Encapsulation of Semiconductor Gas Sensors with Gas Barrier Films for USN Application

• Published in: ETRI journal Vol. 34; no. 5; pp. 713 - 718
• Main Authors: Lee, Hyung-Kun, Yang, Woo Seok, Choi, Nak-Jin, Moon, Seung Eon
• Format: Journal Article
• Language: Korean
• Published: 2012
• Subjects: Encapsulation; ubiquitous sensor network (USN); gas sensor; gas barrier

Sensor nodes in ubiquitous sensor networks require autonomous replacement of deteriorated gas sensors with reserved sensors, which has led us to develop an encapsulation technique to avoid poisoning the reserved sensors and an autonomous activation technique to replace a deteriorated sensor with a r...