| 摘要 |
A SOLDER ALLOY IS A TIN-SILVER-COPPER SOLDER ALLOY CONTAINING TIN, SILVER, COPPER, NICKEL, ANTIMONY, BISMUTH, AND INDIUM, AND SUBSTANTIALLY DOES NOT CONTAIN GERMANIUM, WHEREIN RELATIVE TO THE TOTAL AMOUNT OF THE SOLDER ALLOY, THE SILVER CONTENT IS MORE THAN 0.05 MASS% AND LESS THAN 0.2 MASS%, AND THE ANTIMONY CONTENT IS 0.01 MASS% OR MORE AND LESS THAN 2.5 MASS%. |
