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:
May. 22, 2012
Filed:
Sep. 26, 2006
Eiji Hino, Kitaibaraki, JP;
Masashi Kumagai, Kitaibaraki, JP;
Eiji Hino, Kitaibaraki, JP;
Masashi Kumagai, Kitaibaraki, JP;
Nippon Mining & Metals Co., Ltd., Minato-Ku, Tokyo, JP;
Abstract
An electroless nickel plating liquid capable of forming an underbarrier metal for metal bumps or solder bumps by electroless nickel plating with a uniform film thickness on silicon wafers composed of multiple IC chips contains a water-soluble nickel salt, a reducing agent, a complexing agent, and a pH buffer, wherein_lead ion is contained at 0.01-1 ppm, cobalt ion is contained at 0.01-1 ppm, and a sulfur compound is contained at 0.01-1 ppm.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile