A Real-Time In Situ Wafer Temperature Measurement System Based on Fiber Bragg Grating Array
Yuhao Feng,
Jingjing Peng,
Tao Wu
et al.
Abstract:Temperature is an essential parameter in the siliconbased MEMS fabrication process, and the uneven temperature distribution on a wafer surface could significantly impact the whole fabrication process. This research aims to observe the wire bonding system's heating process from 30 ℃ to 110 ℃ . A temperature sensor network consisting of multiple fiber Bragg gratings (FBG) is proposed for real-time wafer surface temperature monitoring. The temperature points measured by FBG sensors are used to construct the tempe… Show more
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