| 摘要 |
PROBLEM TO BE SOLVED: To obtain joint strength sufficiently large to realize wedge bonding by using a gold alloy wire. SOLUTION: This gold alloy wire contains 1 to 100 wt.ppm of calcium(Ca) and 0.2 to 5.0wt.% of at least one kind of paradium(Pd), silver(Ag) and platinum(Pt), and the remaining part is an essential impurity. Its tensile strength is set to 33.0kg/mm<2> or more, and the elongation thereof is 1 set to 3%. Further, it may be added with at least one kind of 1 to 100 wt.ppm out of Mg, Y, La, Eu, Ge, and Be. |
