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Acoustic wavelength effects on the propagation of SAW on piezo-crystal and polymer substrates

The design, fabrication and characterization of Surface Acoustic Wave (SAW) delay lines on piezo-crystalline and polymer substrate is outlined in this paper. The SAW delay lines consist of two sets of Inter-Digital Transducers (IDT) separated by a certain distance on the surface of the piezoelectric...

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Main Authors: Malik, A.F., Burhanudin, Z.A., Jeoti, V., Hashim, U., Foo, K.L., Ismail, M.C.
Format: Conference or Workshop Item
Published: 2013
Online Access:https://www.scopus.com/inward/record.uri?eid=2-s2.0-84893616914&doi=10.1109%2fRSM.2013.6706501&partnerID=40&md5=ff9f4025aa903e645d57014a279e55f0
http://eprints.utp.edu.my/32670/
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spelling my.utp.eprints.326702022-03-30T01:02:17Z Acoustic wavelength effects on the propagation of SAW on piezo-crystal and polymer substrates Malik, A.F. Burhanudin, Z.A. Jeoti, V. Hashim, U. Foo, K.L. Ismail, M.C. The design, fabrication and characterization of Surface Acoustic Wave (SAW) delay lines on piezo-crystalline and polymer substrate is outlined in this paper. The SAW delay lines consist of two sets of Inter-Digital Transducers (IDT) separated by a certain distance on the surface of the piezoelectric substrate. Initially, the design parameters of the SAW delay lines are obtained using Impulse Response model. Then, the device is fabricated using conventional lithography process. The transmission coefficients (S21) of the SAW devices fabricated on 500 μm-thick Lithium Niobate (LiNbO3) and on 110 μm-thick polyvinyldeneflouride (PVDF) substrates are then observed using vector network analyzer. It is found that SAW devices designed to operate at 55-196 MHz on LiNbO3 has S21 with losses within 10-20 dB. On the other hand, SAW devices designed to operate on PVDF, do not show any credible signal. The successful transmission of SAW on LiNbO3 shows that appropriate design, fabrication and characterization methodology has been adopted. Unfortunately, due to the thin PVDF layer, the acoustic signal transverse downward beyond the thickness of the PVDF rendering the SAW devices non-operational. From the data collected, it is therefore believed that successful generation of SAW on piezo-crystal and polymer substrate could only be realized if the thickness of the PVDF is at least six times the acoustic wavelength of the SAW itself. © 2013 IEEE. 2013 Conference or Workshop Item NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-84893616914&doi=10.1109%2fRSM.2013.6706501&partnerID=40&md5=ff9f4025aa903e645d57014a279e55f0 Malik, A.F. and Burhanudin, Z.A. and Jeoti, V. and Hashim, U. and Foo, K.L. and Ismail, M.C. (2013) Acoustic wavelength effects on the propagation of SAW on piezo-crystal and polymer substrates. In: UNSPECIFIED. http://eprints.utp.edu.my/32670/
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Institutional Repository
url_provider http://eprints.utp.edu.my/
description The design, fabrication and characterization of Surface Acoustic Wave (SAW) delay lines on piezo-crystalline and polymer substrate is outlined in this paper. The SAW delay lines consist of two sets of Inter-Digital Transducers (IDT) separated by a certain distance on the surface of the piezoelectric substrate. Initially, the design parameters of the SAW delay lines are obtained using Impulse Response model. Then, the device is fabricated using conventional lithography process. The transmission coefficients (S21) of the SAW devices fabricated on 500 μm-thick Lithium Niobate (LiNbO3) and on 110 μm-thick polyvinyldeneflouride (PVDF) substrates are then observed using vector network analyzer. It is found that SAW devices designed to operate at 55-196 MHz on LiNbO3 has S21 with losses within 10-20 dB. On the other hand, SAW devices designed to operate on PVDF, do not show any credible signal. The successful transmission of SAW on LiNbO3 shows that appropriate design, fabrication and characterization methodology has been adopted. Unfortunately, due to the thin PVDF layer, the acoustic signal transverse downward beyond the thickness of the PVDF rendering the SAW devices non-operational. From the data collected, it is therefore believed that successful generation of SAW on piezo-crystal and polymer substrate could only be realized if the thickness of the PVDF is at least six times the acoustic wavelength of the SAW itself. © 2013 IEEE.
format Conference or Workshop Item
author Malik, A.F.
Burhanudin, Z.A.
Jeoti, V.
Hashim, U.
Foo, K.L.
Ismail, M.C.
spellingShingle Malik, A.F.
Burhanudin, Z.A.
Jeoti, V.
Hashim, U.
Foo, K.L.
Ismail, M.C.
Acoustic wavelength effects on the propagation of SAW on piezo-crystal and polymer substrates
author_facet Malik, A.F.
Burhanudin, Z.A.
Jeoti, V.
Hashim, U.
Foo, K.L.
Ismail, M.C.
author_sort Malik, A.F.
title Acoustic wavelength effects on the propagation of SAW on piezo-crystal and polymer substrates
title_short Acoustic wavelength effects on the propagation of SAW on piezo-crystal and polymer substrates
title_full Acoustic wavelength effects on the propagation of SAW on piezo-crystal and polymer substrates
title_fullStr Acoustic wavelength effects on the propagation of SAW on piezo-crystal and polymer substrates
title_full_unstemmed Acoustic wavelength effects on the propagation of SAW on piezo-crystal and polymer substrates
title_sort acoustic wavelength effects on the propagation of saw on piezo-crystal and polymer substrates
publishDate 2013
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-84893616914&doi=10.1109%2fRSM.2013.6706501&partnerID=40&md5=ff9f4025aa903e645d57014a279e55f0
http://eprints.utp.edu.my/32670/
_version_ 1738657419297292288
score 13.211869

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