de fabrication de films polymeres piezoelectriques
US4375718A (en) * 1981-03-12 1983-03-08 Surgikos, Inc. Method of making fibrous electrets
JPS57188105A (en) * 1981-05-14 1982-11-19 Toshiba Corp Electret constituent
US4393093A (en) * 1981-06-12 1983-07-12 Pennwalt Corporation Preparation of high gamma (α)phase poly(vinylidene fluoride) piezoelectric materials
TWI223084B (en) * 2002-04-25 2004-11-01 Murata Manufacturing Co Electronic component characteristic measuring device
DE102004011029B4 (de) * 2004-03-04 2009-11-19 Siemens Ag Polymeraktor in Stapelbauweise und Verfahren zu dessen Herstellung
JP5288530B2 (ja) * 2007-03-30 2013-09-11 富士フイルム株式会社 圧電素子製造方法及び液体吐出ヘッド製造方法
JP6066773B2 (ja) * 2013-03-05 2017-01-25 積水化学工業株式会社 圧電センサの製造方法
US12225822B2 (en) * 2017-11-30 2025-02-11 Jabil Inc. System for manufacturing piezoelectronics
CN110042481A (zh) * 2019-04-26 2019-07-23 西安工程大学 一种连续生产压电纤维的装置及方法
CN110306248A (zh) * 2019-06-14 2019-10-08 西安工程大学 一种pvdf压电纤维的连续生产方法及装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1135737A (index.php) * 1965-10-23 1900-01-01
DE1639444B2 (de) * 1967-05-15 1972-08-03 Thermo Electron Engineering Corp., Waltham, Mass. (V.StA.) Elektroakustischer wandler
US3632443A (en) * 1968-04-27 1972-01-04 Sony Corp Method of making polypropylene electrets
NL143362B (nl) * 1968-07-10 1974-09-16 Tno Werkwijze voor het formeren van een eenzijdig gemetalliseerde elektreetfoelie, alsmede zulk een elektreetfoelie geformeerd volgens deze werkwijze.
JPS5024440B1 (index.php) * 1970-07-10 1975-08-15
JPS5146919B1 (index.php) * 1971-02-09 1976-12-11

Also Published As

Publication number Publication date
DE2539924A1 (de) 1976-04-01
NL161913C (nl) 1980-03-17
JPS5613389B2 (index.php) 1981-03-27
NL7510698A (nl) 1976-03-15
DE2539924B2 (de) 1981-06-19
JPS5130997A (en) 1976-03-16
FR2284992A1 (fr) 1976-04-09
US3985914A (en) 1976-10-12
NL161913B (nl) 1979-10-15
DE2539924C3 (de) 1982-02-25
GB1507326A (en) 1978-04-12
FR2284992B1 (index.php) 1978-08-18

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