公开(公告)号：US20230271888A1

公开(公告)日：2023-08-31

申请号：US17998687

申请日：2021-05-13

Applicant: Denka Company Limited

Inventor： Nobuya SUZUKI ,  Saori INOUE ,  Yasuhisa UESHIMA ,  Ryo YOSHIMATSU ,  Ryuji KOGA

IPC: C04B41/48 ,  C04B41/45 ,  C04B41/00 ,  C04B41/83 ,  C04B35/583 ,  B29C39/10

CPC classification number: C04B41/4884 ,  B29C39/10 ,  C04B35/583 ,  C04B41/0063 ,  C04B41/83 ,  C04B41/4521 ,  C04B41/4525 ,  H01L33/641

Abstract: One aspect of the present disclosure provides a production method for a composite, the method including: a cooling step of performing cooling under a pressurized condition in a state where a heated molten material of a thermosetting composition is brought into contact with a resin-impregnated body, in which the above-described resin-impregnated body includes a nitride sintered body having a porous structure and a semi-cured product of the thermosetting composition impregnated into the above-described nitride sintered body.

公开(公告)号：US20230227370A1

公开(公告)日：2023-07-20

申请号：US17998690

申请日：2021-05-13

Applicant: Denka Company Limited

Inventor： Nobuya SUZUKI ,  Saori INOUE ,  Yasuhisa UESHIMA ,  Ryo YOSHIMATSU ,  Ryuji KOGA

IPC: C04B37/02 ,  C04B35/583 ,  C04B41/83 ,  C04B41/48 ,  B32B3/26 ,  B32B9/00 ,  B32B9/04

CPC classification number: C04B37/021 ,  C04B35/583 ,  C04B41/83 ,  C04B41/4884 ,  B32B3/26 ,  B32B9/005 ,  B32B9/041 ,  C04B2237/361 ,  C04B2237/407 ,  C04B2237/52 ,  H01L33/641

Abstract: One aspect of the present disclosure provides a composite body including: a nitride sintered body having a porous structure; and a semi-cured product of a thermosetting composition impregnated into the above-described nitride sintered body, in which dielectric breakdown voltage is 4.5 kV or higher.