Copper alloy sheet and method for producing same
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United States of America Patent
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Jun 12, 2018
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Apr 26, 2010
filing date -
Apr 27, 2009
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Abstract
A copper alloy sheet has a chemical composition containing 0.7 to 4.0 wt % of Ni, 0.2 to 1.5 wt % of Si, and the balance being copper and unavoidable impurities, the copper alloy sheet having a crystal orientation which satisfies I{200}/I0{200}≥1.0, assuming that the intensity of X-ray diffraction on the {200} crystal plane on the surface of the copper alloy sheet is I{200} and that the intensity of X-ray diffraction on the {200} crystal plane of the standard powder of pure copper is I0{200}, and which satisfies I{200}/I{422}≥15, assuming that the intensity of X-ray diffraction on the {422} crystal plane on the surface of the copper alloy sheet is I{422}.
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