NDLI: Relationship between breakdown and space charge formation in polyimide film under dc high stress

Content Provider	IEEE Xplore Digital Library
Author	Kishi, Y. Miyake, H. Tanaka, Y. Takada, T.
Copyright Year	2009
Description	Author affiliation: Tokyo City University, 1-28-1 Tamazutsumi, Setagaya-ku, Tokyo, Japan (Kishi, Y.; Miyake, H.; Tanaka, Y.; Takada, T.)
Abstract	Relationship between breakdown strength and space charge formation in polyimide film under dc high stress at various temperatures is investigated using pulsed electro-acoustic (PEA) method. Polyimide films are used for various electric and electronic devices as insulating materials. They are demanded to show a good performance at various condition like at high temperature, under high electric stress with high humidity. Furthermore, since the material is expected to be much thinner, the breakdown characteristic is one of important factors to estimate the material. On the other hand, the space charge formation sometimes strongly affects to dc breakdown strength. Therefore, we have been investigating the relationship between the breakdown and space charge formation in polyimide film. It is found that hetero space charges are always found before breakdown. Since it is always observed before breakdown at high temperature, it may be predictive information for breakdown.
Starting Page	146
Ending Page	149
File Size	389611
Page Count	4
File Format	PDF
ISBN	9781424445578
ISSN	00849162
DOI	10.1109/CEIDP.2009.5377832
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-18
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electric breakdown Space charge Polyimides Stress Dielectrics and electrical insulation Dielectric breakdown Current measurement Charge measurement Temperature dependence Pulsed electroacoustic methods
Content Type	Text
Resource Type	Article

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