NDLI: Space charge observation of a filler free epoxy resin

Content Provider	IEEE Xplore Digital Library
Author	Fukunaga, K. Maeno, T. Griseri, V.
Copyright Year	2000
Description	Author affiliation: Commun. Res. Lab., Minist. of Posts & Telecommun., Tokyo, Japan (Fukunaga, K.)
Abstract	Space charge behaviour in epoxy resin and its effect on electrical ageing have been investigated for several years. For example, copper ion migration in an epoxy resin of a printed circuit board was observed by using the pulsed electroacoustic (PEA) space charge measurement system. In this work, a type of filler-free resins (CY1301) was used as a specimen in order to investigate the temperature dependence of space charge behaviour in an epoxy resin of which the glass transition temperature was just below 40/spl deg/C. Space charge profiles were measured by the PEA method at 20/spl deg/C and 40/spl deg/C either under the electric field of 15 kV/mm or after the electrodes were short circuited. At 20/spl deg/C, injected charges appeared near the electrodes. At 40/spl deg/C, on the other hand, only surface charge on the electrode remained even though the electrodes were short-circuited. Although further investigation is required, it is clear that the space charge phenomena is strongly influenced by the temperature, and it could be related to the glass transition temperature of the resin.
Starting Page	125
Ending Page	127
File Size	335802
Page Count	3
File Format	PDF
ISBN	0780364139
DOI	10.1109/CEIDP.2000.885243
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-10-15
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Space charge Epoxy resins Electrodes Pulse measurements Current measurement Charge measurement Temperature dependence Glass Aging Copper
Content Type	Text
Resource Type	Article

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