Metal fusion bonding – Process – Plural joints
Reexamination Certificate
2010-12-02
2011-12-06
Stoner, Kiley (Department: 1735)
Metal fusion bonding
Process
Plural joints
C228S207000, C228S223000, C228S224000, C228S248100, C148S023000, C148S024000
Reexamination Certificate
active
08070045
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 R1, R2, R3and R4are independently selected from a hydrogen, a substituted C1-80alkyl group, an unsubstituted C1-80alkyl group, a substituted C7-80arylalkyl group and an unsubstituted C7-80arylalkyl group; wherein R7and R8are independently selected from a C1-20alkyl group, a substituted C1-20alkyl group, a C6-20aryl group and a substituted C6-20aryl group or wherein R7and R8, together with the carbon to which they are attached, form a C3-20cycloalkyl ring optionally substituted with a C1-6alkyl group; wherein R10and R11are independently selected from a C1-20alkyl group, a substituted C1-20alkyl group, a C6-20aryl group and a substituted C6-20aryl group or wherein R10and R11, together with the carbon to which they are attached, form a C3-20cycloalkyl ring optionally substituted with a C1-6alkyl group; and, wherein R9is selected from a hydrogen, a C1-30alkyl group, a substituted C1-30alkyl group, a C6-30aryl group and a substituted C6-30aryl group; and, optionally, a curing agent. Also provided is a method of soldering an electrical contact using the curable amine flux composition.
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Fleming David D.
Gallagher Mike K.
Ho Kim Sang
Liu Xiang-Qian
Peera Asghar Akber
Deibert Thomas S.
Rohm and Haas Electronic Materials LLC
Stoner Kiley
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