Applications应用
• Wafer Thickness and TTV硅片厚度和TTV
• Topography构状
• Strained wafers已变形的硅片
• Profile depth轮廓深度
• Measurement of Tape胶带测量
• Warp翘曲
• Bump Height凸起高度
• Ultra Fast Measurements超快速测量
Warp and Dam Thickness?翘曲和坝厚度
Dam Thickness坝厚度
Warp翘曲
Measurement of Wafer Topography硅片图形测量
• wafer topography and thickness using EchoprobeTechnology.
硅片图形和厚度用回射探针技术
• Values on iso-lines are expressed inμm Wafer is concave in the middle.
iso线的测量值是以um表示的,硅片中间是凹的
Measurement of Profile Depth轮廓厚度测量
High Aspect Ratio: Challenge for Traditional
Microscopy高纵横比:象传统的显微镜法挑战
Measurement of Profile Depth轮廓厚度测量
(a) Structure of deeply etched silicon sample, and three surfaces contributing to reflection (aspect ratio >20)深度刻蚀硅样结构,三个表面反射(纵横比>20)
(b) Interferogram corresponding to (a)干涉图与(a)一致