JP2002216325A5 - - Google Patents
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- JP2002216325A5 JP2002216325A5 JP2001008432A JP2001008432A JP2002216325A5 JP 2002216325 A5 JP2002216325 A5 JP 2002216325A5 JP 2001008432 A JP2001008432 A JP 2001008432A JP 2001008432 A JP2001008432 A JP 2001008432A JP 2002216325 A5 JP2002216325 A5 JP 2002216325A5
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- Japan
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Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001008432A JP2002216325A (ja) | 2001-01-17 | 2001-01-17 | 複合型磁気ヘッド、これを用いた磁気ディスク装置及び磁気ディスク装置の制御方法 |
| US09/956,977 US6765740B2 (en) | 2001-01-17 | 2001-09-21 | Composite magnetic head, magnetic disk drive using the head, and control method for the magnetic disk |
| US09/956,976 US6816344B2 (en) | 2001-01-17 | 2001-09-21 | Composite magnetic head arranged so the reproducing elements do not overlap a pole of a recording element |
| US10/964,698 US7271970B2 (en) | 2001-01-17 | 2004-10-15 | Composite magnetic head arranged so the reproducing elements do not overlap a pole of a recording element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001008432A JP2002216325A (ja) | 2001-01-17 | 2001-01-17 | 複合型磁気ヘッド、これを用いた磁気ディスク装置及び磁気ディスク装置の制御方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002216325A JP2002216325A (ja) | 2002-08-02 |
| JP2002216325A5 true JP2002216325A5 (enExample) | 2008-02-07 |
Family
ID=18876051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001008432A Pending JP2002216325A (ja) | 2001-01-17 | 2001-01-17 | 複合型磁気ヘッド、これを用いた磁気ディスク装置及び磁気ディスク装置の制御方法 |
Country Status (2)
| Country | Link |
|---|---|
| US (3) | US6765740B2 (enExample) |
| JP (1) | JP2002216325A (enExample) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7562285B2 (en) | 2006-01-11 | 2009-07-14 | Rambus Inc. | Unidirectional error code transfer for a bidirectional data link |
| US20070271495A1 (en) * | 2006-05-18 | 2007-11-22 | Ian Shaeffer | System to detect and identify errors in control information, read data and/or write data |
| US8352805B2 (en) | 2006-05-18 | 2013-01-08 | Rambus Inc. | Memory error detection |
| JP2008198326A (ja) * | 2007-01-17 | 2008-08-28 | Hitachi Ltd | 磁気ヘッドおよびこれを搭載した磁気ディスク装置 |
| US8139301B1 (en) | 2009-07-22 | 2012-03-20 | Western Digital (Fremont), Llc | Disk drive comprising a dual read element and delay circuitry to improve read signal |
| US8508880B2 (en) | 2011-02-16 | 2013-08-13 | Seagate Technology Llc | Transducer head with multiple read sensors |
| US8711517B2 (en) | 2012-04-27 | 2014-04-29 | Seagate Technology Llc | Two dimensional magnetic sensor immune to skew angle misalignment |
| US8913345B1 (en) * | 2012-08-29 | 2014-12-16 | Marvell International Ltd. | System and method for reading data from a magnetic medium by utilizing plural read sensors which define an effective read width |
| US20140177102A1 (en) | 2012-12-21 | 2014-06-26 | Seagate Technology Llc | Multi-reader method and apparatus |
| JP2014207039A (ja) * | 2013-04-12 | 2014-10-30 | 昭和電工株式会社 | 磁気ヘッド、磁気記憶装置及び磁気記憶装置の製造方法 |
| US9431039B1 (en) | 2013-05-21 | 2016-08-30 | Western Digital (Fremont), Llc | Multiple sensor array usable in two-dimensional magnetic recording |
| US8891207B1 (en) | 2013-06-07 | 2014-11-18 | Western Digital (Fremont), Llc | Connection schemes for a multiple sensor array usable in two-dimensional magnetic recording |
| US9147431B2 (en) | 2013-08-06 | 2015-09-29 | Seagate Technology Llc | Multi-sensor data transducer |
| US8908333B1 (en) | 2013-08-13 | 2014-12-09 | Western Digital (Fremont), Llc | Shield designed for middle shields in a multiple sensor array |
| US9431032B1 (en) | 2013-08-14 | 2016-08-30 | Western Digital (Fremont), Llc | Electrical connection arrangement for a multiple sensor array usable in two-dimensional magnetic recording |
| US9135935B1 (en) | 2013-10-11 | 2015-09-15 | Western Digital Technologies, Inc. | Customized head gimbal assembly bonding skew angle for adjusting two-dimensional magnetic recording reader alignment |
| US9042058B1 (en) | 2013-10-17 | 2015-05-26 | Western Digital Technologies, Inc. | Shield designed for middle shields in a multiple sensor array |
| US8988812B1 (en) | 2013-11-27 | 2015-03-24 | Western Digital (Fremont), Llc | Multi-sensor array configuration for a two-dimensional magnetic recording (TDMR) operation |
| US9257145B1 (en) | 2013-11-27 | 2016-02-09 | Western Digital Technologies, Inc. | Disk drive measuring down-track spacing of read sensors |
| US8988802B1 (en) * | 2013-12-09 | 2015-03-24 | Seagate Technology Llc | Requirement relaxation for multiple readers in presence of large skew angle range |
| US8970988B1 (en) | 2013-12-31 | 2015-03-03 | Western Digital (Fremont), Llc | Electric gaps and method for making electric gaps for multiple sensor arrays |
| US9070406B1 (en) | 2014-03-10 | 2015-06-30 | Western Digital Technologies, Inc. | Disk drive configuring one-dimensional and two-dimensional recording areas based on read element spacing |
| US9245556B2 (en) | 2014-03-10 | 2016-01-26 | Western Digital Technologies, Inc. | Disk drive employing multiple read elements to increase radial band for two-dimensional magnetic recording |
| US9305596B2 (en) | 2014-03-28 | 2016-04-05 | Seagate Technology Llc | Multi-sensor media defect scan |
| US9053727B1 (en) | 2014-06-02 | 2015-06-09 | Western Digital Technologies, Inc. | Disk drive opening spiral crossing window based on DC and AC spiral track error |
| US9013824B1 (en) | 2014-06-04 | 2015-04-21 | Western Digital Technologies, Inc. | Data storage device comprising dual read sensors and dual servo channels to improve servo demodulation |
| US9099125B1 (en) * | 2014-10-14 | 2015-08-04 | HGST Netherlands B.V. | Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor structure with stacked sensors for minimization of the effect of head skew |
| US9087527B1 (en) | 2014-10-28 | 2015-07-21 | Western Digital (Fremont), Llc | Apparatus and method for middle shield connection in magnetic recording transducers |
| US9786301B1 (en) | 2014-12-02 | 2017-10-10 | Western Digital (Fremont), Llc | Apparatuses and methods for providing thin shields in a multiple sensor array |
| US9373355B1 (en) | 2015-01-30 | 2016-06-21 | Seagate Technology Llc | Compensating for interference via a multi-reader system |
| CN111819547B (zh) | 2018-03-26 | 2025-02-07 | 拉姆伯斯公司 | 命令/地址通道错误检测 |
