| abstract |
The present disclosure provides a composite comprising: a nitride sintered body having a porous structure; and a semi-cured product, of a thermosetting composition, impregnated in the nitride sintered body, wherein when the composite is disposed between adherends, then the composite is heated and pressurized for 5 minutes under the conditions of 200°C and 10 MPa and further heated for 2 hours under the conditions of 200°C and atmospheric pressure, and the dielectric breakdown voltage of the composite is greater than 5 kV. |