摘要：【中文】本发明公开了一种金银合金丝的制备方法，包括以下步骤：（1）称取原料、（2）两次熔铸、（3）拉丝、（4）清洗并中间退火、（5）镀金、（6）二次拉丝、（7）热处理、（8）复绕，本发明中在生产金属棒材过程中通过二次熔铸，可使金银两种金属混合更均匀，解决了传统键合金丝成本过高，金银合金丝混合不均匀，可拉性不好的诸多问题，使产品性能更稳定，更利于后续的生产加工，大大提高生产效率；利用真空离子镀的方法，给金银合金丝表面镀金，节黄金金属材料，降低产品成本，无环境污染；这样生产的金银合金键合丝性能指标优于市场中含金80%的金银合金键合丝，大大降低了键合丝的成本。 【EN】The invention discloses a preparation method of gold-silver alloy wires, which comprises the following steps: (1) weighing raw materials, (2) casting twice, (3) drawing, (4) cleaning and intermediate annealing, (5) plating gold, (6) drawing twice, (7) heat treatment and (8) rewinding, wherein in the process of producing metal bars, the two metals of gold and silver can be mixed more uniformly by casting twice, so that the problems of overhigh cost, nonuniform mixing of gold and silver alloy wires and poor drawability of the traditional bonding gold wire are solved, the product performance is more stable, the subsequent production and processing are facilitated, and the production efficiency is greatly improved; the gold-silver alloy wire is plated with gold on the surface by a vacuum ion plating method, so that a gold metal material is saved, the product cost is reduced, and no environmental pollution is caused; the performance index of the gold-silver alloy bonding wire produced in the way is superior to that of a gold-silver alloy bonding wire containing 80% of gold in the market, and the cost of the bonding wire is greatly reduced.