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:
Jul. 23, 2013
Filed:
Dec. 19, 2005
Applicant:
André Egli, Richterswil, CH;
Inventor:
André Egli, Richterswil, CH;
Assignee:
Rohm and Haas Electronic Materials LLC, Marlborough, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C25D 3/60 (2006.01);
U.S. Cl.
CPC ...
Abstract
Tin and tin alloy deposits which are substantially free of certain crystal planes or equivalents thereof inhibit or prevent whisker formation. The tin or tin alloy deposits which are free of these crystal planes and inhibit or prevent whisker formation may be deposited by electroplating. Tin alloys include tin/copper, tin/nickel, tin/silver, tin/bismuth, tin/zinc and tin/antimony. The tin and tin alloy baths used to deposit the tin and tin alloys may be acidic or alkaline.