Materials selection approaches and fabrication methods in RF MEMS switches

Kurmendra, R Kumar - Journal of Electronic Materials, 2021 - Springer
A state of the art review on Radio Frequency Micro-Electromechanical Systems (RF MEMS)
capacitive switches is reported by considering two key aspects:(1) materials selection …

CMOS-MEMS vibro-impact devices and applications

CP Tsai, WC Li - Frontiers in Mechanical Engineering, 2022 - frontiersin.org
CMOS-MEMS-based vibro-impact devices that utilize impact-induced nonlinear dynamics
have been shown to yield unique and unprecedented functionalities with on-chip integration …

Activating internal resonance in a microelectromechanical system by inducing impacts

L Ruzziconi, N Jaber, L Kosuru, MI Younis - Nonlinear Dynamics, 2022 - Springer
As natural frequencies become commensurate, internal (autoparametric) resonances
involving the corresponding modes may arise. This phenomenon has been recently …

A CMOS-integrated MEMS platform for frequency stable resonators-Part I: Fabrication, implementation, and characterization

CY Chen, MH Li, AA Zope, SS Li - Journal of …, 2019 - ieeexplore.ieee.org
This paper introduces the comprehensive design concepts, procedure, and post-process
flow of a robust manufacturing platform for complementary metal-oxide-semiconductor …

A 125-kHz CMOS-MEMS resoswitch embedded zero quiescent power OOK/FSK receiver

CP Tsai, YY Liao, WC Li - 2020 IEEE 33rd International …, 2020 - ieeexplore.ieee.org
This paper demonstrates a 125-kHz micromechanical resoswitch-embedded zero quiescent
power OOK/FSK communication receiver based on a CMOS-MEMS fabrication platform for …

A CMOS-MEMS ultrasensitive thermometer using internal resonance iuduced frequency combs

TY Chen, CP Tsai, WC Li - 2023 IEEE 36th International …, 2023 - ieeexplore.ieee.org
This work demonstrates a CMOS-MEMS resonant thermometer with a temperature
coefficient of frequency (TCF) as high as 59.2× compared to that of a regular resonator …

Vibration mode suppression in micromechanical resonators using embedded anti-resonating structures

JR Liu, CP Tsai, WR Du, TY Chen… - Journal of …, 2021 - ieeexplore.ieee.org
This paper presents a technique for suppressing specific resonance modes of
micromechanical resonators by mechanical means. In particular, attaching multiple …

1: 6 internal resonance in CMOS-MEMS multiple-stepped CC-beam resonators

TY Chen, CP Tsai, WC Li - 2022 IEEE 35th International …, 2022 - ieeexplore.ieee.org
This work demonstrates, for the first time, internal resonance with a ratio as high as 1: 6 in
micromechanical CC-beam resonators. Particularly, multiple-stepped beams, similar to that …

Surface condition influence on the nonlinear response of MEMS CC-beam resoswitches

SC Lu, CP Tsai, YC Huang, WR Du… - IEEE Electron Device …, 2018 - ieeexplore.ieee.org
This letter characterizes the effect of surface conditions on the nonlinear responses of
micromechanical resonant switches (aka “resoswitches”). In particular, a CMOS-MEMS …

A micromechanical frequency controlled pulse density modulator

CP Tsai, WC Li - 2022 IEEE 35th International Conference on …, 2022 - ieeexplore.ieee.org
This work demonstrates, for the first time, frequency-to-pulse density modulation (PDM)
functionality in micromechanical resoswitches based on the period doubling bifurcation …