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:
Nov. 18, 2014
Filed:
Feb. 09, 2012
Applicants:
Inho Lee, Southborough, MA (US);
Elissei Iagodkine, Marlborough, MA (US);
Yi Qin, Marlborough, MA (US);
Yu Luo, Hopewell Junction, NY (US);
Inventors:
Inho Lee, Southborough, MA (US);
Elissei Iagodkine, Marlborough, MA (US);
Yi Qin, Marlborough, MA (US);
Yu Luo, Hopewell Junction, NY (US);
Assignee:
Rohm and Haas Electronic Materials LLC, Marlborough, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D 3/60 (2006.01); C25D 7/12 (2006.01); C25D 3/56 (2006.01); C25D 3/64 (2006.01);
U.S. Cl.
CPC ...
C25D 3/60 (2013.01); C25D 3/56 (2013.01); C25D 7/12 (2013.01); C25D 3/64 (2013.01);
Abstract
Tin-silver alloy electroplating baths having certain amine-oxide surfactants and methods of electrodepositing a tin-silver-containing layer using these baths are disclosed. Such electroplating baths are useful to provide tin-silver solder deposits having reduced void formation and improved within-die uniformity.