Lumped-element RC model for high-data-rate thin-film heads
We have developed a lumped-element model for a thin-film giant magnetoresistive head with an inductive writer and used it to study the effect on the data rate capability. Our work shows that the reader can be approximated well by a resistor (R/sub eff/) and a capacitor (C/sub eff/) in parallel. The...
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Veröffentlicht in: | IEEE transactions on magnetics 2003-03, Vol.39 (2), p.1053-1058 |
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creator | Dimitrov, D.V. Rea, C. Klarqvist, K. Subramanian, K. Mack, A. |
description | We have developed a lumped-element model for a thin-film giant magnetoresistive head with an inductive writer and used it to study the effect on the data rate capability. Our work shows that the reader can be approximated well by a resistor (R/sub eff/) and a capacitor (C/sub eff/) in parallel. The paper discusses the relative importance of different contributors to C/sub eff/ and addresses the effect of C/sub eff/ on the spectrum of the read-back signal and the electrical reader pulsewidth (PW50) in detail. The model predictions and spin-stand data agree reasonably well. The paper also reports on our study of the amount of writer-to-reader coupling in the transducer. Our work points out the importance of minimizing the parasitic capacitance between elements in the writer and reader and avoiding direct coupling between the writer and reader leads. |
doi_str_mv | 10.1109/TMAG.2003.808593 |
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Our work shows that the reader can be approximated well by a resistor (R/sub eff/) and a capacitor (C/sub eff/) in parallel. The paper discusses the relative importance of different contributors to C/sub eff/ and addresses the effect of C/sub eff/ on the spectrum of the read-back signal and the electrical reader pulsewidth (PW50) in detail. The model predictions and spin-stand data agree reasonably well. The paper also reports on our study of the amount of writer-to-reader coupling in the transducer. Our work points out the importance of minimizing the parasitic capacitance between elements in the writer and reader and avoiding direct coupling between the writer and reader leads.</description><identifier>ISSN: 0018-9464</identifier><identifier>EISSN: 1941-0069</identifier><identifier>DOI: 10.1109/TMAG.2003.808593</identifier><identifier>CODEN: IEMGAQ</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Applied sciences ; Approximation ; Capacitors ; Couplings ; Electronics ; Exact sciences and technology ; Giant magnetoresistance ; Information retrieval ; Joining ; Magnetic devices ; Magnetic heads ; Magnetic thin film devices: magnetic heads (magnetoresistive, inductive, etc.); domain-motion devices, etc ; Magnetism ; Mathematical models ; Parasitic capacitance ; Predictive models ; Readers ; Reinforced concrete ; Resistors ; Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices ; Space vector pulse width modulation ; Thin films ; Transducers ; Transistors</subject><ispartof>IEEE transactions on magnetics, 2003-03, Vol.39 (2), p.1053-1058</ispartof><rights>2003 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2003</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c334t-aac21b514766d8fe83a110210eff0bbaa020d4ac8f11fb61ef5067c37cddb4f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/1190068$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/1190068$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=14646861$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Dimitrov, D.V.</creatorcontrib><creatorcontrib>Rea, C.</creatorcontrib><creatorcontrib>Klarqvist, K.</creatorcontrib><creatorcontrib>Subramanian, K.</creatorcontrib><creatorcontrib>Mack, A.</creatorcontrib><title>Lumped-element RC model for high-data-rate thin-film heads</title><title>IEEE transactions on magnetics</title><addtitle>TMAG</addtitle><description>We have developed a lumped-element model for a thin-film giant magnetoresistive head with an inductive writer and used it to study the effect on the data rate capability. Our work shows that the reader can be approximated well by a resistor (R/sub eff/) and a capacitor (C/sub eff/) in parallel. The paper discusses the relative importance of different contributors to C/sub eff/ and addresses the effect of C/sub eff/ on the spectrum of the read-back signal and the electrical reader pulsewidth (PW50) in detail. The model predictions and spin-stand data agree reasonably well. The paper also reports on our study of the amount of writer-to-reader coupling in the transducer. Our work points out the importance of minimizing the parasitic capacitance between elements in the writer and reader and avoiding direct coupling between the writer and reader leads.