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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 8323536 B1

PDFFull Text
Date of Patent:
Dec. 04, 2012

Filed:

May. 16, 2011

Near-infrared absorbing dye, near-infrared absorptive film-forming composition, and near-infrared absorptive film

Applicants:

Masaki Ohashi, Joetsu, JP;

Takeshi Kinsho, Joetsu, JP;

Kazumi Noda, Joetsu, JP;

Seiichiro Tachibana, Joetsu, JP;

Inventors:

Masaki Ohashi, Joetsu, JP;

Takeshi Kinsho, Joetsu, JP;

Kazumi Noda, Joetsu, JP;

Seiichiro Tachibana, Joetsu, JP;

Assignee:

Shin-Etsu Chemical Co., Ltd., Tokyo, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Bijan Ahvazi

Int. Cl.
CPC ...
F21V 9/04 (2006.01); F21V 9/06 (2006.01); G02B 5/22 (2006.01); G02B 5/26 (2006.01); G03C 1/00 (2006.01); G03F 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A near-infrared absorbing dye has an anion of formula (1) wherein Ais H or CF, Ris OH or —OC(═O)—R', and R′ is a monovalent hydrocarbon group. The dye has excellent solvent solubility as well as good optical properties and heat resistance, offering the advantages of easy coating and effective working during film formation. The dye free of heavy metal in its structure is advantageously used in the process of fabricating semiconductor devices.

Find Patent Forward Citations

Ohashi, Masaki. (2012). Near-infrared absorbing dye, near-infrared absorptive film-forming composition, and near-infrared absorptive film (U.S. Patent No. 8323536). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8323536

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