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GOLD ALLOY WIRE FOR BONDING WIRE HAVING HIGH INITIAL BONDABILITY, HIGH BONDING RELIABILITY, HIGH ROUNDNESS OF COMPRESSION BALL, HIGH STRAIGHTNESS, AND HIGH RESIN FLOWABILITY RESISTANCE
GOLD ALLOY WIRE FOR BONDING WIRE HAVING HIGH INITIAL BONDABILITY, HIGH BONDING RELIABILITY, HIGH ROUNDNESS OF COMPRESSION BALL, HIGH STRAIGHTNESS, AND HIGH RESIN FLOWABILITY RESISTANCE
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机译:具有高初始粘合性,高粘合可靠性,高压缩球圆度,高直度和高树脂耐流动性的金线合金线
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摘要
There is provided a gold alloy wire for a bonding wire having high initial bonding ability, high bonding reliability, high roundness of a compression ball, high straightness, and high resin flowability resistance. The gold alloy wire for a bonding wire comprises one kind or two kinds of Pt and Pd of 1000 to less than 5000 ppm in total, Ir: 1 to 200 ppm, Ca: 20 to 100 ppm, Eu: 10 to 100 ppm, Be: 0.1 to 20 ppm, if necessary, and La: 10 to 100 ppm, if necessary. The total amount of at least two kinds of Ca, Eu, Be, and La is in a range of 50 to 250 ppm.
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