A PZT micro-actuated suspension for high TPI hard disk servo systems
A piezoelectrically actuated suspension for high TPI (tracks per inch) hard disk drives is presented. Two reinforced piezoelectric microactuators, placed in parallel between the base plate and the spring beam, are used for the secondary actuation. A stroke of 1.2 /spl mu/m at the head was observed w...
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| Veröffentlicht in: | IEEE transactions on magnetics 2000-09, Vol.36 (5), p.2241-2243 |
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| container_title | IEEE transactions on magnetics |
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| creator | Yimin Niu Wei Guo Guoxiao Guo Eng Hong Ong Sivadasan, K.K. Huang, T. |
| description | A piezoelectrically actuated suspension for high TPI (tracks per inch) hard disk drives is presented. Two reinforced piezoelectric microactuators, placed in parallel between the base plate and the spring beam, are used for the secondary actuation. A stroke of 1.2 /spl mu/m at the head was observed when driven by 30 V. The first torsion and the sway mode frequencies are 6.28 kHz and 10.5 kHz, respectively. In addition, the actuated suspension also has some distinguishing features such as, a C-channel and meanderline springs for shock-resistance enhancement. A possible vertical motion of the suspension is helpful for contact-start-stop (CSS) friction reduction and gramload adjustment. It also makes the suspension free from twist due to two layers of piezoelectric plates on both sides of the beam. As a result, the developed actuated suspension can be used to support high TPI hard disk drive servo systems. |
| doi_str_mv | 10.1109/20.908377 |
| format | Article |
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Two reinforced piezoelectric microactuators, placed in parallel between the base plate and the spring beam, are used for the secondary actuation. A stroke of 1.2 /spl mu/m at the head was observed when driven by 30 V. The first torsion and the sway mode frequencies are 6.28 kHz and 10.5 kHz, respectively. In addition, the actuated suspension also has some distinguishing features such as, a C-channel and meanderline springs for shock-resistance enhancement. A possible vertical motion of the suspension is helpful for contact-start-stop (CSS) friction reduction and gramload adjustment. It also makes the suspension free from twist due to two layers of piezoelectric plates on both sides of the beam. As a result, the developed actuated suspension can be used to support high TPI hard disk drive servo systems.</description><identifier>ISSN: 0018-9464</identifier><identifier>EISSN: 1941-0069</identifier><identifier>DOI: 10.1109/20.908377</identifier><identifier>CODEN: IEMGAQ</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Applied sciences ; Beams (structural) ; Cascading style sheets ; Disk drives ; Electric shock ; Electronics ; Exact sciences and technology ; Friction ; Friction reduction ; Hard disks ; Magnetic devices ; Magnetic heads ; Magnetic levitation ; Magnetism ; Memory ; Microactuators ; Other magnetic recording and storage devices (including tapes, disks, and drums) ; Piezoelectricity ; Semiconductor electronics. Microelectronics. Optoelectronics. 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(IEEE) 2000</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c395t-76c8ed8464e7eb2eeb9fc23e5f2de226a66432f7090cfa2b80f42687a8b8d92b3</citedby><cites>FETCH-LOGICAL-c395t-76c8ed8464e7eb2eeb9fc23e5f2de226a66432f7090cfa2b80f42687a8b8d92b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/908377$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,314,777,781,786,787,793,23911,23912,25121,27905,27906,54739</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/908377$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=945643$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Yimin Niu</creatorcontrib><creatorcontrib>Wei Guo</creatorcontrib><creatorcontrib>Guoxiao Guo</creatorcontrib><creatorcontrib>Eng Hong Ong</creatorcontrib><creatorcontrib>Sivadasan, K.K.</creatorcontrib><creatorcontrib>Huang, T.</creatorcontrib><title>A PZT micro-actuated suspension for high TPI hard disk servo systems</title><title>IEEE transactions on magnetics</title><addtitle>TMAG</addtitle><description>A piezoelectrically actuated suspension for high TPI (tracks per inch) hard disk drives is presented. Two reinforced piezoelectric microactuators, placed in parallel between the base plate and the spring beam, are used for the secondary actuation. A stroke of 1.2 /spl mu/m at the head was observed when driven by 30 V. The first torsion and the sway mode frequencies are 6.28 kHz and 10.5 kHz, respectively. In addition, the actuated suspension also has some distinguishing features such as, a C-channel and meanderline springs for shock-resistance enhancement. A possible vertical motion of the suspension is helpful for contact-start-stop (CSS) friction reduction and gramload adjustment. It also makes the suspension free from twist due to two layers of piezoelectric plates on both sides of the beam. As a result, the developed actuated suspension can be used to support high TPI hard disk drive servo systems.