JP2010250919A - 磁気記録ヘッドおよび磁気記憶装置 - Google Patents
磁気記録ヘッドおよび磁気記憶装置 Download PDFInfo
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- JP2010250919A JP2010250919A JP2009102232A JP2009102232A JP2010250919A JP 2010250919 A JP2010250919 A JP 2010250919A JP 2009102232 A JP2009102232 A JP 2009102232A JP 2009102232 A JP2009102232 A JP 2009102232A JP 2010250919 A JP2010250919 A JP 2010250919A
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- magnetic
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- magnetic recording
- recording head
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- 238000003860 storage Methods 0.000 claims description 16
- 239000010408 film Substances 0.000 description 39
- 239000000463 material Substances 0.000 description 15
- 230000005415 magnetization Effects 0.000 description 13
- 230000005381 magnetic domain Effects 0.000 description 8
- 239000000758 substrate Substances 0.000 description 7
- 239000000725 suspension Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000000696 magnetic material Substances 0.000 description 6
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- GUBSQCSIIDQXLB-UHFFFAOYSA-N cobalt platinum Chemical compound [Co].[Pt].[Pt].[Pt] GUBSQCSIIDQXLB-UHFFFAOYSA-N 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910052707 ruthenium Inorganic materials 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 3
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910052715 tantalum Inorganic materials 0.000 description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 3
- 229910019236 CoFeB Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 239000010702 perfluoropolyether Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910003321 CoFe Inorganic materials 0.000 description 1
- 229910000684 Cobalt-chrome Inorganic materials 0.000 description 1
- -1 NiFeB Inorganic materials 0.000 description 1
- ZDZZPLGHBXACDA-UHFFFAOYSA-N [B].[Fe].[Co] Chemical compound [B].[Fe].[Co] ZDZZPLGHBXACDA-UHFFFAOYSA-N 0.000 description 1
- VGOLXRRUPFZREF-UHFFFAOYSA-N [B].[Ni].[Fe] Chemical compound [B].[Ni].[Fe] VGOLXRRUPFZREF-UHFFFAOYSA-N 0.000 description 1
- DTJAVSFDAWLDHQ-UHFFFAOYSA-N [Cr].[Co].[Pt] Chemical compound [Cr].[Co].[Pt] DTJAVSFDAWLDHQ-UHFFFAOYSA-N 0.000 description 1
- KGWWEXORQXHJJQ-UHFFFAOYSA-N [Fe].[Co].[Ni] Chemical compound [Fe].[Co].[Ni] KGWWEXORQXHJJQ-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- FQMNUIZEFUVPNU-UHFFFAOYSA-N cobalt iron Chemical compound [Fe].[Co].[Co] FQMNUIZEFUVPNU-UHFFFAOYSA-N 0.000 description 1
- 239000010952 cobalt-chrome Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910001337 iron nitride Inorganic materials 0.000 description 1
- RNRAZTYOQURAEF-UHFFFAOYSA-N iron tantalum Chemical compound [Fe].[Fe].[Fe].[Fe].[Fe].[Fe].[Fe].[Ta].[Ta].[Ta] RNRAZTYOQURAEF-UHFFFAOYSA-N 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910003468 tantalcarbide Inorganic materials 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
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
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3109—Details
- G11B5/3116—Shaping of layers, poles or gaps for improving the form of the electrical signal transduced, e.g. for shielding, contour effect, equalizing, side flux fringing, cross talk reduction between heads or between heads and information tracks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- 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
- G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
-
- 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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/743—Patterned record carriers, wherein the magnetic recording layer is patterned into magnetic isolated data islands, e.g. discrete 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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/743—Patterned record carriers, wherein the magnetic recording layer is patterned into magnetic isolated data islands, e.g. discrete tracks
- G11B5/746—Bit Patterned record carriers, wherein each magnetic isolated data island corresponds to a bit
-
- 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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/82—Disk carriers
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Magnetic Heads (AREA)
Abstract
【解決手段】磁気記録ヘッドの一具体例は、トレーリング側の上辺75、および、上辺75に平行に延び上辺75よりも短いリーディング側の下辺74を有する台形の斜辺73および下辺74と、上辺75の一端から他端まで延び、斜辺73の延長線78よりも内側で上辺75よりもトレーリング側に膨らむ輪郭線76とで浮上面に露出面72を規定する。
【選択図】図9
Description
Claims (8)
