Current ultrasound technologies and instrumentation in the assessment and monitoring of COVID-19 positive patients

X Qian, R Wodnicki, H Kang, J Zhang… - IEEE transactions on …, 2020 - ieeexplore.ieee.org
Since the emergence of the COVID-19 pandemic in December of 2019, clinicians and
scientists all over the world have faced overwhelming new challenges that not only threaten …

2-D array design and fabrication with pitch-shifting interposer at frequencies from 4 MHz up to 10 MHz

H Kang, Y Sun, R Wodnicki, Q He… - IEEE transactions on …, 2022 - ieeexplore.ieee.org
High element density and strict constraints of the element's size have significantly limited the
design and fabrication of 2-D ultrasonic arrays, especially fully sampled 2-D arrays …

[HTML][HTML] Highly integrated multiplexing and buffering electronics for large aperture ultrasonic arrays

N StephensDouglas, E Cabrera-MunozNestor… - BME …, 2022 - spj.science.org
Large aperture ultrasonic arrays can be implemented by tiling together multiple pretested
modules of high-density acoustic arrays with closely integrated multiplexing and buffering …

Design of an ultrasound transceiver ASIC with a switching-artifact reduction technique for 3D carotid artery imaging

T Kim, F Fool, DS Dos Santos, ZY Chang, E Noothout… - Sensors, 2020 - mdpi.com
This paper presents an ultrasound transceiver application-specific integrated circuit (ASIC)
directly integrated with an array of 12× 80 piezoelectric transducer elements to enable next …

Modular large array for liver cancer imaging in handheld form factor

R Wodnicki, H Kang, J Zhang, J Foiret… - 2021 IEEE …, 2021 - ieeexplore.ieee.org
Hepatocellular carcinoma is difficult to diagnose reliably using ultrasound in patients with
thick abdominal walls. An important consideration for improving diagnosis in these patients …

Large area 1.75 D array for liver cancer by tiling of multi-generation ASIC array modules

R Wodnicki, Y Sun, R Li, DN Stephens… - 2020 IEEE …, 2020 - ieeexplore.ieee.org
In a significant proportion of patients screened for Hepatocellular Carcinoma (HCC) using
ultrasound the quality of images obtained is below the requirements for diagnostic …

T/R Switch Composed of Three HV-MOSFETs With 12.1-μW Consumption That Enables Per-Channel Self-Loopback AC Tests and− 18.1-dB Switching Noise …

S Kajiyama, Y Igarashi, T Yazaki… - … Transactions on Very …, 2021 - ieeexplore.ieee.org
This article presents an area-and power-efficient transmission/receiving (TX/RX)-isolation
switch implemented in a 3072-ch ultrasound (US) in-probe 2-D array transceiver application …

Research Article Highly Integrated Multiplexing and Buffering Electronics for Large Aperture Ultrasonic Arrays

Y Sun, R Chen, LM Jiang, NE Cabrera-Munoz, J Foiret… - 2022 - spj.science.org
Large aperture ultrasonic arrays can be implemented by tiling together multiple pretested
modules of high-density acoustic arrays with closely integrated multiplexing and buffering …

High Frequency 1.75 D array using a 3D printed pitch-changing interposer backing

R Wodnicki, H Kang, Y Sun, L Jiang… - 2020 IEEE …, 2020 - ieeexplore.ieee.org
High frequency arrays (> 10 MHz) have potential utility in clinical settings for ophthalmology,
breast cancer, and skin cancer diagnosis, and have been used extensively for small animal …

Orthogonal bowtie-shaped 2D array for real-time 3D imaging

J Yen, R Wodnicki - 2020 IEEE International Ultrasonics …, 2020 - ieeexplore.ieee.org
Develo** fully-sampled 2D arrays having several thousands of elements has required the
use of application-specific integrated circuits (ASICs) in the probe handle to funnel the …