Characterization of LC sensor structures realized by PCB and LTCC technology for determining moisture in building materials

This paper compares performances of two wireless sensors for measuring water concentration in building materials, one manufactured by the printed circuit board (PCB) technology and another one using the low temperature co-fired ceramics (LTCC) process. The fabricated sensors consist of inductive par...

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Main Authors: Milan R. Radovanović, Sanja P. Kojić, Dragana Z. Vasiljević, Goran M. Stojanović
Format: Article
Language:English
Published: University of Novi Sad 2018-03-01
Series:Processing and Application of Ceramics
Subjects:
Online Access:http://www.tf.uns.ac.rs/publikacije/PAC/pdf/PAC%2039%2003.pdf
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author Milan R. Radovanović
Sanja P. Kojić
Dragana Z. Vasiljević
Goran M. Stojanović
author_facet Milan R. Radovanović
Sanja P. Kojić
Dragana Z. Vasiljević
Goran M. Stojanović
author_sort Milan R. Radovanović
collection DOAJ
description This paper compares performances of two wireless sensors for measuring water concentration in building materials, one manufactured by the printed circuit board (PCB) technology and another one using the low temperature co-fired ceramics (LTCC) process. The fabricated sensors consist of inductive part (L) and interdigitated capacitive part (C) in one metal layer, connected in parallel. Inductance of inductive part was kept constant, whereas capacitance of capacitive part was changed by exposing the sensor to different moisture concentration, changing its resonant frequency. The variation of resonant frequency as a function of different water concentration was measured, using antenna coil and impedance analyser, in two widely used construction materials: clay brick and autoclaved aerated concrete block. Surface analysis for two sensors was performed by means of 3D profilometer. Mechanical properties of the sensors were measured for both conductive segments (copper and silver) and substrates materials (PCB and ceramics substrates) using nanoindenter. Comparative characteristics of the sensors are presented from their application point of view.
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spelling doaj.art-7426e51577504d039bde8f7b6b7bc81c2022-12-21T19:38:27ZengUniversity of Novi SadProcessing and Application of Ceramics1820-61312406-10342018-03-01121132010.2298/PAC1801013RCharacterization of LC sensor structures realized by PCB and LTCC technology for determining moisture in building materialsMilan R. Radovanović0Sanja P. Kojić1Dragana Z. Vasiljević2Goran M. Stojanović3Faculty of Technical Sciences, University of Novi Sad, Novi Sad, SerbiaFaculty of Technical Sciences, University of Novi Sad, Novi Sad, SerbiaFaculty of Technical Sciences, University of Novi Sad, Novi Sad, SerbiaFaculty of Technical Sciences, University of Novi Sad, Novi Sad, SerbiaThis paper compares performances of two wireless sensors for measuring water concentration in building materials, one manufactured by the printed circuit board (PCB) technology and another one using the low temperature co-fired ceramics (LTCC) process. The fabricated sensors consist of inductive part (L) and interdigitated capacitive part (C) in one metal layer, connected in parallel. Inductance of inductive part was kept constant, whereas capacitance of capacitive part was changed by exposing the sensor to different moisture concentration, changing its resonant frequency. The variation of resonant frequency as a function of different water concentration was measured, using antenna coil and impedance analyser, in two widely used construction materials: clay brick and autoclaved aerated concrete block. Surface analysis for two sensors was performed by means of 3D profilometer. Mechanical properties of the sensors were measured for both conductive segments (copper and silver) and substrates materials (PCB and ceramics substrates) using nanoindenter. Comparative characteristics of the sensors are presented from their application point of view.http://www.tf.uns.ac.rs/publikacije/PAC/pdf/PAC%2039%2003.pdfLC sensornanoindenter3D profilemoisture
spellingShingle Milan R. Radovanović
Sanja P. Kojić
Dragana Z. Vasiljević
Goran M. Stojanović
Characterization of LC sensor structures realized by PCB and LTCC technology for determining moisture in building materials
Processing and Application of Ceramics
LC sensor
nanoindenter
3D profile
moisture
title Characterization of LC sensor structures realized by PCB and LTCC technology for determining moisture in building materials
title_full Characterization of LC sensor structures realized by PCB and LTCC technology for determining moisture in building materials
title_fullStr Characterization of LC sensor structures realized by PCB and LTCC technology for determining moisture in building materials
title_full_unstemmed Characterization of LC sensor structures realized by PCB and LTCC technology for determining moisture in building materials
title_short Characterization of LC sensor structures realized by PCB and LTCC technology for determining moisture in building materials
title_sort characterization of lc sensor structures realized by pcb and ltcc technology for determining moisture in building materials
topic LC sensor
nanoindenter
3D profile
moisture
url http://www.tf.uns.ac.rs/publikacije/PAC/pdf/PAC%2039%2003.pdf
work_keys_str_mv AT milanrradovanovic characterizationoflcsensorstructuresrealizedbypcbandltcctechnologyfordeterminingmoistureinbuildingmaterials
AT sanjapkojic characterizationoflcsensorstructuresrealizedbypcbandltcctechnologyfordeterminingmoistureinbuildingmaterials
AT draganazvasiljevic characterizationoflcsensorstructuresrealizedbypcbandltcctechnologyfordeterminingmoistureinbuildingmaterials
AT goranmstojanovic characterizationoflcsensorstructuresrealizedbypcbandltcctechnologyfordeterminingmoistureinbuildingmaterials