<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1665-3521</journal-id>
<journal-title><![CDATA[Superficies y vacío]]></journal-title>
<abbrev-journal-title><![CDATA[Superf. vacío]]></abbrev-journal-title>
<issn>1665-3521</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Ciencia y Tecnología de Superficies y Materiales A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1665-35212011000200002</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Simulación y caracterización de un transductor ultrasónico utilizando Rexolite como acoplamiento acústico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez Domínguez]]></surname>
<given-names><![CDATA[Israel]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Acevedo Contla]]></surname>
<given-names><![CDATA[Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Contreras]]></surname>
<given-names><![CDATA[Juan Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Investigaciones en Matemáticas Aplicadas y en Sistemas Circuito Escolar ]]></institution>
<addr-line><![CDATA[México DF.]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2011</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2011</year>
</pub-date>
<volume>24</volume>
<numero>2</numero>
<fpage>39</fpage>
<lpage>42</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1665-35212011000200002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1665-35212011000200002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1665-35212011000200002&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Este artículo describe la simulación y caracterización de un transductor ultrasónico, empleando un nuevo material para ser utilizado como elemento de acoplamiento (matching). Este transductor fue simulado usando una cerámica piezoeléctrica comercial PIC255 a 8MHz, y el material que fue empleado como elemento de acoplamiento (matching) fue Rexolite, el cual presenta un excelente acoplamiento acústico. Las simulaciones realizadas con un software de elementos finitos, demostró el buen funcionamiento del transductor al contar con el Rexolite como elemento de acoplamiento. Permitiendo considerar al Rexolite como un material idóneo para trabajar y conseguir resultados óptimos, gracias a su maleabilidad y propiedades acústicas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[This article describes the simulation and characterization of an ultrasonic transducer using a new material to be used as coupling (matching). This transducer was simulated using a commercial piezoelectric ceramic PIC255 at 8MHz, and the material that was used as matching was Rexolite, which features excellent acoustic coupling. The results obtained with finite element method software, demostrated the proper funtioning of the transducer to have the Rexolite as coupling. Rexolite consider allowing a suitable material to work and get results, because of its malleability and acoustic properties.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Transductor ultrasónico]]></kwd>
<kwd lng="es"><![CDATA[Rexolite]]></kwd>
<kwd lng="es"><![CDATA[Simulación]]></kwd>
<kwd lng="es"><![CDATA[Elementos finitos]]></kwd>
<kwd lng="en"><![CDATA[Ultrasonic transducer]]></kwd>
<kwd lng="en"><![CDATA[Rexolite]]></kwd>
<kwd lng="en"><![CDATA[Simulation]]></kwd>
<kwd lng="en"><![CDATA[Finite elements]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  	    <p align="center"><font face="verdana" size="4"><b>Simulaci&oacute;n y caracterizaci&oacute;n de un transductor ultras&oacute;nico utilizando Rexolite como acoplamiento ac&uacute;stico</b></font></p>  	    <p align="center"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="center"><font face="verdana" size="2"><b>S&aacute;nchez Dom&iacute;nguez Israel *, Acevedo Contla Pedro, Contreras Juan Antonio</b></font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2"><i>UNAM &#45; Instituto de Investigaciones en Matem&aacute;ticas Aplicadas y en Sistemas Circuito Escolar s/n Ciudad Universitaria, C.P. 04510, Del. Coyoac&aacute;n, M&eacute;xico DF.</i></font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2">Recibido: 12 de septiembre de 2010;    <br> 	Aceptado: 29 de abril de 2011</font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2"><b>Resumen</b></font></p>  	    <p align="justify"><font face="verdana" size="2">Este art&iacute;culo describe la simulaci&oacute;n y caracterizaci&oacute;n de un transductor ultras&oacute;nico, empleando un nuevo material para ser utilizado como elemento de acoplamiento (matching). Este transductor fue simulado usando una cer&aacute;mica piezoel&eacute;ctrica comercial PIC255 a 8MHz, y el material que fue empleado como elemento de acoplamiento (matching) fue Rexolite, el cual presenta un excelente acoplamiento ac&uacute;stico. Las simulaciones realizadas con un software de elementos finitos, demostr&oacute; el buen funcionamiento del transductor al contar con el Rexolite como elemento de acoplamiento. Permitiendo considerar al Rexolite como un material id&oacute;neo para trabajar y conseguir resultados &oacute;ptimos, gracias a su maleabilidad y propiedades ac&uacute;sticas.</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>Palabras claves:</b> Transductor ultras&oacute;nico; Rexolite; Simulaci&oacute;n; Elementos finitos.</font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>Abstract</b></font></p>  	    <p align="justify"><font face="verdana" size="2">This article describes the simulation and characterization of an ultrasonic transducer using a new material to be used as coupling (matching). This transducer was simulated using a commercial piezoelectric ceramic PIC255 at 8MHz, and the material that was used as matching was Rexolite, which features excellent acoustic coupling. The results obtained with finite element method software, demostrated the proper funtioning of the transducer to have the Rexolite as coupling. Rexolite consider allowing a suitable material to work and get results, because of its malleability and acoustic properties.</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>Keywords:</b> Ultrasonic transducer; Rexolite; Simulation; Finite elements.</font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2"><a href="/pdf/sv/v24n2/v24n2a2.pdf" target="_blank">DESCARGAR ART&Iacute;CULO EN FORMATO PDF</a></font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2"><b>Agradecimientos</b></font></p>  	    <p align="justify"><font face="verdana" size="2">Los autores agradecen el apoyo de la DGAPA&#45;UNAM (PAPIIT IN&#45;1 13610).