IP Library Granted Patent US 11,567,408
Granted Patent B2
US 11,567,408 · App. 16/653,659 · Granted Jan 31, 2023

Coating composition for use with an overcoated photoresist

Inventors: Hye-Won Lee (Cheonan-si, KR); Min Kyung Jang (Cheonan-si, KR); Soo Jung Leem (Cheonan-si, KR); Jae Hwan Sim (Cheonan-si, KR); Emad Aqad (Northborough, MA)
Assignees: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.; ROHM AND HAAS ELECTRONIC MATERIALS LLC
G03F7/11C08F220/34C08F226/06C08G73/024C09D5/006C09D133/14C09D139/08C09D179/02G03F7/091G03F7/094
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Quick Facts
Patent No.
US 11,567,408
App. No.
16/653,659
Granted
Jan 31, 2023
Kind
B2
Abstract

A method for forming a photoresist relief image including applying a layer of a coating composition on a substrate; and disposing a layer of a photoresist composition on the layer of the coating composition, wherein the coating composition comprises an amine-containing polymer comprising a hydrocarbon-substituted amino group and having nitrogen atoms in an amount from 3 to 47 weight percent, based on a total weight of the amine-containing polymer.

Claims (78)

1. A method for forming a photoresist relief image, the method comprising:

applying a layer of a coating composition on a substrate; and

disposing a layer of a photoresist composition on the layer of the coating composition,

wherein the coating composition comprises an amine-containing polymer comprising a hydrocarbon-substituted amino group and having nitrogen atoms in an amount from 3 to 47 weight percent, based on a total weight of the amine-containing polymer,

wherein the amine-containing polymer comprises a repeating structural unit represented by at least one of Formulae (1) or (2):

wherein, in Formulae (1) and (2),

R 1 to R 3 are each independently hydrogen, a substituted or unsubstituted C 1-10 alkyl group, a substituted or unsubstituted C 3-10 cycloalkyl group, or a substituted or unsubstituted C 6-20 aryl group;

L 1 is a substituted or unsubstituted C 1-30 alkylene group, a substituted or unsubstituted C 2-30 alkenylene group, a substituted or unsubstituted C 1-30 heteroalkene group, a substituted or unsubstituted C 3-7 heterocycloalkylene group, a substituted or unsubstituted C 6-30 arylene group, a substituted or unsubstituted C 3-30 heteroarylene group, —O—, —C(═O)O—, —O(C═O)—, —CONR b —, or —OC(═O)NR b —;

L 2 is a single bond, a substituted or unsubstituted C 1-30 alkylene group, a substituted or unsubstituted C 2-30 alkenylene group, a substituted or unsubstituted C 1-30 heteroalkene group, a substituted or unsubstituted C 3-7 heterocycloalkylene group, a substituted or unsubstituted C 6-30 arylene group, a substituted or unsubstituted C 3-30 heteroarylene group, —(C(R c )═N—(C 2-3 )alkylene) n -, —(NR b —(C 2-3 )alkylene) n —, or —(O—(C 2-3 alkylene) n -;

X 1 is —N(R b ) 2 or a substituted or unsubstituted nitrogen-containing monocyclic, polycyclic, or fused polycyclic C 2-7 heterocycloalkyl group or C 3-30 heteroaryl group;

X 2 is —C(R c )═NR b , —N═C(R c ) 2 , —(NR b —(C 2-3 )alkylene) n -N(R b ) 2 , —(O—(C 2-3 )alkylene) n -N(R b ) 2 , or a substituted or unsubstituted nitrogen-containing monocyclic, polycyclic, or fused polycyclic C 2-7 heterocycloalkyl group or C 3-30 heteroaryl group;

each R b is independently hydrogen, a substituted or unsubstituted C 1-30 alkyl group, a substituted or unsubstituted polycyclic or monocyclic C 3-30 cycloalkyl group, or a substituted or unsubstituted polycyclic or monocyclic C 6-30 aryl group;

each R c is independently hydrogen, a halogen, a cyano group, a nitro group, an amino group, a substituted or unsubstituted C 1-30 alkyl group, a substituted or unsubstituted C 2-30 alkenyl group, a substituted or unsubstituted C 2-30 alkynyl group, a substituted or unsubstituted C 1-30 alkoxy group, a substituted or unsubstituted C 3-30 cycloalkyl group, a substituted or unsubstituted C 3-30 cycloalkenyl group, a substituted or unsubstituted C 6-30 aryl group, a substituted or unsubstituted C 6-30 aryloxy group, a substituted or unsubstituted C 6-30 arylthio group, or a substituted or unsubstituted C 7-30 arylalkyl group; and

each n is independently an integer from 1 to 20.