</description><subject>Applied sciences</subject><subject>Beams (structural)</subject><subject>Cascading style sheets</subject><subject>Disk drives</subject><subject>Electric shock</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Friction</subject><subject>Friction reduction</subject><subject>Hard disks</subject><subject>Magnetic devices</subject><subject>Magnetic heads</subject><subject>Magnetic levitation</subject><subject>Magnetism</subject><subject>Memory</subject><subject>Microactuators</subject><subject>Other magnetic recording and storage devices (including tapes, disks, and drums)</subject><subject>Piezoelectricity</subject><subject>Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices</subject><subject>Servomechanisms</subject><subject>Springs</subject><subject>Springs (elastic)</subject><subject>Torsion</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqF0UlLxDAUB_AgCo7LwaunoKB4qCZpmuUo7iDoYbx4KWn64lRn2jGvFfz2RioKHvQUQn758xZCdjg75pzZE8GOLTO51itkwq3kGWPKrpIJY9xkViq5TjYQn9NVFpxNyPkpvX-c0kXjY5c53w-uh5rigEtoselaGrpIZ83TjE7vb-jMxZrWDb5QhPjWUXzHHha4RdaCmyNsf52b5OHyYnp2nd3eXd2cnd5mPrdFn2nlDdQmFQEaKgFQ2eBFDkUQNQihnFIyF0Ezy3xwojIsSKGMdqYytRVVvkkOx9xl7F4HwL5cNOhhPnctdAOWlkuVC2lMkgd_SmGKXGoj_oeKyVSUTnDvF3zuhtimdktjCm41kzahoxGlaSJGCOUyNgsX30vOys_9lIKV436S3f8KdOjdPETX-ga_P1hZpGkktTuqBgB-HseID1yKlMs</recordid><startdate>20000901</startdate><enddate>20000901</enddate><creator>Yimin Niu</creator><creator>Wei Guo</creator><creator>Guoxiao Guo</creator><creator>Eng Hong Ong</creator><creator>Sivadasan, K.K.</creator><creator>Huang, T.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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Microelectronics. Optoelectronics. Solid state devices</topic><topic>Servomechanisms</topic><topic>Springs</topic><topic>Springs (elastic)</topic><topic>Torsion</topic><toplevel>online_resources</toplevel><creatorcontrib>Yimin Niu</creatorcontrib><creatorcontrib>Wei Guo</creatorcontrib><creatorcontrib>Guoxiao Guo</creatorcontrib><creatorcontrib>Eng Hong Ong</creatorcontrib><creatorcontrib>Sivadasan, K.K.</creatorcontrib><creatorcontrib>Huang, T.</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>Yimin Niu</au><au>Wei Guo</au><au>Guoxiao Guo</au><au>Eng Hong Ong</au><au>Sivadasan, K.K.</au><au>Huang, T.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A PZT micro-actuated suspension for high TPI hard disk servo systems</atitle><jtitle>IEEE transactions on magnetics</jtitle><stitle>TMAG</stitle><date>2000-09-01</date><risdate>2000</risdate><volume>36</volume><issue>5</issue><spage>2241</spage><epage>2243</epage><pages>2241-2243</pages><issn>0018-9464</issn><eissn>1941-0069</eissn><coden>IEMGAQ</coden><abstract>A piezoelectrically actuated suspension for high TPI (tracks per inch) hard disk drives is presented. Two reinforced piezoelectric microactuators, placed in parallel between the base plate and the spring beam, are used for the secondary actuation. A stroke of 1.2 /spl mu/m at the head was observed when driven by 30 V. The first torsion and the sway mode frequencies are 6.28 kHz and 10.5 kHz, respectively. In addition, the actuated suspension also has some distinguishing features such as, a C-channel and meanderline springs for shock-resistance enhancement. A possible vertical motion of the suspension is helpful for contact-start-stop (CSS) friction reduction and gramload adjustment. It also makes the suspension free from twist due to two layers of piezoelectric plates on both sides of the beam. As a result, the developed actuated suspension can be used to support high TPI hard disk drive servo systems.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/20.908377</doi><tpages>3</tpages></addata></record> |
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| ispartof | IEEE transactions on magnetics, 2000-09, Vol.36 (5), p.2241-2243 |
| issn | 0018-9464 1941-0069 |
| language | eng |
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| subjects | Applied sciences Beams (structural) Cascading style sheets Disk drives Electric shock Electronics Exact sciences and technology Friction Friction reduction Hard disks Magnetic devices Magnetic heads Magnetic levitation Magnetism Memory Microactuators Other magnetic recording and storage devices (including tapes, disks, and drums) Piezoelectricity Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Servomechanisms Springs Springs (elastic) Torsion |
| title | A PZT micro-actuated suspension for high TPI hard disk servo systems |
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