IP Library Granted Patent US 8,632,945
Granted Patent B2
US 8,632,945 · App. 13/479,268 · Granted Jan 21, 2014

Radiation-sensitive resin composition, monomer, polymer, and production method of radiation-sensitive resin composition

Inventor: Ken Maruyama (Tokyo, JP)
Assignee: JSR Corporation
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Quick Facts
Patent No.
US 8,632,945
App. No.
13/479,268
Granted
Jan 21, 2014
Kind
B2
Abstract

A radiation-sensitive resin composition includes a solvent and a polymer. The polymer includes a repeating unit represented by a formula (I), a repeating unit represented by a formula (II), or a both thereof. Each of R 1 to R 3 independently represents a hydroxyl group, or the like. At least one of R 1 represents a group having two or more heteroatoms. l is an integer from 1 to 5. Each of m and n is independently an integer from 0 to 5. Each of R 7 and R 11 independently represents a hydrogen atom, or the like. Each of R 8 to R 10 independently represents a hydrogen atom, or the like. A represents —O—, or the like. D represents a substituted or unsubstituted methylene group, or the like.

Claims (103)

1. A radiation-sensitive resin composition comprising:

a polymer; and

a solvent,

said polymer including a following repeating unit represented by a general formula (I), a following repeating unit represented by a general formula (II), or both thereof,

wherein

each of R 1 to R 3 independently represents a hydroxyl group, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, —S—R 6 , or a group having two or more heteroatoms,

wherein

R 6 represents a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group,

at least one R 1 represents the group having two or more heteroatoms,

the group having two or more heteroatoms represented by the at least one R 1 includes a heteroatomic group represented by —OSO 2 —, —SO 2 —, —CONH—, or —SO 2 N(Ry)-, wherein Ry represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, or a substituted or unsubstituted aryl group, and

the heteroatomic group is directly bonded to the benzene ring bonded to S + ,

l is an integer from 1 to 5,

each of m and n is independently an integer from 0 to 5,

each of R 7 and R 11 independently represents a hydrogen atom, a halogen atom, a cyano group, or a substituted or unsubstituted alkyl group,

each of R 8 to R 10 independently represents a hydrogen atom, a hydroxyl group, a halogen atom, a nitro group, a carboxyl group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aralkyl group, or a substituted or unsubstituted alkoxy group,

A represents —O— or —NR 12 —, wherein R 12 represents a hydrogen atom, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group, and

D represents a substituted or unsubstituted methylene group, a substituted or unsubstituted alkylene group, or a substituted or unsubstituted arylene group.

2. The radiation-sensitive resin composition according to claim 1 , wherein said group having two or more heteroatoms is —OSO 2 -Rx, —SO 2 -Rx, or both thereof, wherein each of Rx independently represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, or a substituted or unsubstituted aryl group.

3. The radiation-sensitive resin composition according to claim 1 , wherein said polymer further includes a structural unit containing an acid-labile group.

4. The radiation-sensitive resin composition according to claim 3 , wherein said acid-labile group-containing structural unit comprises a structural unit represented by a following general formula (c-1),

wherein

R 12 represents a hydrogen atom, a methyl group, a trifluoromethyl group, or a hydroxymethyl group, and

each of R 13 independently represents a linear or branched alkyl group having 1 to 4 carbon atoms, a monovalent alicyclic hydrocarbon group having 4 to 20 carbon atoms or a group derived therefrom, or a substituted or unsubstituted aryl group having 6 to 22 carbon atoms, or

two of R 13 bond to each other to form a divalent alicyclic hydrocarbon group having 4 to 20 carbon atoms or a group derived therefrom, together with a carbon atom that is bonded to the two of R 13 , and one of R 13 other than the two of R 13 represents a linear or branched alkyl group having 1 to 4 carbon atoms, a monovalent alicyclic hydrocarbon group having 4 to 20 carbon atoms or a group derived therefrom, or a substituted or unsubstituted aryl group having 6 to 22 carbon atoms.

5. The radiation-sensitive resin composition according to claim 1 , further comprising a compound represented by a following general formula (B1),

wherein

each of R 13 independently represents a monovalent organic group,

Z − represents R 15 O − or R 15 COO − , wherein R 15 represents a monovalent organic group, and each of q is independently an integer from 0 to 5.