2. The method of claim 1 , further comprising

disposing an additional layer directly on the layer of the coating composition; and

disposing the layer of the photoresist composition directly on the additional layer,

wherein the additional layer comprises at least one of a hardmask layer, a silicon-containing layer, or organic layer.

3. The method of claim 1 , wherein in Formulae (1) and (2),

R 1 to R 3 are hydrogen;

L 1 is a C 6-30 arylene group, —C(═O)O—, or —CONR b —;

L 2 is single bond, a C 1-10 alkylene group, a C 2-10 alkenylene group, a C 1-20 heteroalkene group, a C 3-7 heterocycloalkylene group, a C 6-12 arylene group, a C 3-12 heteroarylene group, —(C(R c )═N—(C 2-3 )alkylene) n -, —(NR b —(C 2-3 )alkylene) n -, or —(O—(C 2-3 )alkylene) n -;

X 1 is a substituted or unsubstituted nitrogen-containing monocyclic C 2-7 heterocycloalkyl group or C 3-30 heteroaryl group;

X 2 is —C(R c )═NR b , —N═C(R c ) 2 , —(NR b —(C 2-3 )alkylene) n -N(R b ) 2 , —(O—(C 2-3 )alkylene n -N(R b ) 2 , or a substituted or unsubstituted nitrogen-containing monocyclic C 2-7 heterocycloalkyl group or C 3-30 heteroaryl group;

each R b is independently hydrogen, a substituted or unsubstituted C 1-10 alkyl group, a substituted or unsubstituted polycyclic or monocyclic C 3-10 cycloalkyl group, or a substituted or unsubstituted polycyclic or monocyclic C 6-12 aryl group;

each R c is independently hydrogen, a halogen, a substituted or unsubstituted C 1-10 alkyl group, a substituted or unsubstituted C 2-10 alkenyl group, a substituted or unsubstituted C 2-10 alkynyl group, a substituted or unsubstituted C 1-10 alkoxy group, a substituted or unsubstituted C 3-10 cycloalkyl group, a substituted or unsubstituted C 3-10 cycloalkenyl group, a substituted or unsubstituted C 6-12 aryl group, a substituted or unsubstituted C 6-12 aryloxy group, a substituted or unsubstituted C 6-12 arylthio group, or a substituted or unsubstituted C 7-10 arylalkyl group; and

each n is independently an integer from 1 to 5.

4. The method of claim 1 , wherein the amine-containing polymer has a weight average molecular weight from 1,000 to 100,000 grams per mole, as determined by gel permeation chromatography.

5. The method of claim 1 , wherein the coating composition further comprises a crosslinking agent.

6. The method of claim 1 , wherein the coating composition further comprises a thermal acid generator or a thermal base generator.

7. A method for forming a photoresist relief image, the method comprising:

applying a layer of a coating composition on a substrate; and

disposing a layer of a photoresist composition on the layer of the coating composition,

wherein the coating composition comprises an amine-containing polymer comprising a hydrocarbon-substituted amino group and having nitrogen atoms in an amount from 3 to 47 weight percent, based on a total weight of the amine-containing polymer,

wherein the amine-containing polymer comprises a repeating structural unit represented by at least one of Formulae (3) or (4):

wherein, in Formulae (3) and (4),

R 1 and R 2 are each independently hydrogen, a substituted or unsubstituted C 1-10 alkyl group, a substituted or unsubstituted C 3-10 cycloalkyl group, or a substituted or unsubstituted C 6-20 aryl group;

Q 2 is a substituted or unsubstituted aliphatic group, a substituted or unsubstituted cycloaliphatic group, a substituted or unsubstituted aromatic group, a substituted or unsubstituted heteroaromatic group, and combinations thereof, optionally with one or more linking moiety chosen from —O—, —N(R b )—, —COO—, —CONR b —, —CONR b —, and —OCONR b —, and wherein Q 2 is optionally a branching group connected to at least two repeat units represented by Formula (3);

