A 20 GHz microwave heater for digital microfluidic
This paper reports on a microwave heater at 20 GHz for digital microfluidics. It allows rapid heating of nanoliter fluid samples and simultaneous temperature monitoring by correlating the reflection coefficient of the heater with the temperature dependency of the relative permittivity of the lossy f...
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| Veröffentlicht in: | International journal of microwave and wireless technologies 2017-10, Vol.9 (8), p.1591-1596 |
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| container_end_page | 1596 |
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| container_issue | 8 |
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| container_title | International journal of microwave and wireless technologies |
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| creator | Markovic, Tomislav Liu, Song Ocket, Ilja Nauwelaers, Bart K. J. C. |
| description | This paper reports on a microwave heater at 20 GHz for digital microfluidics. It allows rapid heating of nanoliter fluid samples and simultaneous temperature monitoring by correlating the reflection coefficient of the heater with the temperature dependency of the relative permittivity of the lossy fluid under consideration, in this case demineralized water. Microwave heating was performed with power levels of 20 and 23 dBm at the on-wafer probe tips on samples of 500 nL. Temperature measurements were carried out with a miniaturized type K thermocouple, and a platinum resistor to monitor the reference temperature. Microwave and thermal performances have been characterized using multi-physics software, and measurements obtained with a large signal vector network analyzer showed good agreement with simulated data. An average heating rate of 20 °C/s was observed during the first 4 s of the heating process. |
| doi_str_mv | 10.1017/S1759078717000563 |
| format | Article |
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J. C.</creator><creatorcontrib>Markovic, Tomislav ; Liu, Song ; Ocket, Ilja ; Nauwelaers, Bart K. J. C.</creatorcontrib><description>This paper reports on a microwave heater at 20 GHz for digital microfluidics. It allows rapid heating of nanoliter fluid samples and simultaneous temperature monitoring by correlating the reflection coefficient of the heater with the temperature dependency of the relative permittivity of the lossy fluid under consideration, in this case demineralized water. Microwave heating was performed with power levels of 20 and 23 dBm at the on-wafer probe tips on samples of 500 nL. Temperature measurements were carried out with a miniaturized type K thermocouple, and a platinum resistor to monitor the reference temperature. Microwave and thermal performances have been characterized using multi-physics software, and measurements obtained with a large signal vector network analyzer showed good agreement with simulated data. An average heating rate of 20 °C/s was observed during the first 4 s of the heating process.</description><identifier>ISSN: 1759-0787</identifier><identifier>EISSN: 1759-0795</identifier><identifier>DOI: 10.1017/S1759078717000563</identifier><language>eng</language><publisher>Cambridge, UK: Cambridge University Press</publisher><subject>Demineralizing ; Design ; Heating rate ; Microfluidics ; Microwave heating ; Permittivity ; Platinum ; Reflectance ; Research Papers ; Thermal cycling ; Tips</subject><ispartof>International journal of microwave and wireless technologies, 2017-10, Vol.9 (8), p.1591-1596</ispartof><rights>Copyright © Cambridge University Press and the European Microwave Association 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c317t-b913212bb1ad4b6fd3edc84a9e2e904d973e8e3f44328bc2b090fce0d1385bd23</citedby><cites>FETCH-LOGICAL-c317t-b913212bb1ad4b6fd3edc84a9e2e904d973e8e3f44328bc2b090fce0d1385bd23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.cambridge.org/core/product/identifier/S1759078717000563/type/journal_article$$EHTML$$P50$$Gcambridge$$H</linktohtml><link.rule.ids>164,314,780,784,27924,27925,55628</link.rule.ids></links><search><creatorcontrib>Markovic, Tomislav</creatorcontrib><creatorcontrib>Liu, Song</creatorcontrib><creatorcontrib>Ocket, Ilja</creatorcontrib><creatorcontrib>Nauwelaers, Bart K. J. C.