6. A radiation-sensitive resin composition comprising:

a polymer;

a cation; and

a solvent,

wherein said polymer includes a following repeating unit represented by a general formula (I-a), a following repeating unit represented by a general formula (II-a), or both thereof, and said cation is represented by a general formula (III),

wherein

each of R 7 and R 11 independently represents a hydrogen atom, a halogen atom, a cyano group, or a substituted or unsubstituted alkyl group,

each of R 8 to R 10 independently represents a hydrogen atom, a hydroxyl group, a halogen atom, a nitro group, a carboxyl group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aralkyl group, or a substituted or unsubstituted alkoxy group,

A represents —O— or —NR 12 —, wherein R 12 represents a hydrogen atom, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group, and

D represents a substituted or unsubstituted methylene group, a substituted or unsubstituted alkylene group, or a substituted or unsubstituted arylene group,

wherein

each of R 1 to R 3 independently represents a hydroxyl group, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, —S—R 6 , or a group having two or more heteroatoms,

wherein

R 6 represents a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group,

at least one R 1 represents the group having two or more heteroatoms,

the group having two or more heteroatoms represented by the at least one R 1 includes a heteroatomic group represented by —OSO 2 —, —SO 2 —, —CONH—, or —SO 2 N(Ry)-, wherein Ry represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, or a substituted or unsubstituted aryl group, and

the heteroatomic group is directly bonded to the benzene ring bonded to S + ,

l is an integer from 1 to 5, and

each of m and n is independently an integer from 0 to 5.

7. The radiation-sensitive resin composition according to claim 6 , wherein said group having two or more heteroatoms is —OSO 2 -Rx, —SO 2 -Rx, or both thereof, wherein each of Rx independently represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, or a substituted or unsubstituted aryl group.

8. The radiation-sensitive resin composition according to claim 6 , wherein said polymer further includes a structural unit containing an acid-labile group.

9. The radiation-sensitive resin composition according to claim 8 , wherein said acid-labile group-containing structural unit comprises a structural unit represented by a following general formula (c-1),

wherein

R 12 represents a hydrogen atom, a methyl group, a trifluoromethyl group, or a hydroxymethyl group, and

each of R 13 independently represents a linear or branched alkyl group having 1 to 4 carbon atoms, a monovalent alicyclic hydrocarbon group having 4 to 20 carbon atoms or a group derived therefrom, or a substituted or unsubstituted aryl group having 6 to 22 carbon atoms, or

two of R 13 bond to each other to form a divalent alicyclic hydrocarbon group having 4 to 20 carbon atoms or a group derived therefrom, together with a carbon atom that is bonded to the two of R 13 , and one of R 13 other than the two of R 13 represents a linear or branched alkyl group having 1 to 4 carbon atoms, a monovalent alicyclic hydrocarbon group having 4 to 20 carbon atoms or a group derived therefrom, or a substituted or unsubstituted aryl group having 6 to 22 carbon atoms.

10. The radiation-sensitive resin composition according to claim 6 , further comprising a compound represented by a following general formula (B1),

wherein

each of R 13 independently represents a monovalent organic group,

Z − represents R 15 O − or R 15 COO − , wherein R 15 represents a monovalent organic group, and

each of q is independently an integer from 0 to 5.

11. A monomer represented by a following general formula (I-m) or a following general formula (II-m),

wherein

each of R 1 to R 3 independently represents a hydroxyl group, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, —S—R 6 , or a group having two or more heteroatoms,

wherein

R 6 represents a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group,

at least one R 1 represents the group having two or more heteroatoms,

the group having two or more heteroatoms represented by the at least one R 1 includes a heteroatomic group represented by —OSO 2 —, —SO 2 —, —CONH—, or —SO 2 N(Ry)-, wherein Ry represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, or a substituted or unsubstituted aryl group, and

the heteroatomic group is directly bonded to the benzene ring bonded to S + ,

l is an integer from 1 to 5,

each of m and n is independently an integer from 0 to 5,

each of R 7 and R 11 independently represents a hydrogen atom, a halogen atom, a cyano group, or a substituted or unsubstituted alkyl group,

each of R 8 to R 10 independently represents a hydrogen atom, a hydroxyl group, a halogen atom, a nitro group, a carboxyl group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aralkyl group, or a substituted or unsubstituted alkoxy group,

A represents —O— or —NR 12 —, wherein R 12 represents a hydrogen atom, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group, and

D represents a substituted or unsubstituted methylene group, a substituted or unsubstituted alkylene group, or a substituted or unsubstituted arylene group.

