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. 06, 2011
Filed:
Dec. 02, 2010
David D. Fleming, Northborough, MA (US);
Mike K. Gallagher, Hopkinton, MA (US);
Kim Sang Ho, Richboro, PA (US);
Xiang-qian Liu, Collegeville, PA (US);
Mark R. Winkle, Lansdale, PA (US);
Asghar Akber Peera, Cary Court, IL (US);
Glenn N. Robinson, Naperville, IL (US);
Ian Tomlinson, Midland, MI (US);
David D. Fleming, Northborough, MA (US);
Mike K. Gallagher, Hopkinton, MA (US);
Kim Sang Ho, Richboro, PA (US);
Xiang-Qian Liu, Collegeville, PA (US);
Mark R. Winkle, Lansdale, PA (US);
Asghar Akber Peera, Cary Court, IL (US);
Glenn N. Robinson, Naperville, IL (US);
Ian Tomlinson, Midland, MI (US);
Rohm and Haas Electronic Materials LLC, Marlborough, MA (US);
Abstract
A curable amine flux composition is provided, comprising, as initial components: a resin component having at least two oxirane groups per molecule; an amine fluxing agent represented by formula I: wherein R, R, Rand Rare independently selected from a hydrogen, a substituted Calkyl group, an unsubstituted Calkyl group, a substituted Carylalkyl group and an unsubstituted Carylalkyl group; wherein Rand Rare independently selected from a Calkyl group, a substituted Calkyl group, a Caryl group and a substituted Caryl group or wherein Rand R, together with the carbon to which they are attached, form a Ccycloalkyl ring optionally substituted with a Calkyl group; wherein Rand Rare independently selected from a Calkyl group, a substituted Calkyl group, a Caryl group and a substituted Caryl group or wherein Rand R, together with the carbon to which they are attached, form a Ccycloalkyl ring optionally substituted with a Calkyl group; and, wherein Ris selected from a hydrogen, a Calkyl group, a substituted Calkyl group, a Caryl group and a substituted Caryl group; and, optionally, a curing agent. Also provided is a method of soldering an electrical contact using the curable amine flux composition.