Ar is a substituted or unsubstituted C 6-18 arylene group or a substituted or unsubstituted C 3-18 heteroarylene group;

X 3 is a substituted or unsubstituted nitrogen-containing monocyclic, polycyclic, or fused polycyclic C 2-7 heterocycloalkyl group or C 3-30 heteroaryl group;

R a is hydrogen or a substituted or unsubstituted C 1-30 alkyl group; and

each R b is independently hydrogen, a substituted or unsubstituted C 1-30 alkyl group, a substituted or unsubstituted polycyclic or monocyclic C 3-30 cycloalkyl group, or a substituted or unsubstituted polycyclic or monocyclic C 6-30 aryl group.

8. The method of claim 7 , wherein in Formulae (3) and (4),

R 1 and R 2 are hydrogen;

Q 2 is a substituted or unsubstituted aliphatic group, a substituted or unsubstituted cycloaliphatic group, a substituted or unsubstituted aromatic group, a substituted or unsubstituted heteroaromatic group, and combinations thereof, optionally with one or more linking moiety chosen from —O—, —N(R b )—, —COO—, —CONR b —, —CONR b —, and —OCONR b —;

Ar is a substituted or unsubstituted phenylene group;

R a is hydrogen; and

each R b is independently hydrogen, a substituted or unsubstituted C 1-10 alkyl group, a substituted or unsubstituted polycyclic or monocyclic C 3-10 cycloalkyl group, or a substituted or unsubstituted polycyclic or monocyclic C 6-12 aryl group.

9. The method of claim 7 , further comprising:

disposing an additional layer directly on the layer of the coating composition; and

disposing the layer of the photoresist composition directly on the additional layer,

wherein the additional layer comprises at least one of a hardmask layer, a silicon-containing layer, or organic layer.

10. The method of claim 7 , wherein the amine-containing polymer has a weight average molecular weight from 1,000 to 100,000 grams per mole, as determined by gel permeation chromatography.

11. The method of claim 7 , wherein the coating composition further comprises a crosslinking agent.

12. The method of claim 7 , wherein the coating composition further comprises a thermal acid generator or a thermal base generator.

13. A coating composition for use with an overcoated photoresist composition, the coating composition comprising an amine-containing polymer comprising a hydrocarbon-substituted amino group and having nitrogen atoms in an amount from 3 to 47 weight percent, based on a total weight of the amine-containing polymer,

wherein the amine-containing polymer comprises a repeating structural unit represented by at least one of Formulae (1) or (2):

wherein, in Formulae (1) and (2),

R 1 to R 3 are each independently hydrogen, a substituted or unsubstituted C 1-10 alkyl group, a substituted or unsubstituted C 3-10 cycloalkyl group, or a substituted or unsubstituted C 6-20 aryl group;

L 1 is a substituted or unsubstituted C 1-30 alkylene group, a substituted or unsubstituted C 2-30 alkenylene group, a substituted or unsubstituted C 1-30 heteroalkene group, a substituted or unsubstituted C 3-7 heterocycloalkylene group, a substituted or unsubstituted C 6-30 arylene group, a substituted or unsubstituted C 3-30 heteroarylene group, —O—, —C(═O)O—, —O(C═O)—, —CONR b —, or —OC(═O)NR b —;

L 2 is a single bond, a substituted or unsubstituted C 1-30 alkylene group, a substituted or unsubstituted C 2-30 alkenylene group, a substituted or unsubstituted C 1-30 heteroalkene group, a substituted or unsubstituted C 3-7 heterocycloalkylene group, a substituted or unsubstituted C 6-30 arylene group, a substituted or unsubstituted C 3-30 heteroarylene group, —(C(R c )═N—(C 2-3 )alkylene) n -, —(NR b —(C 2-3 )alkylene) n -, or —(O—(C 2-3 )alkylene) n -;

X 1 is —N(R b ) 2 or a substituted or unsubstituted nitrogen-containing monocyclic, polycyclic, or fused polycyclic C 2-7 heterocycloalkyl group or C 3-30 heteroaryl group;