12. A polymer comprising:

a following repeating unit represented by a general formula (I), a following repeating unit represented by a general formula (II) or both thereof,

wherein

each of R 1 to R 3 independently represents a hydroxyl group, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, —S—R 6 , or a group having two or more heteroatoms,

wherein

R 6 represents a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group,

at least one R 1 represents the group having two or more heteroatoms,

the group having two or more heteroatoms represented by the at least one R 1 includes a heteroatomic group represented by —OSO 2 —, —SO 2 —, —CONH—, or —SO 2 N(Ry)-, wherein Ry represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, or a substituted or unsubstituted aryl group, and

the heteroatomic group is directly bonded to the benzene ring bonded to S + ,

l is an integer from 1 to 5,

each of m and n is independently an integer from 0 to 5,

each of R 7 and R 11 independently represents a hydrogen atom, a halogen atom, a cyano group, or a substituted or unsubstituted alkyl group,

each of R 8 to R 10 independently represents a hydrogen atom, a hydroxyl group, a halogen atom, a nitro group, a carboxyl group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aralkyl group, or a substituted or unsubstituted alkoxy group,

A represents —O— or —NR 12 —, wherein R 12 represents a hydrogen atom, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group, and

D represents a substituted or unsubstituted methylene group, a substituted or unsubstituted alkylene group, or a substituted or unsubstituted arylene group.

13. A production method of a radiation-sensitive resin composition, comprising:

mixing a polymer and a solvent, the polymer comprising a following repeating unit represented by a general formula (I), a following repeating unit represented by a general formula (II), or both thereof,

wherein

each of R 1 to R 3 independently represents a hydroxyl group, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, —S—R 6 , or a group having two or more heteroatoms,

wherein

R 6 represents a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group,

at least one R 1 represents the group having two or more heteroatoms,

the group having two or more heteroatoms represented by the at least one R 1 includes a heteroatomic group represented by —OSO 2 —, —SO 2 —, —CONH—, or —SO 2 N(Ry)-, wherein Ry represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, or a substituted or unsubstituted aryl group, and

the heteroatomic group is directly bonded to the benzene ring bonded to S + ,

l is an integer from 1 to 5,

each of m and n is independently an integer from 0 to 5,

each of R 7 and R 11 independently represents a hydrogen atom, a halogen atom, a cyano group, or a substituted or unsubstituted alkyl group,

each of R 8 to R 10 independently represents a hydrogen atom, a hydroxyl group, a halogen atom, a nitro group, a carboxyl group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aralkyl group, or a substituted or unsubstituted alkoxy group,

A represents —O— or —NR 12 —, wherein R 12 represents a hydrogen atom, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group, and

D represents a substituted or unsubstituted methylene group, a substituted or unsubstituted alkylene group, or a substituted or unsubstituted arylene group.

Assignments (3)
MERGER Recorded Mar 23, 2026
From: JSR CORPORATION
To: JICC-02, CO., LTD
Reel/Frame 075191/0149 →
CHANGE OF NAME Recorded Mar 23, 2026
From: JICC-02 CO., LTD
To: JSR CORPORATION
Reel/Frame 075192/0023 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 24, 2012
From: MARUYAMA, KEN
To: JSR CORPORATION
Reel/Frame 028261/0323 →
Priority Claims (3)
JP 2009-278985 · Dec 8, 2009 · national
JP 2010-055039 · Mar 11, 2010 · national
JP 2010-130463 · Jun 7, 2010 · national
Continuity (2)
Continuation PCTJP2010071398 · Nov 30, 2010
Related Publication 20120237876A1 · Sep 20, 2012