- Patent Title: Compound, resin, resist composition or radiation-sensitive composition, resist pattern formation method, method for producing amorphous film, underlayer film forming material for lithography, composition for underlayer film formation for lithography, method for forming circuit pattern, and purification method
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Application No.: US15759076Application Date: 2016-09-08
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Publication No.: US11243467B2Publication Date: 2022-02-08
- Inventor: Takumi Toida , Youko Shimizu , Takashi Makinoshima , Takashi Sato , Masatoshi Echigo
- Applicant: Mitsubishi Gas Chemical Company, Inc.
- Applicant Address: JP Tokyo
- Assignee: Mitsubishi Gas Chemical Company, Inc.
- Current Assignee: Mitsubishi Gas Chemical Company, Inc.
- Current Assignee Address: JP Tokyo
- Agency: Fitch, Even, Tabin & Flannery LLP
- Priority: JPJP2015-178545 20150910
- International Application: PCT/JP2016/076392 WO 20160908
- International Announcement: WO2017/043561 WO 20170316
- Main IPC: G03F7/004
- IPC: G03F7/004 ; C07C39/367 ; C07C69/96 ; C07D307/56 ; G03F7/039 ; G03F7/30 ; G03F7/023 ; G03F7/09 ; G03F7/16 ; G03F7/022 ; C07C43/23 ; C07C39/15

Abstract:
The present invention employs a compound represented by the following formula (1) and/or a resin comprising the compound as a constituent: wherein R1 is a 2n-valent group of 1 to 60 carbon atoms or a single bond; R2 to R5 are each independently a linear, branched, or cyclic alkyl group of 1 to 10 carbon atoms, an aryl group of 6 to 10 carbon atoms, an alkenyl group of 2 to 10 carbon atoms, an alkoxy group of 1 to 30 carbon atoms, a halogen atom, a thiol group, a hydroxy group, or a group in which a hydrogen atom of a hydroxy group is replaced with an acid dissociation group, provided that at least one selected from R2 to R5 is a group in which a hydrogen atom of a hydroxy group is replaced with an acid dissociation group; m2 and m3 are each independently an integer of 0 to 8; m4 and m5 are each independently an integer of 0 to 9, provided that m2, m3, m4, and m5 are not 0 at the same time; n is an integer of 1 to 4; and p2 to p5 are each independently an integer of 0 to 2.
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