Results 21 to 30 of about 15,564 (252)

A Review on Preparation of Superhydrophobic and Superoleophobic Surface by Laser Micromachining and Its Hybrid Methods

Crystals, 2022
Functional wetting surfaces have excellent prospects in applications including self-cleaning, anti-fog, anti-icing, corrosion resistance, droplet control, and friction power generation.
Yang Liu, Mingyi Wu, Chunfang Guo, Dong Zhou, Yucheng Wu, Zhaozhi Wu, Haifei Lu, Hongmei Zhang, Zhaoyang Zhang   +8 more
doaj   +1 more source

Multiphysics simulation of piezoresistive pressure microsensor using finite element method [PDF]

FME Transactions, 2021
In this study, the electro-mechanical behavior of a specially designed highsensitive piezoresistor pressure microsensor was simulated using finite element method, through COMSOL multiphysics software.
Pashmforoush Farzad
doaj  

Analysis of the Micromachining Process of Dielectric and Metallic Substrates Immersed in Water with Femtosecond Pulses

Micromachines, 2015
Micromachining of 1 mm thick dielectric and metallic substrates was conducted using femtosecond pulse generated filaments in water. Several hundred microjoule energy pulses were focused within a water layer covering the samples.
Simas Butkus, Aleksandr Alesenkov, Domas Paipulas, Eugenijus Gaižauskas, Andrius Melninkaitis, Dalia Kaškelytė, Martynas Barkauskas, Valdas Sirutkaitis   +7 more
doaj   +1 more source

Fabrication of Implantable, Enzyme-Immobilized Glutamate Sensors for the Monitoring of Glutamate Concentration Changes in Vitro and in Vivo

Molecules, 2014
Glutamate sensors based on the immobilization of glutamate oxidase (GlutOx) were prepared by adsorption on electrodeposited chitosan (Method 1) and by crosslinking with glutaraldehyde (Method 2) on micromachined platinum microelectrodes.
Tina T.-C. Tseng, Cheng-Fu Chang, Wen-Chin Chan   +2 more
doaj   +1 more source

Micro Metal Additive Manufactured Low-Loss Slotted Rectangular Waveguides Operating at 220-500 GHz

Frontiers in Physics, 2021
This paper reports the design, fabrication and measurement techniques for a set of low-loss slotted waveguides. The waveguides are fabricated based on a micro metal additive manufacturing technology.
Zixian Wu, Guanghua Shi, Yang Yu, Yang Yu, Xiaozhu Wen, Cheng Guo, Cheng Guo, Anxue Zhang   +7 more
doaj   +1 more source

Dry etching and micromachining of precision Silicon components

, 2022
S.37-44 : Ill., Lit.Dry etching and micromachining with laser radiation of short wavelength and pulse length are investigated to present their process capabilities for the production of surface structures within precision Silicon components.
Urbasch, G., Jandeleit, J., Kreutz, E.W., Pfleging, W.   +3 more
core  

Femtosecond Beam Transformation Effects in Water, Enabling Increased Throughput Micromachining in Transparent Materials

Applied Sciences, 2019
Femtosecond lasers are widely applied in scientific and industrial fields. Recent trends in the laser market show decreasing prices for femtosecond units, which will ultimately lead to the opening of new markets that were inaccessible in the past due to ...
Simas Butkus, Eugenijus Gaižauskas, Lina Mačernytė, Vytautas Jukna, Domas Paipulas, Valdas Sirutkaitis   +5 more
doaj   +1 more source

Optical Sensor, Based on an Accelerometer, for Low-Frequency Mechanical Vibrations

Micromachines, 2022
This article documents the design, manufacture, and testing of a silicon inertial optical sensor for low-frequency (lower than 2 kHz) applications. Three accelerometer designs optimized by parameterization using Finite Element Analysis were considered ...
Rodolfo Sánchez-Fraga, Margarita Tecpoyotl-Torres, Israel Mejía, Jorge Omar Mañón, Luis Eduardo Riestra, Jesús Alcantar-Peña   +5 more
doaj   +1 more source

Ultrafast Laser Pulses for Structuring Materials at Micro/Nano Scale: From Waveguides to Superhydrophobic Surfaces

Photonics, 2017
The current demand for fabricating optical and photonic devices displaying high performance, using low-cost and time-saving methods, prompts femtosecond (fs)-laser processing as a promising methodology.
Daniel S. Correa, Juliana M. P. Almeida, Gustavo F. B. Almeida, Marcos R. Cardoso, Leonardo De Boni, Cleber R. Mendonça   +5 more
doaj   +1 more source

Development of Broadband High-Frequency Piezoelectric Micromachined Ultrasonic Transducer Array

Sensors, 2021
Piezoelectric micromachined ultrasonic transducers (PMUT) are promising elements to fabricate a two-dimensional (2D) array with a pitch small enough (approximately half wavelength) to form and receive arbitrary acoustic beams for medical imaging. However,
Xu-Bo Wang, Le-Ming He, You-Cao Ma, Wen-Juan Liu, Wei-Jiang Xu, Jun-Yan Ren, Antoine Riaud, Jia Zhou   +7 more
doaj   +1 more source