Design and fabrication of millimeter-wave frequency-tunable metamaterial absorber using MEMS cantilever actuators

M Chung, H Jeong, YK Kim, S Lim, CW Baek - Micromachines, 2022 - mdpi.com
In this paper, a MEMS (Micro Electro Mechanical Systems)-based frequency-tunable
metamaterial absorber for millimeter-wave application was demonstrated. To achieve the …

[HTML][HTML] A novel design for low insertion loss, multi-band RF-MEMS switch with low pull-in voltage

M Angira, KJ Rangra - … Science and Technology, an International Journal, 2016 - Elsevier
This paper presents a new type of capacitive shunt RF-MEMS switch. In the proposed
design, float metal concept is utilized to reduce the RF overlap area between the movable …

Controlling stress and stress gradient during the release process in gold suspended micro-structures

V Mulloni, F Giacomozzi, B Margesin - Sensors and Actuators A: Physical, 2010 - Elsevier
In this paper it will be demonstrated that the conditions of the final release process in oxygen
plasma strongly influence the shape of suspended gold micro-structures. Both single …

Modeling and experimental verification of thermally induced residual stress in RF-MEMS

A Somà, MM Saleem - Journal of Micromechanics and …, 2015 - iopscience.iop.org
Electrostatically actuated radio frequency microelectromechanical systems (RF-MEMS)
generally consist of microcantilevers and clamped–clamped microbeams. The presence of …

Modeling and measurement of thermal–mechanical-stress-creep effect for RF MEMS switch up to 200 C

Y Zhang, J Sun, H Liu, Z Liu - Micromachines, 2022 - mdpi.com
High-temperature processes, such as packaging and annealing, are challenges for Radio-
Frequency Micro-Electro-Mechanical-Systems (RF MEMS) structures, which could lead to …

A simple analytical method for residual stress measurement on suspended MEM structures using surface profilometry

V Mulloni, S Colpo, A Faes… - … of Micromechanics and …, 2013 - iopscience.iop.org
This paper presents an analytical method to calculate residual stress and Young's modulus
in clamped–clamped beams. These types of structures are a typical building block of many …

High-power electro-mechanical behavior of a capacitive microwave power sensor with warped cantilever beam

J Li, X Liao - Solid-State Electronics, 2020 - Elsevier
In this paper, high-power up to 4000 mW electro-mechanical behavior of a capacitive micro-
electromechanical systems (MEMS) microwave power sensor using cantilever beam is …

Fabrication of freestanding metallic Ni-Mo-W microcantilever beams with high dimensional stability

GM Valentino, PP Shetty, JA Krogstad… - Journal of …, 2020 - ieeexplore.ieee.org
Recent studies have elucidated a promising balance of physical and mechanical properties
of sputter deposited nickel-molybdenum-tungsten (Ni-Mo-W) films that have a unique …

Planarization optimization of RF-MEMS switches with a gold membrane

C Villeneuve, P Pons, V Puyal… - … of Micromechanics and …, 2010 - iopscience.iop.org
In this paper, a new process is analysed to improve the contact area between a metallic
bridge and a signal line of a capacitive switch thanks to a better membrane planarization …

Strengthening of micro-cantilever by Au/Ti bi-layered structure evaluated by micro-bending test toward MEMS devices

K Hashigata, TFM Chang, H Tang, CY Chen… - Microelectronic …, 2019 - Elsevier
This study reports mechanical property enhancement observed in micro-cantilevers
composed of Au/Ti bi-layered structure evaluated by micro-bending test. A layer of gold film …