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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.:

US 11572476 B1

PDFFull Text
Date of Patent:
Feb. 07, 2023

Filed:

Feb. 13, 2020

Anti-reflective coating

Applicant:

Rohm and Haas Electronic Materials Llc, Marlborough, MA (US);

Inventors:

Deyan Wang, Hudson, MA (US);

Sheng Liu, Bow, NH (US);

Assignee:

ROHM AND HAAS ELECTRONIC MATERIALS LLC, Marlborough, MA (US);

Attorney:

Shaorong Chen

Primary Examiner:

Jessica Whiteley

Int. Cl.
CPC ...
C04B 16/08 (2006.01); C08K 7/22 (2006.01); C08F 2/46 (2006.01); C08F 2/50 (2006.01); C08G 61/04 (2006.01); C09D 5/00 (2006.01); C08K 7/26 (2006.01); C08L 83/04 (2006.01); C08L 47/00 (2006.01); C08G 18/73 (2006.01); C08G 18/76 (2006.01); C08G 77/385 (2006.01); C08K 5/1515 (2006.01); C08K 5/095 (2006.01); C08F 220/18 (2006.01); C08K 5/05 (2006.01); C08K 5/06 (2006.01); C08K 5/07 (2006.01); C08K 3/36 (2006.01);
U.S. Cl.
CPC ...
C09D 5/006 (2013.01); C08F 2/50 (2013.01); C08F 220/18 (2013.01); C08G 18/73 (2013.01); C08G 18/7621 (2013.01); C08G 77/385 (2013.01); C08K 3/36 (2013.01); C08K 5/05 (2013.01); C08K 5/06 (2013.01); C08K 5/07 (2013.01); C08K 5/095 (2013.01); C08K 5/1515 (2013.01); C08K 7/26 (2013.01); C08L 47/00 (2013.01); C08L 83/04 (2013.01); C08K 2201/005 (2013.01); C08L 2203/16 (2013.01); C08L 2312/06 (2013.01);
Abstract

There is provided a curable composition for forming an anti-reflective film. The composition includes: (a) hollow silica nanoparticles; (b) a siloxane binder having reactive groups; (c) at least one additional material having reactive groups; (d) an initiator; and (e) solvent. The siloxane binder is present in an amount that is at least 50% by weight of the total weight of (siloxane binder+additional materials having reactive groups). The weight ratio of hollow silica nanoparticles to the total of (siloxane binder+additional materials having reactive groups) is no greater than 1.75 to 1.

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