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Patent Searching and Data


Title:
POLYESTER FILM FOR CAPACITOR, METALLIZED POLYESTER FILM FOR CAPACITOR AND FILM CAPACITOR
Document Type and Number:
Japanese Patent JPH09306780
Kind Code:
A
Abstract:

To provide a polyester film for a capacitor, superior in film formability, productivity, and various electric characteristics.

The polyester film for a capacitor is a two-axially orientated film of a polyester of a polyethylene terephthalate contg. at least an acid component other than that of terephthalic acid and/or glycol component other than that of ethylene glycol 0.1-10mol%. This improves the film formability i.e., making the film hardly broken and allows a stable film forming for a long time and enables production of very thin films not produced in the prior art, resulting in forming of a polyester film for a capacitor, superior in various electric characteristics (breakdown voltage).


Inventors:
AOKI SEIZO
DEGUCHI YUKICHI
UEDA TAKASHI
Application Number:
JP12325596A
Publication Date:
November 28, 1997
Filing Date:
May 17, 1996
Export Citation:
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Assignee:
TORAY INDUSTRIES
International Classes:
C08J5/18; B32B27/30; B32B27/36; H01G4/18; (IPC1-7): H01G4/18; B32B27/30; B32B27/36; C08J5/18; H01G4/18