Results 31 to 40 of about 1,106 (198)

Large Out-of-Plane Deflection MEMS Actuators for Optical Applications

open access: yesProceedings, 2018
The design and fabrication of an electrothermal MEMS actuation structure which is capable of producing large out-of-plane deflection is presented. The actuators are used to move a 1 mm2 mirror structure, where the large deflection allows one to achieve ...
David Torres   +2 more
doaj   +1 more source

Aluminum Nitride Out-of-Plane Piezoelectric MEMS Actuators

open access: yesMicromachines, 2023
Integrating microelectromechanical systems (MEMS) actuators with low-loss suspended silicon nitride waveguides enables the precise alignment of these waveguides to other photonic integrated circuits (PICs).
Almur A. S. Rabih   +3 more
doaj   +1 more source

A miniaturized polymer-based bimorph actuator with self-sensing capability

open access: yesAIP Advances, 2021
Soft actuators have recently attracted great attention in the fields of soft robots, artificial muscles, and biomimetic devices. As the size is reduced to sub-centimeter scale, most soft actuators only possess actuation capabilities without integrated ...
Huey Shy Tan   +4 more
doaj   +1 more source

A Review of Actuation and Sensing Mechanisms in MEMS-Based Sensor Devices

open access: yesNanoscale Research Letters, 2021
Over the last couple of decades, the advancement in Microelectromechanical System (MEMS) devices is highly demanded for integrating the economically miniaturized sensors with fabricating technology.
Abdullah Saleh Algamili   +6 more
doaj   +1 more source

Stability Study of an Electrothermally-Actuated MEMS Mirror with Al/SiO2 Bimorphs

open access: yesMicromachines, 2019
Electrothermal actuation is one of the main actuation mechanisms and has been employed to make scanning microelectromechanical systems (MEMS) mirrors with large scan range, high fill factor, and low driving voltage, but there exist long-term drifting ...
Peng Wang   +5 more
doaj   +1 more source

Buckling Electrothermal NEMS Actuators: Analytic Design for Very Slender Beams [PDF]

open access: yes, 2022
Analytic approximations are presented for the response of buckling-mode electrothermal actuators with very slender beams with a width-to-length ratio of W/L≤0.001 of the type found in nanoelectromechanical systems (NEMS).
Dixi Liu   +3 more
core   +1 more source

Thermomechanical performance analysis and experiment of electrothermal shape memory alloy helical spring actuator

open access: yesAdvances in Mechanical Engineering, 2021
In this paper, an electrothermal shape memory alloy helical spring actuator constructed from shape memory alloy with copper-cored enameled wire is presented and fabricated.
Yang Xiong, Jin Huang, Ruizhi Shu
doaj   +1 more source

A novel continuously variable angular vertical comb-drive with application in scanning micromirror

open access: yes, 2013
An angular vertical comb-drive (AVC) with electrically controllable initial comb-offset is presented in the context of a single crystalline silicon scanning micromirror.
Lì, Lì L.   +7 more
core   +1 more source

Modeling of Rapid Pam Systems Based on Electrothermal Micromirror for High-Resolution Facial Angiography

open access: yesSensors, 2023
In this paper, a portable photoacoustic microscopy (PAM) system is proposed based on a large stroke electrothermal micromirror to achieve high resolution and fast imaging.
Yuanlin Xia   +5 more
doaj   +1 more source

Scanning Micromirror Platform Based on MEMS Technology for Medical Application

open access: yesMicromachines, 2016
This topical review discusses recent development and trends on scanning micromirrors for biomedical applications. This also includes a biomedical micro robot for precise manipulations in a limited volume.
Eakkachai Pengwang   +3 more
doaj   +1 more source

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