Rohm & Haas Electronic Materials LLC

Mike K Gallagher

Kim Sang Ho

Mark Robert Winkle

David Fleming

Xiang-Qian Liu

Ian A Tomlinson

Asghar Akber Peera

Glenn Nelson Robinson

An amine flux composition is provided, comprising, as an initial component: 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. Also provided is a method of soldering an electrical contact using the amine flux composition.

Amine flux composition and method of soldering

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.

Curable amine flux composition and method of soldering

A curable flux composition is provided, comprising, as initial components: a resin component having at least two oxirane groups per molecule; a 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; and wherein zero to three of R, R, Rand Ris(are) hydrogen; and, optionally, a curing agent. Also provided is a method of soldering an electrical contact using the curable flux composition.

Curable flux composition and method of soldering

A flux composition is provided, comprising, as an initial component: a 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; and wherein zero to three of R, R, Rand Ris(are) hydrogen. Also provided is a method of soldering an electrical contact using the flux composition.

Flux composition and method of soldering

A polyamine flux composition is provided, comprising, as an initial component: a polyamine 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 Rcomprises at least two tertiary carbons and is selected from an unsubstituted Calkyl group, a substituted Calkyl group, an unsubstituted Carylalkyl group and a substituted Carylalkyl group; and, wherein the two nitrogens shown in formula I are each separately bound to one of the at least two tertiary carbons of R; with the proviso that when the polyamine fluxing agent of formula I is represented by formula Ia: then zero to three of R, R, Rand Ris(are) hydrogen. Also provided is a method of soldering an electrical contact using the polyamine flux composition.

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Hopkinton, MA, United States of America

Mike K Gallagher