surface acoustic wave – TechConnect Briefs

Aerospace Applications for Surface Acoustic Wave Devices

Wilson W., NASA Langley Research Center, US

Surface acoustic wave (SAW) technology can be used to create a variety of different sensors, including strain, chemical, pressure, and temperature. These sensors can be configured to be passive and wireless, which could be useful [...]

Low-Cost Nano-Manufacturing of Surface Acoustic Wave Devices by Use of Jet & Flash Nano Imprint Lithography

Pedersen C.M., Braun L., Ballandras S., Plessky V., De Joffrey P., Boillot P., Renaud S., Girardet E., Bro T.H., Bilenberg B., Gegot F., Davis Z.J., Danish Technological Institute, DK

Surface acoustic wave (SAW) devices have many applications and can be found in common consumer electronics such as mobile phones, WiFi and GPS. Beside its use in electronics they can also be used as a [...]

Temperature and Strain Coefficient of Velocity for Langasite SAW Devices

Wilson W.C., Atkinson G.M., NASA Langley Research Center, US

Surface Acoustic Wave sensors on Langasite substrates are being investigated for aerospace applications by NASA’s Vehicle Systems Safety Technologies (VSST) project. Strain sensors are being developed using the Langasite. Characterization of the Langasite material properties [...]

Temperature and Strain Response of a Surface Acoustic Wave Sensor

Wilson W.C., Atkinson G.M., NASA Langley Research Center, US

A new multifunctional temperature and strain sensor is being investigated. The new sensor is based upon Surface Acoustic Wave (SAW) technology on a Langasite substrate. SAW sensors can be developed that respond to changes in [...]

Finite Element Modeling and Analysis of CMOS-SAW Sensors

Tigli O., Zaghloul M.E., Washington State University Vancouver, US

Finite element (FE) modeling and performance analysis of Surface Acoustic Wave (SAW) devices that are developed in CMOS (Complementary Metal Oxide Semiconductor) technology are presented. CMOS-SAW devices were designed, fabricated and characterized as a biosensor [...]

Modeling of a Surface Acoustic Wave Strain Sensor

Wilson W.C., Atkinson G.M., NASA Langley Research Center, US

NASA’s Integrated Vehicle Health Monitoring (IVHM) project is investigating new detection technologies that will increase aviation safety by monitoring the structural health of aerospace vehicles during flight. These new technologies must be rugged, light weight [...]

A Comparison of Surface Acoustic Wave Modeling Methods

Wilson W.C., Atkinson G.M., NASA Langley Research Center, US

Surface Acoustic Wave (SAW) technology is low cost, rugged, lightweight, extremely low power and can be used to develop passive wireless sensors. For these reasons, NASA is investigating the use of SAW technology for Integrated [...]

Frequency Domain Modeling of SAW Devices

Wilson W.C., Atkinson G.M., NASA Langley Research Center, US

The lack of integrated design tools for MEMS devices in general, and for Surface Acoustic Wave (SAW) devices specifically, has led to the development of tools that will enable integrated design, modeling, simulation, analysis and [...]

Stem Cell Differentiation Base on Acoustic Wave Sensor

Shih C-J, Tsai B-C, Ou K-L, Industrial Technology Research Institute, TW

This project was based on immobilizing bio-material. We used a new application for protein array and studied a new acoustic wave sensor which is based on silicon. We used the MEMS fabrication and the property [...]

Flat Fluidics: Programmable On-Chip Networks for Biological and Chemical Applications

Wixforth A., University of Augsburg and Advalytix AG, DE

We present a novel approach towards the needs of a versatile microfluidic chip-based microfluidic system with unique properties and functionality. Like for microarrays and in contrast to many existing microfluidic technologies, the fluid handling is [...]