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Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics

Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics

In this video we first describe fabrication and operation procedures of a surface acoustic wave (SAW) acoustic counterflow device. We then demonstrate an experimental setup that allows for both qualitative flow visualization and quantitative analysis of complex flows within the SAW pumping...

Fabrication of Surface Acoustic Wave Devices on Lithium Niobate

Fabrication of Surface Acoustic Wave Devices on Lithium Niobate

Two fabrication techniques, lift-off and wet etching, are described in producing interdigital electrode transducers upon a piezoelectric substrate, lithium niobate, widely used to generate surface acoustic waves now finding broad utility in micro to nanoscale fluidics. The as-produced electrodes are shown to efficiently induce megahertz order Rayleigh surface acoustic...

Fabrication of Nanoheight Channels Incorporating Surface Acoustic Wave Actuation via Lithium Niobate for Acoustic Nanofluidics

Fabrication of Nanoheight Channels Incorporating Surface Acoustic Wave Actuation via Lithium Niobate for Acoustic Nanofluidics

We demonstrate fabrication of nanoheight channels with the integration of surface acoustic wave actuation devices upon lithium niobate for acoustic nanofluidics via liftoff photolithography, nano-depth reactive ion etching, and room-temperature plasma surface-activated multilayer bonding of single-crystal lithium niobate, a process similarly useful for bonding lithium niobate to...

Testing Tactile Masking between the Forearms

Testing Tactile Masking between the Forearms

Here we explore contralateral tactile masking between the forearms in which tactile detection thresholds are modulated by vibration applied to a remote site. The details of which remote sites have an effect can tell us about how the body is represented in the brain.

The Role of Fabric in Frictional Properties of Phyllosilicate-Rich Tectonic Faults

The Role of Fabric in Frictional Properties of Phyllosilicate-Rich Tectonic Faults

Friction of phyllosilicates-rich faults sheared in their in situ geometry is significantly lower than friction of their powdered equivalents.

Friction

Friction

Source: Nicholas Timmons, Asantha Cooray, PhD, Department of Physics & Astronomy, School of Physical Sciences, University of California, Irvine, CA

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Updated: Jan 20, 2026

Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics

Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics

Published on: August 27, 2013

使用摩擦和声学方法量化织物的触觉感知.

Laure Kyriazis¹, Tugce Caykara¹, Daniel Ingo Hefft¹

¹School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham, UK.

Tribology letters

|January 19, 2026

概括

本研究引入了一种使用声辐射 (AE) 信号和摩擦来理解触觉感知的新方法. AE信号成功地区分了织物纹理,为感官分析提供了多功能工具.

科学领域:

部落学 (tribology) 是一个学科.
感官科学感官科学
生物物理学的生物物理.

背景情况:

皮肤摩擦对于化品和涂料等配方产品的触觉感知至关重要.
了解 tribological 属性和触觉感知之间的联系对于产品开发至关重要.

研究的目的:

开发一种新的方法,用于在人类手指滑动过程中获取声辐射 (AE) 信号.
为了将AE信号和摩擦特征与各种基板的触觉感知相关联.
评估AE信号的潜力,作为一种独立或补充的感觉分析方法.

主要方法:

人类手指滑动实验是在织物和非织物基板上进行的.
摩擦力是用力板来测量的.
在滑动过程中产生的声辐射 (AE) 信号被获取.
主要组件分析 (PCA) 用于关联AE,摩擦和感官数据.

主要成果:

平面固体基板可以仅仅根据摩擦来区分.
摩擦系数 (CoF) 值没有显著区分织物材料.
声辐射 (AE) 信号成功分化了织物基板.
AE分析显示了补充或独立的触觉感知评估的潜力.

关键词:

声波发射是一种声波发射.皮肤三角学皮肤三角学触觉感知是一种触觉感知.

更多相关视频

Fabrication of Surface Acoustic Wave Devices on Lithium Niobate

Fabrication of Surface Acoustic Wave Devices on Lithium Niobate

Published on: June 18, 2020

Fabrication of Nanoheight Channels Incorporating Surface Acoustic Wave Actuation via Lithium Niobate for Acoustic Nanofluidics

Fabrication of Nanoheight Channels Incorporating Surface Acoustic Wave Actuation via Lithium Niobate for Acoustic Nanofluidics

Published on: February 5, 2020

相关实验视频

Last Updated: Jan 20, 2026

Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics

Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics

Published on: August 27, 2013

Fabrication of Surface Acoustic Wave Devices on Lithium Niobate

Fabrication of Surface Acoustic Wave Devices on Lithium Niobate

Published on: June 18, 2020

Fabrication of Nanoheight Channels Incorporating Surface Acoustic Wave Actuation via Lithium Niobate for Acoustic Nanofluidics

Fabrication of Nanoheight Channels Incorporating Surface Acoustic Wave Actuation via Lithium Niobate for Acoustic Nanofluidics

Published on: February 5, 2020

结论:

声波发射 (AE) 为区分织物质感提供了有价值的数据,补充了传统的摩擦测量.
开发的基于AE的方法显示了客观触觉感官评估的前景.
这种方法为分析材料表面相互作用和感知质感提供了一种多功能工具.