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:
Dec. 05, 2017
Filed:
Sep. 15, 2014
Fujifilm Electronic Materials U.s.a., Inc., N. Kingstown, RI (US);
Thomas Dory, Gilbert, AZ (US);
Bing Du, Gilbert, AZ (US);
Tomonori Takahashi, Gilbert, AZ (US);
Emil A. Kneer, Mesa, AZ (US);
Fujifilm Electronic Materials U.S.A., Inc., N. Kingstown, RI (US);
Abstract
This disclosure relates to a cleaning composition that contains 1) at least one chelating agent, the chelating agent being a polyaminopolycarboxylic acid; 2) at least one organic solvent selected from the group consisting of water soluble alcohols, water soluble ketones, water soluble esters, and water soluble ethers; 3) at least one monocarboxylic acid containing a primary or secondary amino group and at least one additional basic group containing nitrogen; 4) at least one metal corrosion inhibitor, the metal corrosion inhibitor being a substituted or unsubstituted benzotriazole; and 5) water. This disclosure also relates to a method of using the above composition for cleaning a semiconductor substrate.