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Title:
POLYMER FILM
Document Type and Number:
Japanese Patent JPS63317544
Kind Code:
A
Abstract:

PURPOSE: To obtain a polymer film composed of a vinylidene fluoride/ trifluoroethylene copolymer containing a metal complex pigment, having a dielectric constant increased by a factor of ten or more without increasing electrical conductivity and utilizable as a small-sized capacitor, etc.

CONSTITUTION: A vinylidene fluoride/trifluoroethylene copolymer and ≥5% of a metal complex pigment (preferably a nickel complex) are dissolved in e.g. dimethylformamide and a film of 0.5μm thick is formed from the dope by spin-coating process. Since the obtained film has a dielectric constant increased by a factor of ten or more without increasing electrical conductivity in a specific frequency zone, it is useful as a polymer film having high dielectric constant and low loss.


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Inventors:
DATE MUNEHIRO
FURUKAWA TAKEO
TAZANE YOSHIRO
SHIMURA ISAMU
ISHIWARI KAZUO
MURANO KANJI
Application Number:
JP15313587A
Publication Date:
December 26, 1988
Filing Date:
June 19, 1987
Export Citation:
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Assignee:
RIKAGAKU KENKYUSHO
DAIKIN IND LTD
SONY CORP
International Classes:
C08K5/56; C08J5/18; C08K5/49; C08L27/12; C08L27/14; C08L27/16; H01B3/44; H01G4/18; H01G7/06; (IPC1-7): C08K5/56; C08L27/12
Domestic Patent References:
JPS57160115A1982-10-02
JPS621744A1987-01-07
Attorney, Agent or Firm:
Minoru Nakamura



 
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