Zobrazeno 1 - 10
of 370
pro vyhledávání: '"Pratap, Rudra"'
Piezoelectric micro-electro-mechanical systems have significant market potential owing to their superior capabilities of transduction to those of standard capacitive and piezoresistive devices. However, piezoelectric films are often lossy, which redu
Externí odkaz:
http://arxiv.org/abs/2403.10845
Autor:
Paladugu, Sri Harsha, Roy, Kaustav, Ashok, Anuj, Nayak, Bibhas, Rangarajan, Annapoorni, Pratap, Rudra
Micro-mechanical resonators are widely used in modern sensing technology due to their high quality-factor (Q), enabling sensitive detection of various stimuli. However, the performance of these resonators in fluid environments is limited by significa
Externí odkaz:
http://arxiv.org/abs/2312.05214
Autor:
Roy, Kaustav, Kumar, Akshay, Shastri, Vijayendra, Munjal, Isha, Kalyan, Kritank, Ashok, Anuj, Jeyaseelan, Anthony, Prakash, Jaya, Pratap, Rudra
This report introduces a novel optofluidic platform based on piezo-MEMS technology, capable of identifying subtle variations in the fluid concentration. The system utilizes piezoelectric micromachined ultrasound transducers (PMUTs) as receivers to ca
Externí odkaz:
http://arxiv.org/abs/2312.02917
Autor:
Jadhav, Shubham, Pratap, Rudra
This paper details the development of high-quality, c-axis oriented AlN thin films up to 2 {\mu}m thick, using sputtering on platinum-coated SOI substrates for use in piezoelectric MEMS. Our comprehensive studies illustrate how important growth param
Externí odkaz:
http://arxiv.org/abs/2307.03366
Nonlinearities play a critical role in the dynamics of mechanical resonators, enhancing sensitivity and enabling signal manipulation. Understanding the parameters affecting nonlinearities is crucial for developing strategies to counteract their effec
Externí odkaz:
http://arxiv.org/abs/2305.19577
Autor:
Roy, Kaustav, Paramanik, Arijit, Paul, Souradip, Kalyan, Akshay, Sarkar, Eshani, Ashok, Anuj, Pratap, Rudra, Singh, M Suheshkumar
Photoacoustic image (PAI) quality improvement using a low frequency piezoelectric micromachined ultrasound transducer (PMUT) having the fundamental resonant frequency 1 MHz is being reported. Specifically, three different methods are implemented such
Externí odkaz:
http://arxiv.org/abs/2211.17145
For the past two decades piezo MEMS technology are emerging for its low power consumption of ultrasonic sensing and actuation devices for biomedical applications. Still researchers are facing challenges in miniaturization of piezo-MEMS devices. But u
Externí odkaz:
http://arxiv.org/abs/2208.06255
Autor:
Nayak, Bibhas, Gupta, Harshvardhan, Roy, Kaustav, Ashok, Anuj, Shastri, Vijayendra, Pratap, Rudra
Piezoelectric micromachined ultrasound transducers (PMUTs) have gained popularity in the past decade as acoustic transmitters and receivers. As these devices usually operate at resonance, they can deliver large output sound pressures with very low po
Externí odkaz:
http://arxiv.org/abs/2108.04660
Autor:
Roy, Kaustav, Kalyan, Kritank, Ashok, Anuj, Shastri, Vijayendra, Jeyaseelan, Antony, Mandal, Avinandan, Pratap, Rudra
We demonstrate the design, fabrication and use of a dual electrode PMUT (Piezoelectric Micromachined Ultrasound Transducer) integrated with a microfluidic channel as a fluid density sensor in both static and dynamic density-change conditions. The dua
Externí odkaz:
http://arxiv.org/abs/2104.11793
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