Patent ID: 9373425
Filing Date: 2016-06-21
CPC Classification: C22C,C22F,H01B,H05K,Y10T

Claim Text:
1. A copper alloy sheet comprising not less than one type of element selected from the group consisting of Ag, Cr, Fe, In, Ni, P, Si, Sn, Ti, Zn, and Zr, amounting to a total of not less than 0.01% by mass, no more than 1.0% by mass of Ag, no more than of 0.08% by mass of Ti, no more than 2.0% by mass of Ni, no more than 3.5% by mass of Zn, not less than one type of element selected from the group of Cr, Fe, In, P, Si, Sn, and Zr, amounting to a total of no more than of 0.5% by mass, and the remainder of Cu and impurities, said copper alloy sheet having an electrical conductivity of not less than 60% IACS, having a tensile strength of not less than 350 MPa, and satisfying the relation defined by the following formula of I(311)/I