<?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>0035-001X</journal-id>
<journal-title><![CDATA[Revista mexicana de física]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. fis.]]></abbrev-journal-title>
<issn>0035-001X</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Física]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0035-001X2013000100010</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Micro sensor-actuador térmico sin baterías para aplicaciones en microelectrónica de ultra-bajo consumo de potencia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Varona]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tecpoyotl-Torres]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad Panamericana. Escuela de Ingeniería. ]]></institution>
<addr-line><![CDATA[ Aguascalientes]]></addr-line>
<country>México</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidad Autónoma del Estado de México. Centro de Investigación en Ingeniería y Ciencias Aplicadas. ]]></institution>
<addr-line><![CDATA[ Morelos]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2013</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2013</year>
</pub-date>
<volume>59</volume>
<numero>1</numero>
<fpage>26</fpage>
<lpage>38</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2013000100010&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2013000100010&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2013000100010&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Como una alternativa a los microactuadores térmicos accionados eléctricamente, este trabajo presenta un microdispositivo que puede operar aprovechando el calor del ambiente circundante y que pude ser usado ya sea como actuador o como sensor térmico. Al no depender de batería alguna para su operación, este dispositivo es ideal para aplicaciones portátiles y de ultra-bajo consumo de potencia. El dispositivo fue implementado en una tecnología estándar de sistemas micro-electro-mecánicos (MEMS) y los resultados experimentales demuestran la viabilidad de explotar la energía térmica del medio ambiente para la activación de microsensores y actuadores MEMS. Para ilustrar las aplicaciones potenciales de este dispositivo se presenta el diseño de un microsistema de medición de temperatura que integra el microsensor térmico MEMS con circuitos electrónicos CMÓS en un solo microchip.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[As an alternative to electrically driven thermal actuators, this work presents a sensor/actuator device that can be operated with an external heat source and, for example, scavenge heat from the surrounding medium. The device herein presented is ideal for ultra-low power and portable applications as it eliminates the need for batteries. The mechanism was implemented using a standard micro-electro-mechanical-systems (MEMS) fabrication process. Experimental results demonstrate the viability of exploiting thermal energy from the environment to power MEMS sensor/actuator devices. Finally, examples of potential applications are also discussed including the design of a fully monolithic temperature sensing system that integrates the MEMS thermal device with CMOS circuitry in a single microchip.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[microsistemas]]></kwd>
<kwd lng="es"><![CDATA[MEMS]]></kwd>
<kwd lng="es"><![CDATA[sensores]]></kwd>
<kwd lng="es"><![CDATA[actuadores]]></kwd>
<kwd lng="es"><![CDATA[energía térmica]]></kwd>
<kwd lng="en"><![CDATA[Microsystems]]></kwd>
<kwd lng="en"><![CDATA[MEMS]]></kwd>
<kwd lng="en"><![CDATA[sensors]]></kwd>
<kwd lng="en"><![CDATA[actuators]]></kwd>
<kwd lng="en"><![CDATA[thermal energy]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  	    <p align="justify"><font face="verdana" size="4">Instrumentaci&oacute;n</font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="center"><font face="verdana" size="4"><b>Micro sensor&#45;actuador t&eacute;rmico sin bater&iacute;as para aplicaciones en microelectr&oacute;nica de ultra&#45;bajo consumo de potencia</b></font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="center"><font face="verdana" size="2"><b>J. Varona<sup>a</sup>, M. Tecpoyotl&#45;Torres<sup>b</sup>, and R. Vel&aacute;zquez<sup>a</sup></b></font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2"><i><sup>a</sup> Escuela de Ingenier&iacute;a, Universidad Panamericana&#45;Bonaterra, Av. Josemaria Escriv&aacute; 