RF wireless lc tank sensors fabricated by 3D additive manufacturing

Sung Yueh Wu, Chen Yang*, Wen-Syang Hsu, Liwei Lin

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

8 Scopus citations

Abstract

We present wireless inductor-capacitor (LC) tank sensors constructed by the three-dimensional (3D) additive manufacturing technique. Fabricated 3D structures with hollow channels are filled with liquid metal (silver particles) to form basic electrical components including inductors and capacitors. In the prototype design, a radio-frequency (RF) LC tank with resonance frequency at 0.53 GHz is realized. This LC tank sensor is utilized in rapid detection of liquid food (e.g., milk and juice). Specifically, the resonant frequency of the LC tank changes as the dielectric constant of the liquid food deteriorates over time and the signals are detected via an inductively coupled reader wirelessly. In the preliminary tests, a 4.3% frequency shift for milk stored at room temperature after 36 hours was obtained. This work presents a new class of manufacturing concepts to construct arbitrary 3D electrical systems for wireless sensing applications.

Original languageEnglish
Title of host publication2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages2208-2211
Number of pages4
ISBN (Electronic)9781479989553
DOIs
StatePublished - 5 Aug 2015
Event18th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2015 - Anchorage, United States
Duration: 21 Jun 201525 Jun 2015

Publication series

Name2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2015

Conference

Conference18th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2015
CountryUnited States
CityAnchorage
Period21/06/1525/06/15

Keywords

  • 3D printing
  • LC sensor
  • RF
  • Wireless sensing
  • additive manufacturing

Fingerprint Dive into the research topics of 'RF wireless lc tank sensors fabricated by 3D additive manufacturing'. Together they form a unique fingerprint.

Cite this