JP2004342164A5 - - Google Patents
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- 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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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)
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)
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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2003
- 2003-05-13 JP JP2003134660A patent/JP4215198B2/ja not_active Expired - Fee Related
- 2003-10-28 US US10/693,886 patent/US7054105B2/en not_active Expired - Fee Related
- 2003-10-30 CN CNB200310102948XA patent/CN100382144C/zh not_active Expired - Fee Related
- 2003-10-30 SG SG200306452-4A patent/SG139523A1/en unknown