</font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>Referencias</b></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;1&#93;. I. S&aacute;nchez, J. Contreras, P. Acevedo, M. Fuentes, "Simulaci&oacute;n Mediante Elementos Finitos de Un Transductor Ultras&oacute;nico Tipo Arreglo (Array) Para Aplicaciones M&eacute;dicas". SOMI XXIII, Congreso de Instrumentaci&oacute;n, Xalapa, Veracruz, M&eacute;xico, octubre de 2008, memorias en CD</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=9691948&pid=S1665-3521201100020000200001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">&#91;2&#93;. Turnbull Daniel H., and FOSTER F. STUART, July 1992 "Fabrication and Characterization of Transducer Elements inTwo&#45;Dimensional Arrays for Medical Ultrasound Imaging"</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=9691949&pid=S1665-3521201100020000200002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">&#91;3&#93;. I. S&aacute;nchez Dom&iacute;nguez, P. Acevedo Contla, "Nueva caja de prueba para la selecci&oacute;n de materiales en base a sus propiedades ac&uacute;sticas para la construcci&oacute;n de transductores piezoel&eacute;ctricos ultras&oacute;nicos". SOMI XXIV, Congreso de Instrumentaci&oacute;n, M&eacute;rida, Yucat&aacute;n, M&eacute;xico, octubre de 2009.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=9691950&pid=S1665-3521201100020000200003&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;4&#93;. Whittingham T. A., Phys. Med. Biol. <b>36</b>, 1503 (1991).    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=9691952&pid=S1665-3521201100020000200004&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>  	    ]]></body>
<body><![CDATA[<!-- ref --><p align="justify"><font face="verdana" size="2">&#91;5&#93;. Y. Kagawa and T. Yamabuchi, IEEE Transactions on Sonics and Ultrasonics, <b>26</b>, 81 (1979).    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=9691954&pid=S1665-3521201100020000200005&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;6&#93;. <a href="http://www.rexolite.com/" target="_blank">http://www.rexolite.com/</a></font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=9691956&pid=S1665-3521201100020000200006&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">&#91;7&#93;. <a href="http://www.physikinstrumente.com/" target="_blank">http://www.physikinstrumente.com/</a></font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=9691957&pid=S1665-3521201100020000200007&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">&#91;8&#93;. Manual COMSOL 3.3: Manual Structural Mechanics Module pag 323 &#45; 346, Version 3.3, Agosto 2006.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=9691958&pid=S1665-3521201100020000200008&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;9&#93;. Manual COMSOL 3.3: Chapter 2 Acoustic Structure Interaction, Vibrations of a Disk Backed by an Air&#45;Filled Cylinder, Agosto 2006.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=9691960&pid=S1665-3521201100020000200009&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;10&#93;. <a href="http://www.comsol.com/multiphysics/piezoresistiveeffects/" target="_blank">http://www.comsol.com/multiphysics/piezoresistiveeffects/</a></font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=9691962&pid=S1665-3521201100020000200010&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><p align="justify"><font face="verdana" size="2">&nbsp;</font></p> 	    ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2"><b>Nota</b></font></p>         <p align="justify"><font face="verdana" size="2">The Editors thank to the Physics Department of the Centro de Investigaci&oacute;n y de Estudios Avanzados del IPN for the support in the publication of this issue, and the cooperation of M en C. Alejandra Garc&iacute;a Sotelo and Eng. Erasmo G&oacute;mez.</font></p>      ]]></body><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Contreras]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Acevedo]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Fuentes]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang="es"><![CDATA[Simulación Mediante Elementos Finitos de Un Transductor Ultrasónico Tipo Arreglo (Array) Para Aplicaciones Médicas]]></article-title>
<source><![CDATA[]]></source>
<year></year>
<conf-name><![CDATA[XXIII Congreso de Instrumentación]]></conf-name>
<conf-date>octubre de 2008</conf-date>
<conf-loc>Xalapa Veracruz</conf-loc>
</nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Turnbull]]></surname>
<given-names><![CDATA[Daniel H.]]></given-names>
</name>
<name>
<surname><![CDATA[FOSTER]]></surname>
<given-names><![CDATA[F. STUART]]></given-names>
</name>
</person-group>
<source><![CDATA[Fabrication and Characterization of Transducer Elements inTwo-Dimensional Arrays for Medical Ultrasound Imaging]]></source>
<year>July</year>
<month> 1</month>
<day>99</day>
</nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sánchez Domínguez]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Acevedo Contla]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang="es"><![CDATA[Nueva caja de prueba para la selección de materiales en base a sus propiedades acústicas para la construcción de transductores piezoeléctricos ultrasónicos]]></article-title>
<source><![CDATA[]]></source>
<year></year>
<conf-name><![CDATA[XXIV Congreso de Instrumentación]]></conf-name>
<conf-date>octubre de 2009</conf-date>
<conf-loc>Mérida Yucatán</conf-loc>
</nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Whittingham]]></surname>
<given-names><![CDATA[T. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Phys. Med. Biol.]]></source>
<year>1991</year>
<volume>36</volume>
<page-range>1503</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kagawa]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Yamabuchi]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<source><![CDATA[IEEE Transactions on Sonics and Ultrasonics]]></source>
<year>1979</year>
<volume>26</volume>
<page-range>81</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="">
<source><![CDATA[]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="">
<source><![CDATA[]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="">
<source><![CDATA[Manual COMSOL 3.3: Manual Structural Mechanics Module]]></source>
<year>Agos</year>
<month>to</month>
<day> 2</day>
<page-range>323 - 346</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="">
<source><![CDATA[Manual COMSOL 3.3: Chapter 2 Acoustic Structure Interaction, Vibrations of a Disk Backed by an Air-Filled Cylinder]]></source>
<year>Agos</year>
<month>to</month>
<day> 2</day>
</nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="">
<source><![CDATA[]]></source>
<year></year>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