- トレーリング側の上辺、および、前記上辺に平行に延び前記上辺よりも短いリーディング側の下辺を有する台形の斜辺および下辺と、前記上辺の一端から他端まで延び、前記斜辺の延長線よりも内側で前記上辺よりもトレーリング側に膨らむ輪郭線とで浮上面に露出面を規定することを特徴とする磁気記録ヘッド。
- 請求項1に記載の磁気記録ヘッドにおいて、前記輪郭線は多角線であることを特徴とする磁気記録ヘッド。
- 請求項1に記載の磁気記録ヘッドにおいて、前記輪郭線は曲線であることを特徴とする磁気記録ヘッド。
- 請求項3に記載の磁気記録ヘッドにおいて、前記輪郭線は前記上辺の中点を中心に描かれる半円の弧であることを特徴とする磁気記録ヘッド。
- 筐体と、
筐体に組み込まれて、千鳥配置の磁性ドットパターンで記録トラックを形成する磁気記憶媒体と、
磁気記憶媒体に向き合わせられる磁気記録ヘッドとを備え、
前記磁気記録ヘッドは、トレーリング側の上辺、および、前記上辺に平行に延び前記上辺よりも短いリーディング側の下辺を有する台形の斜辺および下辺と、前記上辺の一端から他端まで延び、前記斜辺の延長線よりも内側で前記上辺よりもトレーリング側に膨らむ輪郭線とで浮上面に露出面を規定することを特徴とする磁気記憶装置。 - 請求項5に記載の磁気記憶装置において、前記輪郭線は多角線であることを特徴とする磁気記憶装置。
- 請求項5に記載の磁気記憶装置において、前記輪郭線は曲線であることを特徴とする磁気記憶装置。
- 請求項7に記載の磁気記憶装置において、前記輪郭線は前記上辺の中点を中心に描かれる半円の弧であることを特徴とする磁気記憶装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009102232A JP2010250919A (ja) | 2009-04-20 | 2009-04-20 | 磁気記録ヘッドおよび磁気記憶装置 |
US12/761,109 US20100265616A1 (en) | 2009-04-20 | 2010-04-15 | Magnetic recording head and magnetic storage device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009102232A JP2010250919A (ja) | 2009-04-20 | 2009-04-20 | 磁気記録ヘッドおよび磁気記憶装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010250919A true JP2010250919A (ja) | 2010-11-04 |
JP2010250919A5 JP2010250919A5 (ja) | 2010-12-16 |
Family
ID=42980804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009102232A Abandoned JP2010250919A (ja) | 2009-04-20 | 2009-04-20 | 磁気記録ヘッドおよび磁気記憶装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20100265616A1 (ja) |
JP (1) | JP2010250919A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012104191A (ja) * | 2010-11-10 | 2012-05-31 | Hitachi Ltd | 磁気ヘッド及びそれを用いた磁気記録再生装置 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8848314B2 (en) | 2011-12-07 | 2014-09-30 | HGST Netherlands B.V. | Write head designed for adjusting relative write phase between subtracks of a patterned media hypertrack |
US8937783B2 (en) | 2011-12-21 | 2015-01-20 | HGST Netherlands B.V. | Magnetic data recording system with improved servo capability for bit patterned recording |
US9767831B1 (en) * | 2015-12-01 | 2017-09-19 | Western Digital (Fremont), Llc | Magnetic writer having convex trailing surface pole and conformal write gap |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001236605A (ja) * | 2000-02-17 | 2001-08-31 | Tdk Corp | 薄膜磁気ヘッド、磁気ヘッド装置及び磁気ディスク装置 |
JP2003151103A (ja) * | 2001-11-14 | 2003-05-23 | Toshiba Corp | 記録装置 |
JP2003242607A (ja) * | 2002-02-14 | 2003-08-29 | 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 |
JP2004046920A (ja) * | 2002-07-09 | 2004-02-12 | Hitachi Ltd | 磁気ヘッド及び磁気ディスク装置 |
JP2007220273A (ja) * | 2006-02-15 | 2007-08-30 | Samsung Electronics Co Ltd | 垂直磁気ヘッド及びその製造方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020024755A1 (en) * | 2000-04-10 | 2002-02-28 | Kim Yong Su | Method and apparatus for perpendicular magnetic recording |
JP3866512B2 (ja) * | 2000-12-26 | 2007-01-10 | アルプス電気株式会社 | 垂直磁気記録ヘッドの製造方法 |
JP2006134507A (ja) * | 2004-11-08 | 2006-05-25 | Tdk Corp | 磁気ヘッドの製造方法、磁気ヘッド、ヘッドジンバルアセンブリ、ヘッドアームアセンブリ、ヘッドスタックアセンブリ |
US7398592B2 (en) * | 2005-03-29 | 2008-07-15 | Hitachi Global Storage Technologies Netherlands, B.V. | Manufacturable CMP assisted liftoff process to fabricate write pole for perpendicular recording heads |
JP2008204526A (ja) * | 2007-02-19 | 2008-09-04 | Fujitsu Ltd | 磁気記録ヘッドの製造方法 |
US7796361B2 (en) * | 2007-03-26 | 2010-09-14 | Headway Technologies, Inc. | Magnetic head for perpendicular magnetic recording and method of manufacturing same |
JP5626713B2 (ja) * | 2008-10-03 | 2014-11-19 | エイチジーエスティーネザーランドビーブイ | ヘッドスライダ、ヘッドアッセンブリ及び磁気ディスク装置 |
-
2009
- 2009-04-20 JP JP2009102232A patent/JP2010250919A/ja not_active Abandoned
-
2010
- 2010-04-15 US US12/761,109 patent/US20100265616A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001236605A (ja) * | 2000-02-17 | 2001-08-31 | Tdk Corp | 薄膜磁気ヘッド、磁気ヘッド装置及び磁気ディスク装置 |
JP2003151103A (ja) * | 2001-11-14 | 2003-05-23 | Toshiba Corp | 記録装置 |
JP2003242607A (ja) * | 2002-02-14 | 2003-08-29 | 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 |
JP2004046920A (ja) * | 2002-07-09 | 2004-02-12 | Hitachi Ltd | 磁気ヘッド及び磁気ディスク装置 |
JP2007220273A (ja) * | 2006-02-15 | 2007-08-30 | Samsung Electronics Co Ltd | 垂直磁気ヘッド及びその製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012104191A (ja) * | 2010-11-10 | 2012-05-31 | Hitachi Ltd | 磁気ヘッド及びそれを用いた磁気記録再生装置 |
Also Published As
Publication number | Publication date |
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US20100265616A1 (en) | 2010-10-21 |
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