ATE298920T1 - Magnetische mehrfachschichten mit reduzierter magnetostriktion - Google Patents
Magnetische mehrfachschichten mit reduzierter magnetostriktionInfo
- Publication number
- ATE298920T1 ATE298920T1 AT02706969T AT02706969T ATE298920T1 AT E298920 T1 ATE298920 T1 AT E298920T1 AT 02706969 T AT02706969 T AT 02706969T AT 02706969 T AT02706969 T AT 02706969T AT E298920 T1 ATE298920 T1 AT E298920T1
- Authority
- AT
- Austria
- Prior art keywords
- layers
- layer
- multiple layers
- fex
- reduced magnetostriction
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/147—Structure or manufacture of heads, e.g. inductive with cores being composed of metal sheets, i.e. laminated cores with cores composed of isolated magnetic layers, e.g. sheets
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3109—Details
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/4806—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
- G11B5/4833—Structure of the arm assembly, e.g. load beams, flexures, parts of the arm adapted for controlling vertical force on the head
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/4806—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
- G11B5/486—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives with provision for mounting or arranging electrical conducting means or circuits on or along the arm assembly
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/32—Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
- G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
- G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
- G11B5/00847—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on transverse tracks
- G11B5/0086—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on transverse tracks using cyclically driven heads providing segmented tracks
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nanotechnology (AREA)
- Power Engineering (AREA)
- Magnetic Heads (AREA)
- Thin Magnetic Films (AREA)
- Coils Or Transformers For Communication (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/894,193 US6760198B2 (en) | 2001-06-27 | 2001-06-27 | Magnetic multilayered films with reduced magnetostriction |
PCT/GB2002/001290 WO2003003353A1 (en) | 2001-06-27 | 2002-03-18 | Magnetic multilayered films with reduced magnetostriction |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE298920T1 true ATE298920T1 (de) | 2005-07-15 |
Family
ID=25402741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT02706969T ATE298920T1 (de) | 2001-06-27 | 2002-03-18 | Magnetische mehrfachschichten mit reduzierter magnetostriktion |
Country Status (9)
Country | Link |
---|---|
US (1) | US6760198B2 (de) |
EP (1) | EP1399920B1 (de) |
JP (1) | JP3944164B2 (de) |
KR (1) | KR100588031B1 (de) |
CN (1) | CN100419856C (de) |
AT (1) | ATE298920T1 (de) |
DE (1) | DE60204886T2 (de) |
MX (1) | MXPA03011603A (de) |
WO (1) | WO2003003353A1 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004039090A (ja) * | 2002-07-03 | 2004-02-05 | Sony Corp | 磁気ヘッド装置並びにこれを用いた磁気テープドライブ装置及び磁気ディスクドライブ装置 |
US6930863B2 (en) * | 2003-01-10 | 2005-08-16 | International Business Machines Corporation | Graded laminated thin film poles and shields for magnetic heads |
GB0302094D0 (en) | 2003-01-29 | 2003-02-26 | Pharmagene Lab Ltd | EP4 receptor antagonists |
JP2004334945A (ja) * | 2003-05-02 | 2004-11-25 | Fuji Photo Film Co Ltd | 複合型磁気ヘッド及びその製造方法 |
US7446979B2 (en) * | 2004-09-30 | 2008-11-04 | Hitachi Global Storage Technologies Netherlands B.V. | Laminated draped shield for CPP read sensors |
US7369360B2 (en) * | 2004-11-05 | 2008-05-06 | Seagate Technology Llc | Perpendicular recording head having controlled permeability and saturation moment |
US7548397B2 (en) * | 2005-11-16 | 2009-06-16 | International Business Machines Corporation | Magnetic reader with piggybacked fence |
WO2008105799A2 (en) * | 2006-07-11 | 2008-09-04 | The United States Of America, As Represented By The Secretary Of The Navy | Galfenol steel |
US7791834B2 (en) * | 2006-08-14 | 2010-09-07 | International Business Machines Corporation | Magnetic head having a ratio of back gap width to front gap width in about a defined range |
US7869163B2 (en) * | 2007-08-23 | 2011-01-11 | International Business Machines Corporation | Air bearing at opposite side of linear tape to support tape into contact with head slider |
US8259410B1 (en) | 2008-05-23 | 2012-09-04 | Western Digital (Fremont), Llc | Method and system for providing a magnetic head using a composite magnetic material in the recording transducer |
US8449948B2 (en) * | 2009-09-10 | 2013-05-28 | Western Digital (Fremont), Llc | Method and system for corrosion protection of layers in a structure of a magnetic recording transducer |
US8649124B2 (en) * | 2010-12-13 | 2014-02-11 | Seagate Technology Llc | Double shell writers |
US10100414B2 (en) * | 2012-01-30 | 2018-10-16 | General Electric Company | Surface modified magnetic material |