</creatorcontrib><title>A 20 GHz microwave heater for digital microfluidic</title><title>International journal of microwave and wireless technologies</title><addtitle>Int. J. Microw. Wireless Technol</addtitle><description>This paper reports on a microwave heater at 20 GHz for digital microfluidics. It allows rapid heating of nanoliter fluid samples and simultaneous temperature monitoring by correlating the reflection coefficient of the heater with the temperature dependency of the relative permittivity of the lossy fluid under consideration, in this case demineralized water. Microwave heating was performed with power levels of 20 and 23 dBm at the on-wafer probe tips on samples of 500 nL. Temperature measurements were carried out with a miniaturized type K thermocouple, and a platinum resistor to monitor the reference temperature. Microwave and thermal performances have been characterized using multi-physics software, and measurements obtained with a large signal vector network analyzer showed good agreement with simulated data. An average heating rate of 20 °C/s was observed during the first 4 s of the heating process.</description><subject>Demineralizing</subject><subject>Design</subject><subject>Heating rate</subject><subject>Microfluidics</subject><subject>Microwave heating</subject><subject>Permittivity</subject><subject>Platinum</subject><subject>Reflectance</subject><subject>Research Papers</subject><subject>Thermal cycling</subject><subject>Tips</subject><issn>1759-0787</issn><issn>1759-0795</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp1kEFLw0AQhRdRsFZ_gLeA5-jMbpLdPZairVDwoJ7Dbna2bklM3aSK_npTUkQQTzPMvO_N8Bi7RLhGQHnziDLXIJVECQB5IY7YZD9KQer8-KdX8pSddd0GoJBKyQnjs4RDslh-JU2oYvth3il5IdNTTHwbExfWoTf1uPT1LrhQnbMTb-qOLg51yp7vbp_my3T1sLifz1ZpJVD2qdUoOHJr0bjMFt4JcpXKjCZOGjKnpSBFwmeZ4MpW3IIGXxE4FCq3jospuxp9t7F921HXl5t2F1-HkyUOsOZSiXxQ4agaHuy6SL7cxtCY-FkilPtoyj_RDIw4MKaxMbg1_bL-l_oGcGNj6Q</recordid><startdate>201710</startdate><enddate>201710</enddate><creator>Markovic, Tomislav</creator><creator>Liu, Song</creator><creator>Ocket, Ilja</creator><creator>Nauwelaers, Bart K. J. C.</creator><general>Cambridge University Press</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>P5Z</scope><scope>P62</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>S0W</scope></search><sort><creationdate>201710</creationdate><title>A 20 GHz microwave heater for digital microfluidic</title><author>Markovic, Tomislav ; Liu, Song ; Ocket, Ilja ; Nauwelaers, Bart K. J. 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C.</creatorcontrib><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>DELNET Engineering & Technology Collection</collection><jtitle>International journal of microwave and wireless technologies</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Markovic, Tomislav</au><au>Liu, Song</au><au>Ocket, Ilja</au><au>Nauwelaers, Bart K. J. C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A 20 GHz microwave heater for digital microfluidic</atitle><jtitle>International journal of microwave and wireless technologies</jtitle><addtitle>Int. J. Microw. Wireless Technol</addtitle><date>2017-10</date><risdate>2017</risdate><volume>9</volume><issue>8</issue><spage>1591</spage><epage>1596</epage><pages>1591-1596</pages><issn>1759-0787</issn><eissn>1759-0795</eissn><abstract>This paper reports on a microwave heater at 20 GHz for digital microfluidics. It allows rapid heating of nanoliter fluid samples and simultaneous temperature monitoring by correlating the reflection coefficient of the heater with the temperature dependency of the relative permittivity of the lossy fluid under consideration, in this case demineralized water. Microwave heating was performed with power levels of 20 and 23 dBm at the on-wafer probe tips on samples of 500 nL. Temperature measurements were carried out with a miniaturized type K thermocouple, and a platinum resistor to monitor the reference temperature. Microwave and thermal performances have been characterized using multi-physics software, and measurements obtained with a large signal vector network analyzer showed good agreement with simulated data. An average heating rate of 20 °C/s was observed during the first 4 s of the heating process.</abstract><cop>Cambridge, UK</cop><pub>Cambridge University Press</pub><doi>10.1017/S1759078717000563</doi><tpages>6</tpages></addata></record> |
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| source | Cambridge Journals |
| subjects | Demineralizing Design Heating rate Microfluidics Microwave heating Permittivity Platinum Reflectance Research Papers Thermal cycling Tips |
| title | A 20 GHz microwave heater for digital microfluidic |
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