X 2 is —C(R c )═NR b , —N═C(R c ) 2 , —(NR b —(C 2-3 )alkylene) n -N(R b ) 2 , —(O—(C 2-3 )alkylene) n -N(R b ) 2 , or a substituted or unsubstituted nitrogen-containing monocyclic, polycyclic, or fused polycyclic C 2-7 heterocycloalkyl group or C 3-30 heteroaryl group;

each R b is independently hydrogen, a substituted or unsubstituted C 1-30 alkyl group, a substituted or unsubstituted polycyclic or monocyclic C 3-30 cycloalkyl group, or a substituted or unsubstituted polycyclic or monocyclic C 6-30 aryl group;

each R c is independently hydrogen, a halogen, a cyano group, a nitro group, an amino group, a substituted or unsubstituted C 1-30 alkyl group, a substituted or unsubstituted C 2-30 alkenyl group, a substituted or unsubstituted C 2-30 alkynyl group, a substituted or unsubstituted C 1-30 alkoxy group, a substituted or unsubstituted C 3-30 cycloalkyl group, a substituted or unsubstituted C 3-30 cycloalkenyl group, a substituted or unsubstituted C 6-30 aryl group, a substituted or unsubstituted C 6-30 aryloxy group, a substituted or unsubstituted C 6-30 arylthio group, or a substituted or unsubstituted C 7-30 arylalkyl group; and

each n is independently an integer from 1 to 20.

14. A coated substrate, comprising:

a layer of the coating composition of claim 13 disposed on a substrate; and

a layer of a photoresist composition disposed on the layer of the coating composition.

15. A coating composition for use with an overcoated photoresist composition, the coating composition comprising an amine-containing polymer comprising a hydrocarbon-substituted amino group and having nitrogen atoms in an amount from 3 to 47 weight percent, based on a total weight of the amine-containing polymer,

wherein the amine-containing polymer comprises a repeating structural unit represented by at least one of Formulae (3) or (4):

wherein, in Formulae (3) and (4),

R 1 and R 2 are each independently hydrogen, a substituted or unsubstituted C 1-10 alkyl group, a substituted or unsubstituted C 3-10 cycloalkyl group, or a substituted or unsubstituted C 6-20 aryl group;

Q 2 is a substituted or unsubstituted aliphatic group, a substituted or unsubstituted cycloaliphatic group, a substituted or unsubstituted aromatic group, a substituted or unsubstituted heteroaromatic group, and combinations thereof, optionally with one or more linking moiety chosen from —O—, —N(R b )—, —COO—, —CONR b —, —CONR b —, and —OCONR b —, and wherein Q 2 is optionally a branching group connected to at least two repeat units represented by Formula (3);

Ar is a substituted or unsubstituted C 6-18 arylene group or a substituted or unsubstituted C 3-18 heteroarylene group;

X 3 is —N(R b ) 2 or a substituted or unsubstituted nitrogen-containing monocyclic, polycyclic, or fused polycyclic C 2-7 heterocycloalkyl group or C 3-30 heteroaryl group;

R a is hydrogen or a substituted or unsubstituted C 1-30 alkyl group; and

each R b is independently hydrogen, a substituted or unsubstituted C 1-30 alkyl group, a substituted or unsubstituted polycyclic or monocyclic C 3-30 cycloalkyl group, or a substituted or unsubstituted polycyclic or monocyclic C 6-30 aryl group.

Assignments (6)
SECURITY INTEREST Recorded Nov 3, 2025
From: QNITY ELECTRONICS, INC.
To: JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT
Reel/Frame 073515/0243 →
SECURITY INTEREST Recorded Nov 3, 2025
From: QNITY ELECTRONICS, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS NOTES COLLATERAL AGENT
Reel/Frame 073517/0298 →
CHANGE OF NAME Recorded Oct 29, 2024
From: ROHM & HAAS ELECTRONIC MATERIALS LLC
To: DUPONT ELECTRONIC MATERIALS INTERNATIONAL, LLC
Reel/Frame 069272/0383 →
CHANGE OF NAME Recorded Oct 17, 2024
From: ROHM & HAAS ELECTRONIC MATERIALS KOREA LTD
To: DUPONT SPECIALTY MATERIALS KOREA LTD
Reel/Frame 069185/0438 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 16, 2020
From: AQAD, EMAD
To: ROHM AND HAAS ELECTRONIC MATERIALS LLC
Reel/Frame 053226/0815 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 7, 2019
From: LEE, HYE-WON; JANG, MIN KYUNG; LEEM, SOO JUNG; SIM, JAE HWAN
To: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
Reel/Frame 050947/0018 →