JP2004342164A5 - - Google Patents

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Publication number
JP2004342164A5
JP2004342164A5 JP2003134660A JP2003134660A JP2004342164A5 JP 2004342164 A5 JP2004342164 A5 JP 2004342164A5 JP 2003134660 A JP2003134660 A JP 2003134660A JP 2003134660 A JP2003134660 A JP 2003134660A JP 2004342164 A5 JP2004342164 A5 JP 2004342164A5
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JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2003134660A
Other versions
JP4215198B2 (ja
JP2004342164A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2003134660A priority Critical patent/JP4215198B2/ja
Priority claimed from JP2003134660A external-priority patent/JP4215198B2/ja
Priority to US10/693,886 priority patent/US7054105B2/en
Priority to SG200306452-4A priority patent/SG139523A1/en
Priority to CNB200310102948XA priority patent/CN100382144C/zh
Publication of JP2004342164A publication Critical patent/JP2004342164A/ja
Publication of JP2004342164A5 publication Critical patent/JP2004342164A5/ja
Application granted granted Critical
Publication of JP4215198B2 publication Critical patent/JP4215198B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2003134660A 2003-05-13 2003-05-13 磁気ヘッド及びそれを搭載した磁気ディスク装置 Expired - Fee Related JP4215198B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2003134660A JP4215198B2 (ja) 2003-05-13 2003-05-13 磁気ヘッド及びそれを搭載した磁気ディスク装置
US10/693,886 US7054105B2 (en) 2003-05-13 2003-10-28 Magnetic recording head for perpendicular recording and including a portion protruding toward a mail pole and magnetic disc storage apparatus mounting the magnetic head
SG200306452-4A SG139523A1 (en) 2003-05-13 2003-10-30 Magnetic recording head and magnetic disc storage apparatus mounting the magnetic head
CNB200310102948XA CN100382144C (zh) 2003-05-13 2003-10-30 磁记录磁头和安装所述磁头的磁盘存储设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003134660A JP4215198B2 (ja) 2003-05-13 2003-05-13 磁気ヘッド及びそれを搭載した磁気ディスク装置

Publications (3)

Publication Number Publication Date
JP2004342164A JP2004342164A (ja) 2004-12-02
JP2004342164A5 true JP2004342164A5 (ja) 2006-04-20
JP4215198B2 JP4215198B2 (ja) 2009-01-28

Family

ID=33410680

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003134660A Expired - Fee Related JP4215198B2 (ja) 2003-05-13 2003-05-13 磁気ヘッド及びそれを搭載した磁気ディスク装置

Country Status (4)

Country Link
US (1) US7054105B2 (ja)
JP (1) JP4215198B2 (ja)
CN (1) CN100382144C (ja)
SG (1) SG139523A1 (ja)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4160784B2 (ja) * 2002-05-31 2008-10-08 株式会社日立グローバルストレージテクノロジーズ 垂直磁気ヘッドおよび垂直磁気記録再生装置
JP2005018851A (ja) 2003-06-24 2005-01-20 Tdk Corp 薄膜磁気ヘッドおよび磁気記録装置
US7120989B2 (en) * 2004-02-18 2006-10-17 Headway Technologies, Inc. Process of manufacturing a perpendicular magnetic pole structure
US7310202B2 (en) * 2004-03-25 2007-12-18 Seagate Technology Llc Magnetic recording head with clad coil
US7580222B2 (en) * 2004-06-18 2009-08-25 Headway Technologies, Inc. Thin-film magnetic head, a head gimbal assembly and hard disk drive
US7440229B2 (en) * 2004-06-18 2008-10-21 Headway Technologies, Inc. Thin-film magnetic head having a write shield layer
JP2007035082A (ja) * 2005-07-22 2007-02-08 Hitachi Global Storage Technologies Netherlands Bv 垂直記録用磁気ヘッド及びその製造方法
KR100682951B1 (ko) * 2005-08-13 2007-02-15 삼성전자주식회사 수직 자기 헤드
JP2007220231A (ja) 2006-02-17 2007-08-30 Alps Electric Co Ltd 垂直磁気記録ヘッド及びその製造方法
US7969684B2 (en) * 2006-03-28 2011-06-28 Hitachi Global Storage Technologies Netherlands B.V. Write head design and method for reducing adjacent track interference at very narrow track widths
US7821736B2 (en) * 2006-04-06 2010-10-26 Hitachi Global Storage Technologies Netherlands, B.V. Shaped trailing shield of a perpendicular recording write element
US7554764B2 (en) * 2006-04-07 2009-06-30 Hitachi Global Storage Technologies Netherlands B.V. Lift-off method for forming write pole of a magnetic write head and write pole formed thereby
US7804662B2 (en) * 2006-12-26 2010-09-28 Hitachi Global Storage Technologies Netherlands B.V. Perpendicular magnetic recording head including wrap around shield with notched top write gap and method of fabricating the same
US7876531B2 (en) * 2007-01-09 2011-01-25 Seagate Technology Llc Virtual front shield writer
US7983002B2 (en) * 2007-06-26 2011-07-19 Seagate Technology Llc Wire-assisted magnetic write device with a gapped trailing shield
US8089724B2 (en) * 2008-05-19 2012-01-03 Seagate Technology Llc Self-aligned perpendicular writer pole and front shield
US8289648B2 (en) * 2009-02-20 2012-10-16 Seagate Technology Llc Magnetic recording head with layered structure in write gap
US8472136B2 (en) * 2009-07-13 2013-06-25 Seagate Technology Llc Write pole with a synthesized low magnetization shield
US8842389B2 (en) * 2009-10-26 2014-09-23 Headway Technologies, Inc. Wrap-around shielded writer with highly homogeneous shield material
US20110116195A1 (en) * 2009-11-19 2011-05-19 Seagate Technology Llc Magnetic write head design using permanent magnets and exchange spring mechanism
JP2012150863A (ja) 2011-01-18 2012-08-09 Toshiba Corp 記録ヘッド、およびこれを備えたディスク装置
JP2016031774A (ja) 2014-07-30 2016-03-07 株式会社東芝 磁気記録ヘッド及び磁気記録再生装置
JP6145124B2 (ja) * 2015-03-26 2017-06-07 株式会社東芝 磁気記録ヘッド及び磁気記録再生装置
US10049694B2 (en) * 2016-08-11 2018-08-14 Carnegie Mellon University Heat-assisted magnetic recording head having a non-uniform air-bearing surface
JP2021044031A (ja) * 2019-09-06 2021-03-18 株式会社東芝 磁気ヘッドおよびこれを備えるディスク装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4656546A (en) 1985-01-22 1987-04-07 Digital Equipment Corporation Vertical magnetic recording arrangement
JPH01224908A (ja) * 1988-03-03 1989-09-07 Fujitsu Ltd 垂直記録用薄膜滋気ヘッド
JPH10241117A (ja) * 1997-02-24 1998-09-11 Fujitsu Ltd 単層磁性膜垂直磁化媒体用記録ヘッド
JP2000315302A (ja) * 1999-05-06 2000-11-14 Read Rite Smi Kk 複合型薄膜磁気ヘッド
US6771462B1 (en) * 1999-09-20 2004-08-03 Seagate Technology Llc Perpendicular recording head including concave tip
JP2001101612A (ja) * 1999-09-30 2001-04-13 Toshiba Corp 磁気ヘッド及び磁気記録装置
JP2001256608A (ja) * 2000-03-14 2001-09-21 Toshiba Corp 磁気ヘッド及び磁気記憶再生装置
US6710973B2 (en) * 2000-09-18 2004-03-23 Hitachi, Ltd. Single pole type recording head including tapered edges
JP2002092820A (ja) 2000-09-20 2002-03-29 Toshiba Corp 垂直記録用磁気ヘッドおよび磁気ディスク装置
JP2002100001A (ja) * 2000-09-25 2002-04-05 Toshiba Corp 垂直記録ヘッドおよび垂直記録磁気ディスク装置
JP4130868B2 (ja) * 2001-03-19 2008-08-06 株式会社日立グローバルストレージテクノロジーズ 垂直記録用磁気ヘッド及びそれを搭載した磁気ディスク装置
US20020171975A1 (en) * 2001-05-15 2002-11-21 Plumer Martin L. Writing element with no return path
JP4673508B2 (ja) * 2001-06-29 2011-04-20 株式会社日立グローバルストレージテクノロジーズ 磁気ヘッド及び磁気ディスク装置
JP2003036503A (ja) * 2001-07-24 2003-02-07 Hitachi Ltd 垂直記録用磁気ヘッド及びそれを搭載した磁気ディスク装置
JP3799322B2 (ja) * 2002-11-15 2006-07-19 株式会社日立グローバルストレージテクノロジーズ 磁気ディスク装置

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