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High voltage isolation silicon node wafer saw

机译:高压隔离硅节点晶圆锯

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Texas Instruments' high voltage isolation semiconductor devices enable safe transmission of data and power between high voltage and low voltage circuits in modern electrical systems. The silicon technology for isolation contains higher metallization content in the wafer saw street and therefore, requires the assembly dicing process window to be well characterized to enable robust manufacturing and quality. This paper provides an overview of mechanisms that induce top side and flipside silicon chipping, analyzes the impact of metal density in wafer saw street on chipping severity, and discusses the attributes in mechanical saw process that can be characterized to prevent chipping defects in high volume manufacturing.
机译:德州仪器(TI)的高压隔离半导体器件可在现代电气系统中的高压电路和低压电路之间安全地传输数据和电力。用于隔离的硅技术在晶圆锯条街道中包含较高的金属化含量,因此需要对装配切割工艺窗口进行充分表征,以实现可靠的制造和质量。本文概述了引起顶部和背面硅芯片崩裂的机制,分析了晶圆锯道中金属密度对芯片崩裂严重性的影响,并讨论了机械锯工艺中可以防止大量生产中出现芯片缺陷的属性。 。

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