Analysis of Failure Sources in Surface-Micromachined MEMS
ITC '00 Proceedings of the 2000 IEEE International Test Conference
Built-In Self Test of CMOS-MEMS Accelerometers
ITC '02 Proceedings of the 2002 IEEE International Test Conference
Yield Increase of VLSI after Redundancy-Repairing
ATS '01 Proceedings of the 10th Asian Test Symposium
A Dual-Mode Built-In Self-Test Technique for Capacitive MEMS Devices
VTS '04 Proceedings of the 22nd IEEE VLSI Test Symposium
Monte Carlo Statistical Methods (Springer Texts in Statistics)
Monte Carlo Statistical Methods (Springer Texts in Statistics)
Design and Analysis of Self-Repairable MEMS Accelerometer
DFT '05 Proceedings of the 20th IEEE International Symposium on Defect and Fault Tolerance in VLSI Systems
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In this paper, yield analysis for a self-repairable MEMS (SRMEMS) accelerometer design is proposed. The accelerometer consists of (n + m) identical modules: n of them serve as the main device, while the remaining m modules act as the redundancy. The yield model for MEMS redundancy repair is developed by statistical analysis. Based upon the yield model, the yield increase after redundancy repair for different m and n numbers is analyzed. ANSYS Monte Carlo simulation is used to estimate the yield of BISR/non-BISR MEMS devices with random point-stiction defects. The simulation results are in good agreement with the theoretical prediction based on our yield model. The simulation results also show that the SRMEMS leads to effective yield increase compared to non-BISRS design, especially for a moderate initial yield.