Latching micromagnetic relays
This paper describes the underlying principles, design and operation of a new type of latching micromagnetic relay. The device is based on preferential magnetization of a soft magnetic cantilever in a permanent external magnetic field. Switching between two stable states is accomplished by momentari...
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| Veröffentlicht in: | Journal of microelectromechanical systems 2001-12, Vol.10 (4), p.511-517 |
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| container_title | Journal of microelectromechanical systems |
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| creator | Meichun Ruan Jun Shen Wheeler, C.B. |
| description | This paper describes the underlying principles, design and operation of a new type of latching micromagnetic relay. The device is based on preferential magnetization of a soft magnetic cantilever in a permanent external magnetic field. Switching between two stable states is accomplished by momentarily changing the direction of the cantilever's magnetization by passing a short current pulse through a planar coil situated under the cantilever. Once the relay is switched, it is held in this nonvolatile state by the permanent external magnetic field. Latching operation has been demonstrated for devices having two different cantilever geometries and a variety of sizes. Characterization has been performed under dc and ac conditions. The minimum (lead-to-lead) resistance through the switch is approximately 50 m/spl Omega/.. The switching current and minimum switching pulse width are 79 mA and 0.2 ms, respectively. The operating voltage is about 5 V. The switching energy consumption is |
| doi_str_mv | 10.1109/84.967373 |
| format | Article |
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The device is based on preferential magnetization of a soft magnetic cantilever in a permanent external magnetic field. Switching between two stable states is accomplished by momentarily changing the direction of the cantilever's magnetization by passing a short current pulse through a planar coil situated under the cantilever. Once the relay is switched, it is held in this nonvolatile state by the permanent external magnetic field. Latching operation has been demonstrated for devices having two different cantilever geometries and a variety of sizes. Characterization has been performed under dc and ac conditions. The minimum (lead-to-lead) resistance through the switch is approximately 50 m/spl Omega/.. The switching current and minimum switching pulse width are 79 mA and 0.2 ms, respectively. The operating voltage is about 5 V. The switching energy consumption is <9.3 /spl mu/J.</description><identifier>ISSN: 1057-7157</identifier><identifier>EISSN: 1941-0158</identifier><identifier>DOI: 10.1109/84.967373</identifier><identifier>CODEN: JMIYET</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Applied sciences ; Coiling ; Coils ; Devices ; Electric potential ; Electric relays ; Energy utilization ; Exact sciences and technology ; Geometry ; Magnetic devices ; Magnetic field effects ; Magnetic fields ; Magnetic switching ; Magnetization ; Mechanical engineering. Machine design ; Micromagnetics ; Precision engineering, watch making ; Relays ; Soft magnetic materials ; Switches ; Switching ; Voltage</subject><ispartof>Journal of microelectromechanical systems, 2001-12, Vol.10 (4), p.511-517</ispartof><rights>2002 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2001</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c429t-41b16103a40c7b490eec2c4a6786b2aeb7d0082ddc7b8d55e72d10454c918e3b3</citedby><cites>FETCH-LOGICAL-c429t-41b16103a40c7b490eec2c4a6786b2aeb7d0082ddc7b8d55e72d10454c918e3b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/967373$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27923,27924,54757</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/967373$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=14113918$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Meichun Ruan</creatorcontrib><creatorcontrib>Jun Shen</creatorcontrib><creatorcontrib>Wheeler, C.B.</creatorcontrib><title>Latching micromagnetic relays</title><title>Journal of microelectromechanical systems</title><addtitle>JMEMS</addtitle><description>This paper describes the underlying principles, design and operation of a new type of latching micromagnetic relay. The device is based on preferential magnetization of a soft magnetic cantilever in a permanent external magnetic field. Switching between two stable states is accomplished by momentarily changing the direction of the cantilever's magnetization by passing a short current pulse through a planar coil situated under the cantilever. Once the relay is switched, it is held in this nonvolatile state by the permanent external magnetic field. Latching operation has been demonstrated for devices having two different cantilever geometries and a variety of sizes. Characterization has been performed under dc and ac conditions. The minimum (lead-to-lead) resistance through the switch is approximately 50 m/spl Omega/.. The switching current and minimum switching pulse width are 79 mA and 0.2 ms, respectively. The operating voltage is about 5 V. The switching energy consumption is <9.3 /spl mu/J.