| JP7516128B2 (ja) | 2020-06-23 | 2024-07-16 | 株式会社東芝 | 磁気ディスク装置及びリード処理方法 |
| US11600296B1 (en) * | 2021-12-22 | 2023-03-07 | Kaizhong Gao | Composite hard disk drive |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01139619A (ja) | 1987-11-26 | 1989-06-01 | Kansai Paint Co Ltd | 光重合性組成物 |
| US5065483A (en) * | 1991-02-19 | 1991-11-19 | International Business Machines Corporation | Method of lapping magnetic recording heads |
| JPH04370511A (ja) * | 1991-06-20 | 1992-12-22 | Matsushita Electric Ind Co Ltd | 積層型磁気抵抗ヘッド |
| US5212611A (en) * | 1991-07-16 | 1993-05-18 | Storage Technology Corporation | Integral read/write recording head with dual gap dimension |
| JPH05166137A (ja) * | 1991-12-16 | 1993-07-02 | Hitachi Ltd | 磁気ヘッドおよび記録再生装置 |
| US5444589A (en) * | 1993-12-02 | 1995-08-22 | International Business Machines Corporation | Rotary actuator disk drive with identical dual-element read/write transducers |
| JPH10501091A (ja) * | 1995-03-24 | 1998-01-27 | フィリップス エレクトロニクス ネムローゼ フェンノートシャップ | 磁気ヘッドと磁気ヘッドの位置を制御するシステム |
| KR100199191B1 (ko) * | 1995-05-10 | 1999-06-15 | 윤종용 | 두개의 헤드 짐벌 어셈블리를 가지는 디스크 구동 기록장치 및 헤드스위칭제어 방법 |
| JPH09102101A (ja) * | 1995-07-31 | 1997-04-15 | Toshiba Corp | 磁気記録再生装置及び磁気記録再生装置に適用する磁気ヘッド装置 |
| JP3520170B2 (ja) * | 1996-04-02 | 2004-04-19 | Ｔｄｋ株式会社 | 複合型薄膜磁気ヘッド |
| JPH10149519A (ja) | 1996-11-15 | 1998-06-02 | Read Rite S M I Kk | 複合形薄膜磁気ヘッド |
| US6111708A (en) * | 1996-12-11 | 2000-08-29 | Tecmar Technologies, Inc. | Apparatus and method for detecting read/write gap failure and switching to an alternative read/write gap |
| US5963400A (en) * | 1997-02-21 | 1999-10-05 | Storage Technology Corporation | Thin film tape head including split top pole |
| JPH1139619A (ja) | 1997-07-22 | 1999-02-12 | Hitachi Ltd | 磁気ヘッド及びそれを用いた磁気ディスク装置 |
| US6157510A (en) * | 1998-03-10 | 2000-12-05 | Maxtor Corporation | Magnetic storage device with multiple read elements which are offset laterally and longitudinally |
| US6195230B1 (en) * | 1998-04-27 | 2001-02-27 | Intel Corporation | Disk head assembly with multiple read and/or write transducers for improved performance |
| US6362934B1 (en) * | 1999-03-24 | 2002-03-26 | Storage Technology Corporation | Highly aligned thin film tape head and method of making same |
| JP2000339638A (ja) * | 1999-05-24 | 2000-12-08 | Matsushita Electric Ind Co Ltd | 薄膜磁気ヘッドとそのスライダ及び磁気記録再生装置 |
| JP2001143218A (ja) * | 1999-11-18 | 2001-05-25 | Hitachi Ltd | 磁気ヘッド及びこれを用いた磁気ディスク装置 |
| US6469875B1 (en) * | 2000-03-15 | 2002-10-22 | Headway Technologies, Inc. | Stitched write head design having a sunken shared pole |
| JP2001331909A (ja) * | 2000-05-23 | 2001-11-30 | Tdk Corp | 薄膜磁気ヘッドおよびその製造方法 |
| US6646830B2 (en) * | 2001-06-07 | 2003-11-11 | International Business Machines Corporation | Monolithic magnetic read-while-write head apparatus and method of manufacture |
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2001
- 2001-01-17 JP JP2001008432A patent/JP2002216325A/ja active Pending
- 2001-09-21 US US09/956,977 patent/US6765740B2/en not_active Expired - Fee Related
- 2001-09-21 US US09/956,976 patent/US6816344B2/en not_active Expired - Fee Related
-
2004
- 2004-10-15 US US10/964,698 patent/US7271970B2/en not_active Expired - Fee Related