Style
Teamwork; Collective
To pass, you must: (i) attend all the class lectures, (ii) participate during the experimental/simulation sessions, and (iii) submit the project(s) at the end of course. By the end of Class #1, students must decide whether to register or drop the course.
Overview
This is a special topic on piezoelectric materials and devices, which have become a leading source of functional and intelligent electronics in a vast array of applications, from personal healthcare to industrial equipment. The instructor anticipates that this unique course will shed light on the present state of research and development within the community of piezoelectric materials and ultrasound devices for biomedical applications. It begins with a comprehensive summary of the history of piezoelectrics and current hot research topics. Second, it covers all aspects of the materials starting from fundamental concepts, including the theory of piezoelectricity, and the physics of piezoelectric materials and their characteristics. Third, it demonstrates advanced electronic devices, including sensors, actuators, harvesters, and transducers. Fourth, it will cover cutting-edge applications of piezoelectric ultrasound for medical imaging, energy transfer, and neurostimulations. Last but not least, students will be trained on modelling ultrasonic propagation to design medical devices using different simulation software like COMSOL and PiezoCAD. In the meantime, students will obtain practical expertise in synthesizing and characterizing piezoelectric materials and manufacturing and measuring piezoelectric devices for engineering and biomedical applications. On the course website, course-related books/articles/notes/video tutorials are provided. The final projects are to submit digital drawings (2D/3D) and their corresponding simulation results of the proposed piezoelectric medical devices based on the interest of the students.
Objectives
Schedule (Lecture sessions: ≥3 hrs/class; Experimental/Simulation sessions: ≥3 hrs/class)
Schedule:
Class 1:
Introduction
Class 2:
(A) Piezoelectric materials: crystal and ceramics
(B) Piezoelectric materials: films (inorganic and organic)
(C) Piezoelectric materials: composites
Class 3:
(A) Piezoelectric devices: sensors
(B) Piezoelectric devices: actuators
(C) Piezoelectric devices: harvesters
Class 4: Experimental
Piezoelectric materials characterization
Class 5:
Introduction of ultrasound
Class 6:
Ultrasound transducers
Class 7:
Ultrasound applications: imaging
Class 8:
Ultrasound applications: imaging
Class 9:
Ultrasound applications: wireless energy transfer & communication
Class 10:
Experiment
Class 11:
Ultrasound applications: Stimulation/therapy, drug delivery & tissue characterization with low and high frequency transducer
Class 12:
Class & Experiment
(A) Piezoelectric Micromachined Ultrasound Transducer (PMUT)
(B) AUTOCAD application for designing microfabricated PMUTs
(C) Demonstrating COMSOL/On-Scale simulation experiments for profiling the piezoelectric ultrasound stimulation and investigate the effect of design parameters
Class 13:
Project Realization #1:
Medical imaging transducer design: Draw 2D/3D image of your piezoelectric transducer & apply simulation using PiezoCAD for its performance characterization
Class 14:
Project Realization #2:
Medical imaging transducer design: Draw 2D/3D image of your piezoelectric transducer & apply simulation using PiezoCAD for its performance characterization
Class 15:
Project Realization #3:
Neurostimulator (bulk or/and PMUT) design: Draw 2D/3D image of your piezoelectric stimulator & apply simulation using COMSOL for its performance characterization