US8958180B1 (en) | 2013-08-28 | 2015-02-17 | HGST Netherlands, B.V. | Capping materials for magnetic read head sensor |
TW201637190A (zh) * | 2015-03-25 | 2016-10-16 | Sony Corp | 固體攝像裝置及電子機器 |
US9384764B1 (en) | 2015-06-27 | 2016-07-05 | International Business Machines Corporation | Electrically conductive magnetic shield laminate structure for contact recording sensor |
US9406319B1 (en) | 2015-06-27 | 2016-08-02 | International Business Machines Corporation | Electrically non-conductive magnetic shield laminate structure for contact recording sensor |
US9997180B1 (en) | 2017-03-22 | 2018-06-12 | International Business Machines Corporation | Hybrid dielectric gap liner and magnetic shield liner |
US10803889B2 (en) | 2019-02-21 | 2020-10-13 | International Business Machines Corporation | Apparatus with data reader sensors more recessed than servo reader sensor |
US11074930B1 (en) | 2020-05-11 | 2021-07-27 | International Business Machines Corporation | Read transducer structure having an embedded wear layer between thin and thick shield portions |
US11114117B1 (en) | 2020-05-20 | 2021-09-07 | International Business Machines Corporation | Process for manufacturing magnetic head having a servo read transducer structure with dielectric gap liner and a data read transducer structure with an embedded wear layer between thin and thick shield portions |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4242710A (en) | 1979-01-29 | 1980-12-30 | International Business Machines Corporation | Thin film head having negative magnetostriction |
US4814921A (en) * | 1984-10-17 | 1989-03-21 | Hitachi, Ltd. | Multilayered magnetic films and thin-film magnetic heads using the same as a pole |
US4897318A (en) | 1986-01-21 | 1990-01-30 | Matsushita Electric Industrial Co., Ltd. | Laminated magnetic materials |
JPH01309308A (ja) * | 1988-06-07 | 1989-12-13 | Nec Home Electron Ltd | 磁性体膜 |
NL8802873A (nl) | 1988-11-22 | 1990-06-18 | Philips Nv | Zachtmagnetische multilaagfilm en magneetkop voorzien van een dergelijke zachtmagnetische multilaagfilm. |
JP2839554B2 (ja) * | 1989-06-14 | 1998-12-16 | 株式会社日立製作所 | 磁性膜及びこれを用いた磁気ヘッド |
DE3928766A1 (de) * | 1989-08-30 | 1991-03-07 | Siemens Ag | Ferromagnetischer vielschichtfilm mit hoher saettigungsinduktion und korrosionsresistenz |
DE4004540A1 (de) * | 1990-02-14 | 1991-08-22 | Siemens Ag | Ferromagnetischer vielschichtfilm mit uniaxialer magnetischer anisotropie sowie verfahren zu dessen herstellung |
US5549978A (en) | 1992-10-30 | 1996-08-27 | Kabushiki Kaisha Toshiba | Magnetoresistance effect element |
JPH08212512A (ja) * | 1995-02-03 | 1996-08-20 | Hitachi Ltd | 磁気記憶装置及びそれに用いる薄膜磁気ヘッドとその製造方法 |
JP3520170B2 (ja) | 1996-04-02 | 2004-04-19 | Tdk株式会社 | 複合型薄膜磁気ヘッド |
US5751528A (en) | 1996-04-15 | 1998-05-12 | Read-Rite Corporation | Multilayer exchange coupled magnetic poles with approximate zero magnetostriction |
US6166891A (en) * | 1997-06-30 | 2000-12-26 | Read-Rite Corporation | Magnetoresistive sensor for high temperature environment using iridium manganese |
SG68063A1 (en) * | 1997-07-18 | 1999-10-19 | Hitachi Ltd | Magnetoresistive effect type reproducing head and magnetic disk apparatus equipped with the reproducing head |
US6163442A (en) * | 1999-03-15 | 2000-12-19 | International Business Machines Corporation | High moment bilayer first pole piece layer of a write head with high magnetic stability for promoting read signal symmetry of a read head |
JP2001015339A (ja) | 1999-06-29 | 2001-01-19 | Sumitomo Metal Ind Ltd | 軟磁性積層膜および薄膜磁気ヘッド |
US6381094B1 (en) * | 1999-07-23 | 2002-04-30 | Hardayal Singh Gill | Shield structure with a heat sink layer for dissipating heat from a read sensor |
-
2001
- 2001-06-27 US US09/894,193 patent/US6760198B2/en not_active Expired - Fee Related
-
2002
- 2002-03-18 KR KR1020037015382A patent/KR100588031B1/ko not_active IP Right Cessation
- 2002-03-18 JP JP2003509443A patent/JP3944164B2/ja not_active Expired - Fee Related
- 2002-03-18 AT AT02706969T patent/ATE298920T1/de not_active IP Right Cessation
- 2002-03-18 DE DE60204886T patent/DE60204886T2/de not_active Expired - Lifetime
- 2002-03-18 WO PCT/GB2002/001290 patent/WO2003003353A1/en active IP Right Grant
- 2002-03-18 CN CNB028127242A patent/CN100419856C/zh not_active Expired - Fee Related
- 2002-03-18 MX MXPA03011603A patent/MXPA03011603A/es active IP Right Grant
- 2002-03-18 EP EP02706969A patent/EP1399920B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN100419856C (zh) | 2008-09-17 |
MXPA03011603A (es) | 2004-04-05 |
EP1399920A1 (de) | 2004-03-24 |
WO2003003353A1 (en) | 2003-01-09 |
JP2004531087A (ja) | 2004-10-07 |
KR100588031B1 (ko) | 2006-06-09 |
DE60204886D1 (de) | 2005-08-04 |
CN1529883A (zh) | 2004-09-15 |
DE60204886T2 (de) | 2006-04-27 |
US6760198B2 (en) | 2004-07-06 |
JP3944164B2 (ja) | 2007-07-11 |
KR20040015718A (ko) | 2004-02-19 |
US20030002227A1 (en) | 2003-01-02 |
EP1399920B1 (de) | 2005-06-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |