| 摘要 |
<p>In order to address the problem of providing an electrically insulating resin sheet with excellent tear resistance and heat resistance, an electrically insulating resin sheet is provided with an electrically insulating resin layer containing both a polysulfone resin having multiple sulfonyl groups in the molecules and a thermoplastic resin other than said polysulfone resin, said electrically insulating resin sheet characterized in that said electrically insulating resin layer includes dispersed phases in which the aforementioned thermoplastic resin other than the polysulfone resin is dispersed in the aforementioned polysulfone resin, and the number of the aforementioned dispersed phases having a shortest diameter of 0.5µm or greater is 10 or fewer in areas in the range of 294µm2 of sections in the thickness direction of the aforementioned electrically insulating resin layer.</p> |
