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Mechanical Engineering

University of Kentucky

Mechanical Engineering Graduate Research

PDMS

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Optimization Of Geometry Parameters Of Inkjet-Printed Silver Nanoparticle Traces On Pdms Substrates Using Response Surface Methodology, Jumana Abu-Khalaf, Loiy Al-Ghussain, Ahmad Nadi, Razan Saraireh, Abdulrahman Rabayah, Safwan Altarazi, Ala’Aldeen Al-Halhouli Oct 2019

Optimization Of Geometry Parameters Of Inkjet-Printed Silver Nanoparticle Traces On Pdms Substrates Using Response Surface Methodology, Jumana Abu-Khalaf, Loiy Al-Ghussain, Ahmad Nadi, Razan Saraireh, Abdulrahman Rabayah, Safwan Altarazi, Ala’Aldeen Al-Halhouli

Mechanical Engineering Graduate Research

Inkjet printing is an emerging technology with key advantages that make it suitable for the fabrication of stretchable circuits. Specifically, this process is cost-effective and less complex compared to conventional fabrication technologies. Inkjet printing has several process and geometry parameters that significantly affect the electromechanical properties of the printed circuits. This study aims to optimize the geometry parameters of inkjet-printed silver nanoparticle traces on plasma-treated polydimethylsiloxane (PDMS) substrates. The optimization process was conducted for two printed shapes, namely straight line and horseshoe patterns. The examined input factors for the straight line traces were: the number of inkjet-printed layers and line …


Fabrication And Evaluation Of A Novel Non-Invasive Stretchable And Wearable Respiratory Rate Sensor Based On Silver Nanoparticles Using Inkjet Printing Technology, Ala’Aldeen Al-Halhouli, Loiy Al-Ghussain, Saleem El Bouri, Haipeng Liu, Dingchang Zheng Sep 2019

Fabrication And Evaluation Of A Novel Non-Invasive Stretchable And Wearable Respiratory Rate Sensor Based On Silver Nanoparticles Using Inkjet Printing Technology, Ala’Aldeen Al-Halhouli, Loiy Al-Ghussain, Saleem El Bouri, Haipeng Liu, Dingchang Zheng

Mechanical Engineering Graduate Research

The respiration rate (RR) is a key vital sign that links to adverse clinical outcomes and has various important uses. However, RR signals have been neglected in many clinical practices for several reasons and it is still difficult to develop low-cost RR sensors for accurate, automated, and continuous measurement. This study aims to fabricate, develop and evaluate a novel stretchable and wearable RR sensor that is low-cost and easy to use. The sensor is fabricated using the soft lithography technique of polydimethylsiloxane substrates (PDMS) for the stretchable sensor body and inkjet printing technology for creating the conductive circuit by depositing …