Ni-plated copper or copper alloy material, connector terminal, connector and electronic component using the same

摘要

The present invention provides a Ni-plated copper or copper alloy material having both excellent hardness and excellent bendability.;In the Ni-plated copper or copper alloy material having, an area ratio of a crystal having 001 plane orientation in a crystal plane parallel to a surface of a Ni plating, measured by an electron backscatter diffraction, is 15 to 35%.