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. 15, 2016
Filed:
Sep. 09, 2012
Applicants:
George R. Allardyce, Hinckley, GB;
Gary Hamm, Billerica, MA (US);
Narsmoul Karaya, Dorchester, MA (US);
Inventors:
George R. Allardyce, Hinckley, GB;
Gary Hamm, Billerica, MA (US);
Narsmoul Karaya, Dorchester, MA (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D 21/12 (2006.01); C25D 3/38 (2006.01); C25D 5/54 (2006.01);
U.S. Cl.
CPC ...
C25D 5/54 (2013.01); C25D 3/38 (2013.01);
Abstract
Copper electroplating methods provide low internal stress copper deposits. Concentrations of accelerators in the copper electroplating bath vary as a function of the plating current density and the low internal stress copper deposit is observed as a matt copper deposit.