</description><subject>Applied sciences</subject><subject>Approximation</subject><subject>Capacitors</subject><subject>Couplings</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Giant magnetoresistance</subject><subject>Information retrieval</subject><subject>Joining</subject><subject>Magnetic devices</subject><subject>Magnetic heads</subject><subject>Magnetic thin film devices: magnetic heads (magnetoresistive, inductive, etc.); domain-motion devices, etc</subject><subject>Magnetism</subject><subject>Mathematical models</subject><subject>Parasitic capacitance</subject><subject>Predictive models</subject><subject>Readers</subject><subject>Reinforced concrete</subject><subject>Resistors</subject><subject>Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices</subject><subject>Space vector pulse width modulation</subject><subject>Thin films</subject><subject>Transducers</subject><subject>Transistors</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNp9kUtrIzEMgM3SwqaP-0IvQ6Hbk7PS2OPx9FbC9gEpCyV34_HImwnzSO3Jof--DgkUeuhJCH0S0ifGfiHMEaH6s3q5f5znAGKuQReV-MFmWEnkAKo6YTMA1LySSv5kZzFuUioLhBm7W-76LTWcOuppmLLXRdaPDXWZH0O2bv-veWMny4OdKJvW7cB92_XZmmwTL9ipt12ky2M8Z6uHv6vFE1_-e3xe3C-5E0JO3FqXY12gLJVqtCctbFo4RyDvoa6thRwaaZ32iL5WSL4AVTpRuqappRfn7PYwdhvGtx3FyfRtdNR1dqBxF00FqEqNukjk72_JXAsJeVkl8PoLuBl3YUhHGK2lkEWJMkFwgFwYYwzkzTa0vQ3vBsHslZu9crNXbg7KU8vNca6NznY-2MG18bMv6VdaYeKuDlxLRJ9lrNKztPgA5gSH5g</recordid><startdate>20030301</startdate><enddate>20030301</enddate><creator>Dimitrov, D.V.</creator><creator>Rea, C.</creator><creator>Klarqvist, K.</creator><creator>Subramanian, K.</creator><creator>Mack, A.</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>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><scope>F28</scope><scope>FR3</scope></search><sort><creationdate>20030301</creationdate><title>Lumped-element RC model for high-data-rate thin-film heads</title><author>Dimitrov, D.V. ; Rea, C. ; Klarqvist, K. ; Subramanian, K. ; Mack, A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c334t-aac21b514766d8fe83a110210eff0bbaa020d4ac8f11fb61ef5067c37cddb4f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Applied sciences</topic><topic>Approximation</topic><topic>Capacitors</topic><topic>Couplings</topic><topic>Electronics</topic><topic>Exact sciences and technology</topic><topic>Giant magnetoresistance</topic><topic>Information retrieval</topic><topic>Joining</topic><topic>Magnetic devices</topic><topic>Magnetic heads</topic><topic>Magnetic thin film devices: magnetic heads (magnetoresistive, inductive, etc.); domain-motion devices, etc</topic><topic>Magnetism</topic><topic>Mathematical models</topic><topic>Parasitic capacitance</topic><topic>Predictive models</topic><topic>Readers</topic><topic>Reinforced concrete</topic><topic>Resistors</topic><topic>Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices</topic><topic>Space vector pulse width modulation</topic><topic>Thin films</topic><topic>Transducers</topic><topic>Transistors</topic><toplevel>online_resources</toplevel><creatorcontrib>Dimitrov, D.V.</creatorcontrib><creatorcontrib>Rea, C.</creatorcontrib><creatorcontrib>Klarqvist, K.</creatorcontrib><creatorcontrib>Subramanian, K.</creatorcontrib><creatorcontrib>Mack, A.</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>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><jtitle>IEEE transactions on magnetics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Dimitrov, D.V.</au><au>Rea, C.</au><au>Klarqvist, K.</au><au>Subramanian, K.</au><au>Mack, A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Lumped-element RC model for high-data-rate thin-film heads</atitle><jtitle>IEEE transactions on magnetics</jtitle><stitle>TMAG</stitle><date>2003-03-01</date><risdate>2003</risdate><volume>39</volume><issue>2</issue><spage>1053</spage><epage>1058</epage><pages>1053-1058</pages><issn>0018-9464</issn><eissn>1941-0069</eissn><coden>IEMGAQ</coden><abstract>We have developed a lumped-element model for a thin-film giant magnetoresistive head with an inductive writer and used it to study the effect on the data rate capability. Our work shows that the reader can be approximated well by a resistor (R/sub eff/) and a capacitor (C/sub eff/) in parallel. The paper discusses the relative importance of different contributors to C/sub eff/ and addresses the effect of C/sub eff/ on the spectrum of the read-back signal and the electrical reader pulsewidth (PW50) in detail. The model predictions and spin-stand data agree reasonably well. The paper also reports on our study of the amount of writer-to-reader coupling in the transducer. Our work points out the importance of minimizing the parasitic capacitance between elements in the writer and reader and avoiding direct coupling between the writer and reader leads.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TMAG.2003.808593</doi><tpages>6</tpages></addata></record> |
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subjects | Applied sciences Approximation Capacitors Couplings Electronics Exact sciences and technology Giant magnetoresistance Information retrieval Joining Magnetic devices Magnetic heads Magnetic thin film devices: magnetic heads (magnetoresistive, inductive, etc.) domain-motion devices, etc Magnetism Mathematical models Parasitic capacitance Predictive models Readers Reinforced concrete Resistors Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Space vector pulse width modulation Thin films Transducers Transistors |
title | Lumped-element RC model for high-data-rate thin-film heads |
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