FR2007144A1 - - Google Patents

Info

Publication number
FR2007144A1
FR2007144A1 FR6913470A FR6913470A FR2007144A1 FR 2007144 A1 FR2007144 A1 FR 2007144A1 FR 6913470 A FR6913470 A FR 6913470A FR 6913470 A FR6913470 A FR 6913470A FR 2007144 A1 FR2007144 A1 FR 2007144A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6913470A
Other languages
French (fr)
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of FR2007144A1 publication Critical patent/FR2007144A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Laminated Bodies (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Thermistors And Varistors (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
FR6913470A 1968-04-27 1969-04-28 Withdrawn FR2007144A1 (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2836668 1968-04-27

Publications (1)

Publication Number Publication Date
FR2007144A1 true FR2007144A1 (enrdf_load_html_response) 1970-01-02

Family

ID=12246611

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6913470A Withdrawn FR2007144A1 (enrdf_load_html_response) 1968-04-27 1969-04-28

Country Status (5)

Country Link
US (1) US3632443A (enrdf_load_html_response)
DE (2) DE6916586U (enrdf_load_html_response)
FR (1) FR2007144A1 (enrdf_load_html_response)
GB (1) GB1258638A (enrdf_load_html_response)
NL (1) NL6906413A (enrdf_load_html_response)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2284196A1 (fr) * 1974-09-03 1976-04-02 Kureha Chemical Ind Co Ltd Procede de fabrication d'elements electriques a partir d'un film thermoplastique
FR2284992A1 (fr) * 1974-09-11 1976-04-09 Kureha Chemical Ind Co Ltd Procede de polarisation en continu de films thermoplastiques
FR2433231A1 (fr) * 1978-08-10 1980-03-07 Uniroyal Ltd Electret realise en polymere d'alpha-olefine reticulee

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3763482A (en) * 1971-02-01 1973-10-02 Gte Sylvania Inc Coaxial cable transducer
US3898981A (en) * 1971-09-01 1975-08-12 Electronic Monitors Inc Respiration monitoring apparatus
US3945112A (en) * 1975-03-21 1976-03-23 Bell Telephone Laboratories, Incorporated Technique for fabrication of foil electret
US4215682A (en) * 1978-02-06 1980-08-05 Minnesota Mining And Manufacturing Company Melt-blown fibrous electrets
DE3172124D1 (en) * 1980-06-10 1985-10-10 Matsushita Electric Ind Co Ltd A method of vacuum depositing a layer on a plastics film substrate
GB2079056B (en) * 1980-06-30 1985-04-17 Tokyo Shibaura Electric Co Electret device
EP0048902A3 (en) * 1980-09-25 1983-11-09 Kabushiki Kaisha Toshiba Method for manufacturing electret device and condenser type electro-acoustic transducer having electrets
US4654546A (en) * 1984-11-20 1987-03-31 Kari Kirjavainen Electromechanical film and procedure for manufacturing same
US4871352A (en) * 1987-12-07 1989-10-03 Controlled Release Technologies, Inc. Self-regulated therapeutic agent delivery system and method
US5610455A (en) * 1995-06-29 1997-03-11 Minnesota Mining And Manufacturing Company Electret containing syndiotactic vinyl aromatic polymer
US5835027A (en) * 1996-11-07 1998-11-10 Tyburski; Robert M. Residual charge effect traffic sensor
FI103747B1 (fi) * 1998-01-29 1999-08-31 Emf Acoustics Oy Ltd Värähtelymuunninyksikkö
FI108204B (fi) * 1999-11-25 2001-11-30 Kari Johannes Kirjavainen Kalvo energioiden muuntamiseksi
US6513184B1 (en) 2000-06-28 2003-02-04 S. C. Johnson & Son, Inc. Particle entrapment system
US6550639B2 (en) 2000-12-05 2003-04-22 S.C. Johnson & Son, Inc. Triboelectric system
FI118369B (fi) * 2000-12-19 2007-10-15 Emfitech Oy Sähkömekaaninen muunnin ja menetelmä sähkömekaanisen muuntimen valmistamiseksi
CN111109794A (zh) * 2020-01-20 2020-05-08 兰州理工大学 一种具有自充电功能的旅行箱
CN113851329B (zh) * 2021-09-24 2023-06-16 重庆大学 一种提高聚烯烃薄膜表面电荷存储稳定性的方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1349040A (fr) * 1962-03-05 1964-01-10 Du Pont Procédé d'enregistrement électrostatique et bande d'enregistrement utilisée
US3301786A (en) * 1962-05-07 1967-01-31 Union Oil Co Synthetic ferroelectric articles
US3316620A (en) * 1964-02-28 1967-05-02 Philip Morris Inc Process for the production of electrets
FR1497727A (fr) * 1966-10-17 1967-10-13 Philip Morris Inc Procédé de fabrication de matériau porteur de charges et produit fabriqué par ce procédé

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1135737A (enrdf_load_html_response) * 1965-10-23 1900-01-01
US3458713A (en) * 1966-11-01 1969-07-29 Northern Electric Co Polycarbonate electrets

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1349040A (fr) * 1962-03-05 1964-01-10 Du Pont Procédé d'enregistrement électrostatique et bande d'enregistrement utilisée
US3301786A (en) * 1962-05-07 1967-01-31 Union Oil Co Synthetic ferroelectric articles
US3316620A (en) * 1964-02-28 1967-05-02 Philip Morris Inc Process for the production of electrets
FR1497727A (fr) * 1966-10-17 1967-10-13 Philip Morris Inc Procédé de fabrication de matériau porteur de charges et produit fabriqué par ce procédé

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/66 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2284196A1 (fr) * 1974-09-03 1976-04-02 Kureha Chemical Ind Co Ltd Procede de fabrication d'elements electriques a partir d'un film thermoplastique
FR2284992A1 (fr) * 1974-09-11 1976-04-09 Kureha Chemical Ind Co Ltd Procede de polarisation en continu de films thermoplastiques
FR2433231A1 (fr) * 1978-08-10 1980-03-07 Uniroyal Ltd Electret realise en polymere d'alpha-olefine reticulee

Also Published As

Publication number Publication date
GB1258638A (enrdf_load_html_response) 1971-12-30
DE1920940A1 (de) 1969-11-20
US3632443A (en) 1972-01-04
NL6906413A (enrdf_load_html_response) 1969-10-29
DE6916586U (de) 1970-02-12

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Legal Events

Date Code Title Description
ST Notification of lapse