2008 International Symposium on Electrical Insulating Materials (ISEIM 2008) 2008
DOI: 10.1109/iseim.2008.4664459
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Cited by 6 publications
(3 citation statements)
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“…It is assumed that the migration increases the conductivity of the adhesive so as to suppress the discontinuity in the ratio of permittivity and conductivity between the two media, resulting in the decrease in negative charge accumulation. Namely, such changes in space charge distribution clearly indicate the growth of electrochemical migration in the paper/resin composite PWB [11,12,14,15]. When the voltage application time exceeded 5 h, no apparent changes in space charge distribution were observed, indicating that electrochemical migration would not penetrate beyond the adhesive layer that plays a significant role in the enhancement of electric field at the anode, as far as the region under the Cu foil electrode is concerned.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…It is assumed that the migration increases the conductivity of the adhesive so as to suppress the discontinuity in the ratio of permittivity and conductivity between the two media, resulting in the decrease in negative charge accumulation. Namely, such changes in space charge distribution clearly indicate the growth of electrochemical migration in the paper/resin composite PWB [11,12,14,15]. When the voltage application time exceeded 5 h, no apparent changes in space charge distribution were observed, indicating that electrochemical migration would not penetrate beyond the adhesive layer that plays a significant role in the enhancement of electric field at the anode, as far as the region under the Cu foil electrode is concerned.…”
Section: Resultsmentioning
confidence: 99%
“…Therefore, the authors have tried to apply the pulsed electroacoustic (PEA) method, which is widely used for nondestructive measurement of space charge distributions in many insulating polymers [13], to detect the growth of migration along the thickness direction in PWBs [14,15]. In this paper, the generation mechanism of electrochemical migration along the thickness direction is examined in paper/phenol‐resin composites, by paying attention to the space charge distributions.…”
Section: Introductionmentioning
confidence: 99%
“…Therefore, the authors have tried to apply the pulsed electroacoustic (PEA) method, which is widely used for nondestructive measurement of space charge distributions in many insulating polymers [13], to detect the growth of migration along the thickness direction in PWBs [14,15]. In this paper, the possibility of the detection of migration was examined for epoxy resin and a laminate of epoxy resin and a paper/phenol-resin composite.…”
Section: Introductionmentioning
confidence: 99%