铜线工艺介绍-2012 Nov.pdf

铜线工艺介绍 Copper wire process instruction QRA : Nov.2012 铜线工艺介绍 Copper wire process instruction n铜线封装与金线封装相比的优势 Advantages of Copper wire compared to the Gold wire process n铜线产品业务趋势 Copper wire business development trend n铜线制程的技术难点及解决方案 Copper wire process technical challenges and solutions n铜线产品设计和制造工艺 Copper wire products design and manufacturing process n铜线封装判定主要标准 The main criteria of Copper wire bonding 1 铜线与金线相比的优势 Advantages between copper wire and gold wire n 线封装相比金线封装的优势在哪里？ What s the advantages between copper wire and gold wire? 金线与铜线性能比较 The characteristic comparison table between copper and gold wire 对比类型 铜线 金线 备注 Contrast type Copper wire Gold wire Remark 3-8 金线是铜线的 倍 成本 铜线成本低 The price of gold wire is 3-8 times more expensive than Cost Copper low cost copper 导电率20 铜线导电性更好 5.88 4.55 Conductivity 20 Copper excellent conductiv ity 电阻率20 铜线在相同的线径情况下可承载更大的电流 1.6u /cm 2.3u /cm Resistiv ity 20 The same diam