</description><subject>Applied sciences</subject><subject>Coiling</subject><subject>Coils</subject><subject>Devices</subject><subject>Electric potential</subject><subject>Electric relays</subject><subject>Energy utilization</subject><subject>Exact sciences and technology</subject><subject>Geometry</subject><subject>Magnetic devices</subject><subject>Magnetic field effects</subject><subject>Magnetic fields</subject><subject>Magnetic switching</subject><subject>Magnetization</subject><subject>Mechanical engineering. Machine design</subject><subject>Micromagnetics</subject><subject>Precision engineering, watch making</subject><subject>Relays</subject><subject>Soft magnetic materials</subject><subject>Switches</subject><subject>Switching</subject><subject>Voltage</subject><issn>1057-7157</issn><issn>1941-0158</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqF0UtLAzEUBeAgCtbqwq0gFEHFxdTcyc1rKcUXFNzoOmQyaZ0yj5q0i_57U6YouLCrBO6XQziXkHOgYwCq7xWOtZBMsgMyAI2QUeDqMN0pl5kELo_JSYwLSgFRiQG5nNqV-6za-aipXOgaO2_9qnKj4Gu7iafkaGbr6M9255B8PD2-T16y6dvz6-RhmjnM9SpDKEAAZRapkwVq6r3LHVohlShy6wtZUqryskxTVXLuZV4CRY5Og_KsYENy2-cuQ_e19nFlmio6X9e29d06Gg0ouADQe6VElFTxVMCQ3Pwrc8WEEhT3QyGlUEokePUHLrp1aFMxRmsGWkux_eBdj1KbMQY_M8tQNTZsDFCzXZFRaPoVJXu9C7TR2XoWbOuq-PsAAVhqKLmL3lXe-5_xLuQbbq6Uzg</recordid><startdate>20011201</startdate><enddate>20011201</enddate><creator>Meichun Ruan</creator><creator>Jun Shen</creator><creator>Wheeler, C.B.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>RIA</scope><scope>RIE</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7TB</scope><scope>7U5</scope><scope>8FD</scope><scope>FR3</scope><scope>L7M</scope><scope>H8D</scope><scope>7TC</scope><scope>F28</scope></search><sort><creationdate>20011201</creationdate><title>Latching micromagnetic relays</title><author>Meichun Ruan ; Jun Shen ; Wheeler, C.B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c429t-41b16103a40c7b490eec2c4a6786b2aeb7d0082ddc7b8d55e72d10454c918e3b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Applied sciences</topic><topic>Coiling</topic><topic>Coils</topic><topic>Devices</topic><topic>Electric potential</topic><topic>Electric relays</topic><topic>Energy utilization</topic><topic>Exact sciences and technology</topic><topic>Geometry</topic><topic>Magnetic devices</topic><topic>Magnetic field effects</topic><topic>Magnetic fields</topic><topic>Magnetic switching</topic><topic>Magnetization</topic><topic>Mechanical engineering. Machine design</topic><topic>Micromagnetics</topic><topic>Precision engineering, watch making</topic><topic>Relays</topic><topic>Soft magnetic materials</topic><topic>Switches</topic><topic>Switching</topic><topic>Voltage</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Meichun Ruan</creatorcontrib><creatorcontrib>Jun Shen</creatorcontrib><creatorcontrib>Wheeler, C.B.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Aerospace Database</collection><collection>Mechanical Engineering Abstracts</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><jtitle>Journal of microelectromechanical systems</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Meichun Ruan</au><au>Jun Shen</au><au>Wheeler, C.B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Latching micromagnetic relays</atitle><jtitle>Journal of microelectromechanical systems</jtitle><stitle>JMEMS</stitle><date>2001-12-01</date><risdate>2001</risdate><volume>10</volume><issue>4</issue><spage>511</spage><epage>517</epage><pages>511-517</pages><issn>1057-7157</issn><eissn>1941-0158</eissn><coden>JMIYET</coden><abstract>This paper describes the underlying principles, design and operation of a new type of latching micromagnetic relay. The device is based on preferential magnetization of a soft magnetic cantilever in a permanent external magnetic field. Switching between two stable states is accomplished by momentarily changing the direction of the cantilever's magnetization by passing a short current pulse through a planar coil situated under the cantilever. Once the relay is switched, it is held in this nonvolatile state by the permanent external magnetic field. Latching operation has been demonstrated for devices having two different cantilever geometries and a variety of sizes. Characterization has been performed under dc and ac conditions. The minimum (lead-to-lead) resistance through the switch is approximately 50 m/spl Omega/.. The switching current and minimum switching pulse width are 79 mA and 0.2 ms, respectively. The operating voltage is about 5 V. The switching energy consumption is <9.3 /spl mu/J.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/84.967373</doi><tpages>7</tpages></addata></record> |
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| ispartof | Journal of microelectromechanical systems, 2001-12, Vol.10 (4), p.511-517 |
| issn | 1057-7157 1941-0158 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Applied sciences Coiling Coils Devices Electric potential Electric relays Energy utilization Exact sciences and technology Geometry Magnetic devices Magnetic field effects Magnetic fields Magnetic switching Magnetization Mechanical engineering. Machine design Micromagnetics Precision engineering, watch making Relays Soft magnetic materials Switches Switching Voltage |
| title | Latching micromagnetic relays |
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