SE336025B - - Google Patents

Info

Publication number
SE336025B
SE336025B SE14988/67A SE1498867A SE336025B SE 336025 B SE336025 B SE 336025B SE 14988/67 A SE14988/67 A SE 14988/67A SE 1498867 A SE1498867 A SE 1498867A SE 336025 B SE336025 B SE 336025B
Authority
SE
Sweden
Prior art keywords
electrodes
polycarbonate
polymer
temperature
electrets
Prior art date
Application number
SE14988/67A
Other languages
English (en)
Inventor
M Perlman
C Reedyk
Original Assignee
Northern Electric Co
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 Northern Electric Co filed Critical Northern Electric Co
Publication of SE336025B publication Critical patent/SE336025B/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/42—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes polyesters; polyethers; polyacetals
    • H01B3/421—Polyesters
    • H01B3/426—Polycarbonates
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00—Gas separation
    • Y10S55/39—Electrets separator

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
SE14988/67A 1966-11-01 1967-11-01 SE336025B (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US59132166A 1966-11-01 1966-11-01

Publications (1)

Publication Number Publication Date
SE336025B true SE336025B (xx) 1971-06-21

Family

ID=24366026

Family Applications (1)

Application Number Title Priority Date Filing Date
SE14988/67A SE336025B (xx) 1966-11-01 1967-11-01

Country Status (5)

Country Link
US (1) US3458713A (xx)
DE (1) DE1614294A1 (xx)
GB (1) GB1135998A (xx)
NL (1) NL6714502A (xx)
SE (1) SE336025B (xx)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3612778A (en) * 1967-05-15 1971-10-12 Thermo Electron Corp Electret acoustic transducer and method of making
USRE28420E (en) * 1967-05-15 1975-05-13 Blbctret acoustic transducer
US3632443A (en) * 1968-04-27 1972-01-04 Sony Corp Method of making polypropylene electrets
GB1302590A (xx) * 1969-09-10 1973-01-10
US3967027A (en) * 1969-12-19 1976-06-29 Kureha Kagaku Kogyo Kabushiki Kaisha Stable electret retaining a high surface potential and method of making the same
US3783588A (en) * 1971-12-20 1974-01-08 Gen Electric Polymer film electret air filter
US3809828A (en) * 1972-01-17 1974-05-07 Gte Laboratories Inc Electret transducing device
US3854337A (en) * 1973-10-01 1974-12-17 Us Atomic Energy Charge storage device
US3968790A (en) * 1975-02-26 1976-07-13 Rikagaku Kenkyusho Electret method of promoting callus formation in regeneration of bones
US4808849A (en) * 1987-02-03 1989-02-28 Canadian Patents And Development Limited/Societe Canadienne Des Brevets Et D'exploitation Limitee Phyllosilicate electrets and a method for their manufacture
US4878150A (en) * 1987-02-20 1989-10-31 Colgate-Palmolive Co. Polarizable material having a liquid crystal microstructure and electrical components produced therefrom
US5038249A (en) * 1987-02-20 1991-08-06 Colgate-Palmolive Co. Nonisotropic solution polarizable material and electrical components produced therefrom
US5206797A (en) * 1987-02-20 1993-04-27 Colgate-Palmolive Company Nonisotropic solution polarizable material and electrical components produced therefrom
CA2037942A1 (en) * 1990-03-12 1991-09-13 Satoshi Matsuura Process for producing an electret, a film electret, and an electret filter
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
US20030047844A1 (en) * 2001-09-07 2003-03-13 Jose Porchia Method of producing an electrically charged film
US6899931B2 (en) 2001-09-07 2005-05-31 S. C. Johnson Home Storage, Inc. Film material
US6846449B2 (en) 2001-09-07 2005-01-25 S. C. Johnson Home Storage, Inc. Method of producing an electrically charged film
US20040254322A1 (en) * 2003-06-10 2004-12-16 Trent John S. Easily torn charged or uncharged films and methods and compositions for producing same
US20040262234A1 (en) * 2003-06-27 2004-12-30 Warren William L. Desalinization using a moving magnetic field

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE464634A (xx) * 1946-01-22 S E M S A R L Ets
US3274156A (en) * 1964-01-10 1966-09-20 Eastman Kodak Co Chlorinated polycarbonates

Also Published As

Publication number Publication date
GB1135998A (en) 1968-12-11
NL6714502A (xx) 1968-05-02
US3458713A (en) 1969-07-29
DE1614294A1 (de) 1970-05-27

Similar Documents

Publication Publication Date Title
SE336025B (xx)
CA953990A (en) Cyclic recording system by the use of an elastomer in an electric field
CA995000A (en) Electrically conducting elastomers and electrical members embodying the same
CA948724A (en) Electrical signal combining and separating arrangements
CA926932A (en) High voltage electric network
CA528644A (en) Combined electrical connectors and ground clamps
CA670498A (en) Battery plate and method of making the same
CA957721A (en) Cyclic recording system by the use of an elastomer in an electric field
CA674724A (en) Electrical capacitors and methods of making the same
CA849708A (en) Electrically connecting and disconnecting
CA526677A (en) Element conducting electric current and processes of making it
CA657718A (en) Fiber-bonded electrodes and methods of producing the same
CA991693A (en) Cyclic recording system by the use of an elastomer in an electric field
CA930048A (en) Electrical devices and methods of making same
CA535890A (en) Electrically conducting films
CA829463A (en) Rms voltage regulator
AU218647B2 (en) Combined fluid and electrical connection for submersible pump-motor units
AU456341B2 (en) Improved electric and electronic training aids
CA589905A (en) Burglar alarm system with equal day and night current
CA727648A (en) Production of aromatic nitriles and imides
CA586192A (en) Electrical condensers and their manufacture
CA632326A (en) Separation of substances by counter-flow migration in an electric field
CA739891A (en) Electrode mount and method of manufacture thereof
CA828862A (en) Voltage and current regulator with variable reference voltage
CA652925A (en) Battery electrodes and methods of making the same