Birch, Stewart, Kolasch & Birch, LLP
Copper alloy suitable for an IC lead pin for a pin grid array provided on a plastic substrate
A copper alloy suitable for an IC lead pin for a pin grid array provided on a plastic substrate, which copper alloy is a Cu—Zn—Mg alloy, a Cu—Sn alloy, a Cu—SN—Ag alloy, a Cu—Fe—Zn—P alloy, or a Cu—Cr alloy, each having a given alloy composition, in which the copper alloy has conductivity of 50% IACS or more and tensile stress of 400 MPa to 650 MPa.
The Furukawa Electric Co., Ltd.
C C C H H
C22C C22C C22C H01L H01L
inventional inventional inventional additional inventional
Tsutomu Isao Takashi
Saito Takahashi Miyoshi