Electricity: conductors and insulators – Conduits – cables or conductors – Insulated
Reexamination Certificate
2011-08-16
2011-08-16
Nguyen, Chau N (Department: 2835)
Electricity: conductors and insulators
Conduits, cables or conductors
Insulated
C174S126200
Reexamination Certificate
active
07999187
ABSTRACT:
Disclosed is a plated flat conductor including a flat conductor of copper or a copper alloy and a plated layer formed on a surface of the flat conductor. The plated layer includes a first intermetallic compound layer of Cu3Sn disposed on the surface of the flat conductor, a second intermetallic compound layer of Cu6Sn5formed on the first intermetallic compound, and a superficial layer formed on the second intermetallic compound layer. The superficial layer is plating material of pure tin or a tin alloy and has an average thickness from about 0.3 μm to 1.0 μm and a maximum thickness of about 1.0 μm or less. A volume ratio of the second intermetallic compound layer to the first intermetallic compound layer is about 1.5 or more.
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Isobe Yoshiyasu
Naoe Kunihiro
Fujikura Ltd.
Nguyen Chau N
Sughrue & Mion, PLLC
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