101, Aguascalientes, 20290, M&eacute;xico, e&#45;mail: jvarona;</i> <a href="mailto:rvelazquez@up.edu.mx">rvelazquez@up.edu.mx</a></font></p>  	    <p align="justify"><font face="verdana" size="2"><i><sup>b</sup> Centro de Investigaci&oacute;n en Ingenier&iacute;a y Ciencias Aplicadas, UAEM, Av. Universidad 1001, Cuernavaca, Morelos, 62209, M&eacute;xico, e&#45;mail:</i> <a href="mailto:tecpoyotl@uaem.mx">tecpoyotl@uaem.mx</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">Recibido el 27 de febrero de 2012    <br> 	Aceptado el 10 de septiembre de 2012</font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>Resumen</b></font></p>  	    <p align="justify"><font face="verdana" size="2">Como una alternativa a los microactuadores t&eacute;rmicos accionados el&eacute;ctricamente, este trabajo presenta un microdispositivo que puede operar aprovechando el calor del ambiente circundante y que pude ser usado ya sea como actuador o como sensor t&eacute;rmico. Al no depender de bater&iacute;a alguna para su operaci&oacute;n, este dispositivo es ideal para aplicaciones port&aacute;tiles y de ultra&#45;bajo consumo de potencia. El dispositivo fue implementado en una tecnolog&iacute;a est&aacute;ndar de sistemas micro&#45;electro&#45;mec&aacute;nicos (MEMS) y los resultados experimentales demuestran la viabilidad de explotar la energ&iacute;a t&eacute;rmica del medio ambiente para la activaci&oacute;n de microsensores y actuadores MEMS. Para ilustrar las aplicaciones potenciales de este dispositivo se presenta el dise&ntilde;o de un microsistema de medici&oacute;n de temperatura que integra el microsensor t&eacute;rmico MEMS con circuitos electr&oacute;nicos CM&Oacute;S en un solo microchip.</font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;<b>Descriptores:</b> microsistemas; MEMS; sensores; actuadores; energ&iacute;a t&eacute;rmica.</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">As an alternative to electrically driven thermal actuators, this work presents a sensor/actuator device that can be operated with an external heat source and, for example, scavenge heat from the surrounding medium. The device herein presented is ideal for ultra&#45;low power and portable applications as it eliminates the need for batteries. The mechanism was implemented using a standard micro&#45;electro&#45;mechanical&#45;systems (MEMS) fabrication process. Experimental results demonstrate the viability of exploiting thermal energy from the environment to power MEMS sensor/actuator devices. Finally, examples of potential applications are also discussed including the design of a fully monolithic temperature sensing system that integrates the MEMS thermal device with CMOS circuitry in a single microchip.</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>Keywords:</b> Microsystems; MEMS; sensors; actuators; thermal energy.</font></p>  	    ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2">PACS: 85.85.+j; 88.90.+t; 07.07.Mp</font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2"><a href="/pdf/rmf/v59n1/v59n1a10.pdf" target="_blank">DESCARGAR ART&Iacute;CULO EN FORMATO PDF</a></font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>Agradecimientos</b></font></p>  	    <p align="justify"><font face="verdana" size="2">Los autores agradecen al Prof. Anas A. Hamoui de la Universidad de McGill, y a los doctores Antonio Ram&iacute;rez Trevi&ntilde;o del CINVESTAV&#45;GDL, Jos&eacute; M&iacute;reles Jr. y Perla Garc&iacute;a de la Universidad Aut&oacute;noma de Cd. Ju&aacute;rez por brindarnos acceso a procesos de microfabricaci&oacute;n y equipo de pruebas de laboratorio respectivamente. Parte de este trabajo fue realizado con el apoyo de una beca CONACYT.</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>  	    <p align="justify"><font face="verdana" size="2"><i>i</i>. Acr&oacute;nimo del ingl&eacute;s <i>Very Large Scale Integration</i></font></p>  	    ]]></body>
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<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fu]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Knobloch]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Martinez]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Walther]]></surname>
<given-names><![CDATA[D.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Fernandez-Pello]]></surname>
<given-names><![CDATA[A.C.]]></given-names>
</name>
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