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

US9012129B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9012129-B2
Application numberUS-201414147832-A
CountryUS
Kind codeB2
Filing dateJan 6, 2014
Priority dateNov 13, 2008
Publication dateApr 21, 2015
Grant dateApr 21, 2015

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  1. Title

    What the patent document calls the invention.

  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A resist composition including a base component (A) which exhibits changed solubility in an alkali developing solution under action of acid and an acid-generator component (B) including a compound represented by (b1-1), a compound represented by (b1-1′) and/or a compound represented by (b1-1″) (R 1 ″-R 3 ″ represents an aryl group or an alkyl group, provided that at least one of R 1 ″-R 3 ″ represents a substituted aryl group being substituted with a group represented by (b1-1-0), and two of R 1 ″-R 3 ″ may be mutually bonded to form a ring with the sulfur atom; X represents a C 3 -C 30 hydrocarbon group; Q 1 represents a carbonyl group-containing divalent linking group; X 10 represents a C 1 -C 30 hydrocarbon group; Q 3 represents a single bond or a divalent linking group; Y 10 represents —C(═O)— or —SO 2 —; Y 11 represents a C 1 -C 10 alkyl group or a fluorinated alkyl group: Q 2 represents a single bond or an alkylene group; and W represents a C 2 -C 10 alkylene group).

First claim

Opening claim text (preview).

What is claimed is: 1. A resist composition comprising a base component (A) which exhibits changed solubility in an alkali developing solution under action of acid and an acid-generator component (B) which generates acid upon exposure, said component (B) comprising an acid generator (B1′) comprised of a compound represented by formula (b1-1′) shown below: wherein each…

Assignees

Inventors

Classifications

  • Chemistry & Metallurgy · mapped topic

  • C07C309/12Primary

    Chemistry & Metallurgy · mapped topic

  • Cross-Sectional Technologies · mapped topic

  • Cross-Sectional Technologies · mapped topic

  • Cross-Sectional Technologies · mapped topic

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What does patent US9012129B2 cover?
A resist composition including a base component (A) which exhibits changed solubility in an alkali developing solution under action of acid and an acid-generator component (B) including a compound represented by (b1-1), a compound represented by (b1-1′) and/or a compound represented by (b1-1″) (R 1 ″-R 3 ″ represents an aryl group or an alkyl group, provided that at least one of R 1 ″-R 3 ″ rep…
Who is the assignee on this patent?
Tokyo Ohka Kogyo Co Ltd
What technology area does this patent fall under?
Primary CPC classification C07C309/12. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Apr 21 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).