Electricity: conductors and insulators – Anti-inductive structures – Conductor transposition
Reexamination Certificate
2006-12-19
2009-06-09
Mayo, III, William H (Department: 2831)
Electricity: conductors and insulators
Anti-inductive structures
Conductor transposition
C174S028000, C174S11000P, C174S1130AS
Reexamination Certificate
active
07544886
ABSTRACT:
An extra-fine copper alloy wire has: a wire diameter of 0.010 to 0.025 mm; 1 to 3 weight % of silver (Ag), and a balance consisting copper (Co) and an inevitable impurity; a tensile strength of not less than 850 MPa; an electrical conductivity of not less than 85% IACS; an elongation of 0.5 to 3.0%; and a lowering rate in tensile strength of not more than 2%. The lowering rate is represented by [(1−σh1/σh0)×100%] where σh1is a tensile strength of the wire measured after a heat treatment under conditions of a heating temperature of not more than 350° C. and a heating time of not more than 5 seconds, and σh0is a tensile strength of the wire measured before the heat treatment.
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Detian Huang
Kuroda Hiromitsu
Masui Shinichi
Matsui Hakaru
Nakagawa Ryuji
Hitachi Cable Ltd.
Mayo, III William H
Scully , Scott, Murphy & Presser, P.C.
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