公开(公告)号：US20240218215A1

公开(公告)日：2024-07-04

申请号：US18288121

申请日：2022-04-26

申请人： DENKA COMPANY LIMITED

发明人： Tometomo UCHIDA HAMAGUCHI ,  Takako TANIGAWA HOSHINO ,  Megumi SUDO ,  Hiromi OKUMURA ,  Jun YOSHIDA

IPC分类号： C09J135/02 ,  C08F222/20 ,  C09J4/00 ,  C09J5/00 ,  H01L21/683

CPC分类号： C09J135/02 ,  C08F222/20 ,  C09J4/00 ,  C09J5/00 ,  H01L21/6836 ,  C08F2800/20 ,  C09J2433/00 ,  H01L2221/68327 ,  H01L2221/68381

摘要： A composition for temporary bonding with excellent compatibility, suitability for spin coating process, heat resistance, and suitability for various release processes. The composition includes:



(A) a bifunctional (meth)acrylate not having a cyclic structure;
(B) a bifunctional (meth)acrylate having a cyclic structure; and
(C) a photo radical polymerization initiator.

公开(公告)号：US20230193090A1

公开(公告)日：2023-06-22

申请号：US17923377

申请日：2021-05-17

申请人： DENKA COMPANY LIMITED

发明人： Tometomo UCHIDA ,  Toru ARAI ,  Takashi DOMOTO ,  Takako TANIGAWA ,  Jun WATANABE ,  Megumi SUDO ,  Jun YOSHIDA

IPC分类号： C09J123/22 ,  C08K5/00 ,  C08F2/44 ,  C08F2/48 ,  H01L21/02 ,  C08K5/101 ,  C08F20/20 ,  C09J11/06

CPC分类号： C09J123/22 ,  C08K5/0025 ,  C08F2/44 ,  C08F2/48 ,  H01L21/02304 ,  H01L21/0231 ,  C08K5/101 ,  C08F20/20 ,  C09J11/06

摘要： A composition for temporary bonding, includes: (A) a (meth)acrylate having the following (A-1) and (A-2): (A-1) a monofunctional (meth)acrylate whose side chain is an alkyl group having 18 or more carbon atoms and homopolymer has a Tg of −100° C. to 60° C., and (A-2) a polyfunctional (meth)acrylate; (B) a polyisobutene homopolymer and/or a polyisobutene copolymer; and (C) a photo radical polymerization initiator.