Multi Heat-Sink CMOS-BEOL Integrated MEMS Pirani Gauge for Vacuum Detection in Packaged Microsensors

Manu Garg, Fang Wei Tsai, Sushil Kumar, Yi Chiu*, Pushpapraj Singh

*此作品的通信作者

研究成果: Conference contribution同行評審

摘要

A multi-heat sink based MEMS Pirani gauge integrated in the back-end-of-line (BEOL) CMOS layers is designed and developed. The sandwiched heater line (SiO2/M2/SiO2) is designed in a meander configuration for improved heating efficiency. Multi heat-sink based design offers improved sensitivity and the thinner heater line offers reduced solid conduction losses and a lower detection limit. In a fully monolithically integrable process, the given gauge can be employed to detect vacuum levels from 4.6 Pa to 106 Pa. Experimental results agree with the simulated response with a maximum error of 0.16 %. Moreover, the successive measurements on the same device show a maximum error of 0.026 %, thereby indicating excellent repeatability.

原文English
主出版物標題2023 22nd International Conference on Solid-State Sensors, Actuators and Microsystems, Transducers 2023
發行者Institute of Electrical and Electronics Engineers Inc.
頁面2173-2176
頁數4
ISBN(電子)9784886864352
出版狀態Published - 2023
事件22nd International Conference on Solid-State Sensors, Actuators and Microsystems, Transducers 2023 - Kyoto, 日本
持續時間: 25 6月 202329 6月 2023

出版系列

名字2023 22nd International Conference on Solid-State Sensors, Actuators and Microsystems, Transducers 2023

Conference

Conference22nd International Conference on Solid-State Sensors, Actuators and Microsystems, Transducers 2023
國家/地區日本
城市Kyoto
期間25/06/2329/06/23

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