Highly sensitive and flexible pressure sensor based on porous elastomeric dielectric containing conductive filler = 전도성 필러가 첨가된 다공성 유전체 기반 고감도 유연 압력 센서

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Recently, a lot of research has been conducted to measure small pressure regimes (1-10 kPa) with the purpose of detecting wrist pulse and develop human-machine interfaces. In this work, we report a highly sensitive and flexible piezo-capacitive pressure sensor based on a porous dielectric matrix containing multi-walled carbon nanotubes (MWNTs) as conductive fillers. Porous dielectric matrix containing conductive fillers has a high resolution because the conductive fillers increase the dielectric constant of the matrix. This difference leads to a high sensitivity. Although this sensor has good performances, it is vulnerable to environmental interferes such as the human hand and electromagnetic signals. Therefore, we applied shielding systems to the fabricated sensor. Additionally, temperatures and air humidity have little influence on the output signal of the sensor.
Advisors
Park, Inkyuresearcher박인규researcher
Description
한국과학기술원 :기계공학과,
Publisher
한국과학기술원
Issue Date
2018
Identifier
325007
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 기계공학과, 2018.8,[v, 41 p. :]

Keywords

Flexible/wearable sensor▼apressure sensor▼aconductive filler▼aporous dielectric; 유연/착용형 센서▼a압력 센서▼a전도성 필러▼a다공성 유전체

URI
http://hdl.handle.net/10203/265856
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=828448&flag=dissertation
Appears in Collection
ME-Theses_Master(석사논문)
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