Nano Science and Technology Institute
Nanotech 2010 Vol. 2
Nanotech 2010 Vol. 2
Nanotechnology 2010: Electronics, Devices, Fabrication, MEMS, Fluidics and Computational
 
Chapter 5: MEMS Fab: Design, Manufacture, Instrumentation
 

Monolithic CMOS MEMS technology development: A piezoresistive-sensors case study

Authors:A. Chaehoi, D. Weiland, D. O’Connell, S. Bruckshaw, S. Ray, M. Begbie
Affilation:Institute for System Level Integration, UK
Pages:284 - 287
Keywords:MEMS, CMOS, SOI, 3-axis accelerometer, pressure sensor, piezoresistive
Abstract:This paper presents the development of a monolithic CMOS-MEMS platform under the iDesign and SemeMEMS projects with the aim of jointly providing an open access “one-stop-shop” prototyping facility for integrated MEMS. This work addresses the implementation of a 3-axis accelerometer and a pressure sensor using Semefab in-house double-poly single-metal CMOS process on a 380/4/15μm SOI wafer; the membrane and the proof mass being micromachined using double-sided DRIE (Fig.1). This monolithic approach promises, in high volume production and using low complexity processes, a dramatic cost reduction over hybrid sensors. Furthermore, the embedded signal conditioning and the low-noise level in polysilicon gauges enables high performances to be achieved by implementing dedicated on-chip amplification and filtering circuitry.
ISBN:978-1-4398-3402-2
Pages:862
Hardcopy:$189.95
 
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