1. Ultrasound Array Fabricated With Surface Charge Engineering For Contactless Gesture And Materials Detection Restricted Author: Dutta, Ankan Title: Ultrasound Array Fabricated With Surface Charge Engineering For Contactless Gesture And Materials Detection Graduate Program: Engineering Science and Mechanics (MS) Keywords: Closely packed ultrasound arraySurface charge engineeringNon-contact triboelectricityGesture recognition and material detection File: No files available due to restrictions. Committee Members: Larry Cheng, Thesis Advisor/Co-AdvisorYun Jing, Committee MemberAlbert Segall, Program Head/ChairJian Hsu, Committee Member