Chip-scale sonic communication using AlN transducers

J Hoople, J Kuo, S Ardanuç… - 2013 IEEE International …, 2013 - ieeexplore.ieee.org
On-chip wired interconnects presents a bottleneck for VLSI integrated circuits. An additional
channel with which to communicate information would be beneficial to supplement …

Optimized response of AlN stack for chipscale GHz ultrasonics

J Hoople, J Kuo, JSB Woon, N Singh… - 2015 IEEE International …, 2015 - ieeexplore.ieee.org
In this paper we present designs of an aluminum nitride (AlN) based transducer stack for
ultrasonic transmit/receive applications integrated in silicon. By optimal design of the …

Chip-scale reconfigurable phased-array sonic communication

J Hoople, J Kuo, S Ardanuç… - 2014 IEEE International …, 2014 - ieeexplore.ieee.org
As CMOS electronics scale to smaller dimensions, wired interconnect density, power
consumption, and delays have introduced bottlenecks in performance. Ultrasonic …

Towards ultrasonic through-silicon vias (UTSV)

J Kuo, J Hoople, S Ardanuç… - 2014 IEEE International …, 2014 - ieeexplore.ieee.org
3D interconnects between stacked silicon chips in 3D integrated circuits (3DICs) have been
realized with through-silicon vias (TSVs). These call for special processing microfabriation …

Monolithic 180nm CMOS controlled GHz ultrasonic impedance sensing and imaging

M Abdelmejeed, A Ravi, Y Liu, J Kuo… - 2019 IEEE …, 2019 - ieeexplore.ieee.org
For the first time we demonstrate monolithically integrated solidly mounted piezoelectric AlN
(aluminum nitride) thin film transducers integrated onto 180nm CMOS wafers to realize …

Towards a CMOS compatible ultrasonic delay line memory

J Kuo, J Hoople, A Lal - 2015 IEEE International Ultrasonics …, 2015 - ieeexplore.ieee.org
In this paper, we present the concept and demonstrate the use of recirculating ultrasonic
pulses as memory elements, stored in the thickness of a silicon wafer. This memory can be …

An efficient electrical addressing method using through-wafer vias for two-dimensional ultrasonic arrays

CH Cheng, EM Chow, X Jin, S Ergun… - … Symposium (Cat. No …, 2000 - ieeexplore.ieee.org
This paper presents a technology for high density and low parasitic capacitance electrical
interconnects to arrays of Capacitive Micromachined Ultrasonic Transducers (CMUTs) on a …

A 44V Driver Array for Ultrasonic Haptic Feedback in Display Compatible Thin-Film Low Temperature Poly-Silicon

J Pelgrims, K Myny, W Dehaene - 2023 IEEE Custom …, 2023 - ieeexplore.ieee.org
Low frequency ultrasonic transducers arrays are gaining interest, with new applications such
as ultrasonic powering, ultrasound imaging, tactile displays and ultrasonic haptic feedback …

Programmable analog front-end system for ultrasonic SoC hardware

V Vasudevan, P Govindan… - … Conference on Electro …, 2014 - ieeexplore.ieee.org
This study presents a scheme for enhancing the capabilities of an ultrasonic hardware
platform leading to a fully reconfigurable system allowing for dynamic control over the …

Ghz ultrasonic digital to analog converter for wavefront signal processing

M Abdelmejeed, JC Kuo, A Lal - 2018 IEEE International …, 2018 - ieeexplore.ieee.org
In this paper a Digital to Analog Converter (DAC) based on the propagation of ultrasonic
waves in silicon is presented. AlN piezoelectric transducers on a silicon substrate are used …