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Cited by 10 publications
(9 citation statements)
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References 8 publications
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“…Namely, positive and negative charge carriers appear in pairs at four places inside the sample, which modifies the electric field. As the authors mentioned in a previous report [3], the peak positions of these charge pairs are in agreement with the interfaces of aramid paper/epoxy resin. It is thought that charge carriers accumulate at the interfaces for some reason.…”
Section: Sample and Experimental Proceduressupporting
confidence: 89%
“…Namely, positive and negative charge carriers appear in pairs at four places inside the sample, which modifies the electric field. As the authors mentioned in a previous report [3], the peak positions of these charge pairs are in agreement with the interfaces of aramid paper/epoxy resin. It is thought that charge carriers accumulate at the interfaces for some reason.…”
Section: Sample and Experimental Proceduressupporting
confidence: 89%
“…The formation of the heterocharge can probably be explained by ionic dissociation due to the water [4,5]. Thus, we prepared ultrapure water with a resistivity of 18.3 MΩ⋅cm at 25 °C by using a Milli-Q SP system by Millipore, and immersed the samples with a weight of 1.0 g for 100 hours at 25, 40, 65, and 85 °C.…”
Section: Space Charge Distribution and Electric Field Distributionmentioning
confidence: 99%
“…The space charge that directly affects the electric field distribution inside a PCB is produced mainly by ionic impurities, and thus is often observed at high temperature and high humidity [4][5][6]. There are several studies of the influence of temperature on space charge behavior inside PCBs [4][5][6][7], but little has been found so far about the relationship between humidity and space charge [5,6]. In this study, we examine the behavior of the space charge inside a PCB depending on the water temperature and water absorption time during moisture absorption treatment.…”
Section: Introductionmentioning
confidence: 99%
“…The negative charge is due to the discontinuity of the ratio of permittivity and conductivity [8]. Namely, it is expressed by the equation,…”
Section: B2 Laminate Of Epoxy and Paper/resin Compositementioning
confidence: 99%
“…On the other hand, to achieve further integration of circuits, PWBs must have complicated multi-layered wiring of conductors [5][6][7]. This means that their insulating ability is important not only along the surface direction but also along the thickness direction [8][9][10][11][12]. On this point, a reliable nondestructive method of detecting growth of migration in the thickness direction is required.…”
Section: Introductionmentioning
confidence: 99%