Resist composition, method of forming resist pattern, novel compound and acid generator

US9017919B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9017919-B2
Application numberUS-201113282920-A
CountryUS
Kind codeB2
Filing dateOct 27, 2011
Priority dateOct 29, 2010
Publication dateApr 28, 2015
Grant dateApr 28, 2015

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  1. Title

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  2. Abstract

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  5. First independent claim

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Abstract

Official abstract text for this publication.

A resist composition containing a base component (A) which exhibits changed solubility in a developing solution under the action of acid, and an acid generator component (B) which generates acid upon exposure, wherein the acid generator component (B) includes an acid generator (B1) having a group represented by general formula (b1-1) shown below in the cation moiety.

First claim

Opening claim text (preview).

What is claimed is: 1. A resist composition, comprising a base component (A) which exhibits changed solubility in a developing solution under action of acid, and an acid generator component (B) which generates acid upon exposure, wherein the acid generator component (B) comprises an acid generator (B1) having a group represented by general formula (b1-2) shown below: w…

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What does patent US9017919B2 cover?
A resist composition containing a base component (A) which exhibits changed solubility in a developing solution under the action of acid, and an acid generator component (B) which generates acid upon exposure, wherein the acid generator component (B) includes an acid generator (B1) having a group represented by general formula (b1-1) shown below in the cation moiety.
Who is the assignee on this patent?
Utsumi Yoshiyuki, Kawaue Akiya, Komuro Yoshitaka, and 2 more
What technology area does this patent fall under?
Primary CPC classification G03F7/0045. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Apr 28 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).