The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 19, 2023
Filed:
Aug. 31, 2020
Rohm and Haas Electronic Materials Llc, Marlborough, MA (US);
Joshua Kaitz, Watertown, MA (US);
Sheng Liu, Bow, NH (US);
Li Cui, Westborough, MA (US);
Shintaro Yamada, Shrewsbury, MA (US);
Suzanne M. Coley, Mansfield, MA (US);
Iou-Sheng Ke, Andover, MA (US);
ROHM AND HAAS ELECTRONIC MATERIALS LLC, Marlborough, MA (US);
Abstract
A photoresist underlayer composition, comprising a polymer comprising a repeating unit of formula (1): wherein Ar is a monocyclic or polycyclic Caromatic group, wherein the aromatic group comprises one or more aromatic ring heteroatoms, a substituent group comprising a heteroatom, or a combination thereof; Ris hydrogen, substituted or unsubstituted Calkyl, substituted or unsubstituted Cheteroalkyl, substituted or unsubstituted Ccycloalkyl, substituted or unsubstituted Cheterocycloalkyl, substituted or unsubstituted Calkenyl, substituted or unsubstituted Calkynyl, substituted or unsubstituted Caryl, substituted or unsubstituted Carylalkyl, substituted or unsubstituted Calkylaryl, substituted or unsubstituted Cheteroaryl, or substituted or unsubstituted Cheteroarylalkyl; and Ris substituted or unsubstituted Calkyl, substituted or unsubstituted Cheteroalkyl, substituted or unsubstituted Ccycloalkyl, substituted or unsubstituted Cheterocycloalkyl, substituted or unsubstituted Calkenyl, substituted or unsubstituted Calkynyl, substituted or unsubstituted Caryl, substituted or unsubstituted Carylalkyl, substituted or unsubstituted Calkylaryl, substituted or unsubstituted Cheteroaryl, or substituted or unsubstituted Cheteroarylalkyl, wherein Rand Rcan be optionally taken together to form a ring.