신소재공학과

Seminar

Date 20161116 

Topic : Transient Electronics Lifetime Controlled Electronics for Biomedical Sensing and Treatment
                   
Speaker : 11/16(Tue) Dr. Seung-Kyun Kang (Dept. of MSE, University of Illinois at Urbana-Champaign)

 

Invitation : Prof. Jeon, Seokwoo


Date & Time : November 16 (Wed) 14:00


Venue : KAIST Applied Engineering B/D(W1), #2429 (2nd Floor)


Abstract : Reliability of electronic devices represents their durability and long-term operation in the most of electronics industry.  Transient electronics, an emerging class of electronics pursuing the device systems all of whose materials physically/chemically disappear, assigns a new time frame to reliability: stable operation on a brief, temporary time scale. Applications of transient electronics range from zero-waste green electronics and biodegradable medical devices to hardware-controlled security systems. Here we report on recent progress in dissolution chemistry of electronic materials, functional degradation of integrated devices, encapsulation strategy for lifetime control, and their biomedical and hardware security applications.  Hydrolysis kinetics of silicon, germanium, silicon oxide and nitride in various pH buffer solutions open the way to high- performance electronic materials in biodegradable form.  Electronics of various active and passive components and their integrated circuit on a soft bioresorbable polymer provide biomedical implants interfacing to tissues and organs.  Representative examples of biomedical applications include intracranial pressure monitors for traumatic brain injury, electrical stimulators for nerve and cardiac modulation, and drug delivery vehicles for cancer treatment.  In addition, trigger transient electronics, which control device life-cycles on demand, offer self-destructing electronics beneficial in military and personal security protection. 

 

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