DE602004018874D1 - Magnetisches Aufzeichnungsmittel - Google Patents
Magnetisches AufzeichnungsmittelInfo
- Publication number
- DE602004018874D1 DE602004018874D1 DE602004018874T DE602004018874T DE602004018874D1 DE 602004018874 D1 DE602004018874 D1 DE 602004018874D1 DE 602004018874 T DE602004018874 T DE 602004018874T DE 602004018874 T DE602004018874 T DE 602004018874T DE 602004018874 D1 DE602004018874 D1 DE 602004018874D1
- Authority
- DE
- Germany
- Prior art keywords
- recording medium
- magnetic
- magnetic recording
- servo
- band
- Prior art date
- 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.)
- Active
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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
-
- 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
- G11B5/58—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 with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/596—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 with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
- G11B5/59633—Servo formatting
- G11B5/5965—Embedded servo format
-
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
- G11B5/70642—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides
- G11B5/70678—Ferrites
-
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/714—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the dimension of the magnetic particles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003188341A JP2005025820A (ja) | 2003-06-30 | 2003-06-30 | 磁気記録媒体 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602004018874D1 true DE602004018874D1 (de) | 2009-02-26 |
Family
ID=33432278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602004018874T Active DE602004018874D1 (de) | 2003-06-30 | 2004-04-28 | Magnetisches Aufzeichnungsmittel |
Country Status (5)
Country | Link |
---|---|
US (1) | US20040265635A1 (de) |
EP (1) | EP1494214B1 (de) |
JP (1) | JP2005025820A (de) |
AT (1) | ATE420433T1 (de) |
DE (1) | DE602004018874D1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5587103B2 (ja) | 2010-08-31 | 2014-09-10 | 富士フイルム株式会社 | 磁気ヘッドのトラッキング制御方法、サーボ信号検査方法、磁気テープドライブおよびサーボライタ |
JP5658512B2 (ja) | 2010-08-31 | 2015-01-28 | 富士フイルム株式会社 | サーボ信号が書き込まれた磁気テープの製造方法およびサーボライタ |
US9524741B1 (en) | 2015-10-30 | 2016-12-20 | International Business Machines Corporation | High-density pattern detector for hybrid servo patterns |
US10141016B2 (en) | 2017-02-22 | 2018-11-27 | International Business Machines Corporation | Balanced delay and resolution for timing based servo systems |
US10102873B2 (en) | 2017-02-22 | 2018-10-16 | International Business Machines Corporation | Balanced delay and resolution for high density servo systems |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60124020A (ja) * | 1983-12-08 | 1985-07-02 | Fujitsu Ltd | デ−タ記憶装置のヘッド位置検出方式 |
US4996609A (en) * | 1989-02-22 | 1991-02-26 | Pericomp Corporation | Magnetic head recording multitrack servo patterns |
US5689384A (en) * | 1994-06-30 | 1997-11-18 | International Business Machines Corporation | Timing based servo system for magnetic tape systems |
TW342495B (en) * | 1996-07-22 | 1998-10-11 | Matsushita Electric Ind Co Ltd | Master information carrier, method of producing the same, and method for recording master information signal on magnetic recording medium |
WO1999027530A1 (en) * | 1997-11-21 | 1999-06-03 | Quantum Corporation | Magnetic tape |
US6444290B1 (en) * | 1998-06-11 | 2002-09-03 | Fuji Photo Film Co., Ltd. | Magnetic recording medium comprising a support containing a specific size filler and having a specific concentration of surface protrusions |
JP2000011352A (ja) * | 1998-06-22 | 2000-01-14 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
JP2001110027A (ja) * | 1999-10-08 | 2001-04-20 | Hitachi Ltd | 磁気記憶装置 |
JP2002092855A (ja) * | 2000-09-14 | 2002-03-29 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
JP3706947B2 (ja) * | 2001-03-12 | 2005-10-19 | 日立マクセル株式会社 | 磁気テープカートリッジ |
US20030091866A1 (en) * | 2001-06-01 | 2003-05-15 | Fuji Photo Film Co., Ltd. | Magnetic recording medium |
US6852431B2 (en) * | 2001-10-16 | 2005-02-08 | Canon Kabushiki Kaisha | Magnetic recording media and method for manufacturing the same |
US7494728B2 (en) * | 2002-04-25 | 2009-02-24 | Hitachi Maxell, Ltd. | Magnetic tape and magnetic tape cartridge |
US6970312B2 (en) * | 2002-12-23 | 2005-11-29 | Imation Corp. | Full amplitude time-based servopositioning signals |
JP4040514B2 (ja) * | 2003-03-26 | 2008-01-30 | Tdk株式会社 | 磁気記録媒体及び磁気記録媒体の製造方法 |
JP2004318977A (ja) * | 2003-04-15 | 2004-11-11 | Fuji Photo Film Co Ltd | 磁気テープ及びその製造方法、並びにサーボライタ |
JP2005025810A (ja) * | 2003-06-30 | 2005-01-27 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
JP2005085390A (ja) * | 2003-09-09 | 2005-03-31 | Fuji Photo Film Co Ltd | 複合型磁気ヘッド及びその製造方法 |
-
2003
- 2003-06-30 JP JP2003188341A patent/JP2005025820A/ja not_active Withdrawn
-
2004
- 2004-04-28 AT AT04010085T patent/ATE420433T1/de not_active IP Right Cessation
- 2004-04-28 EP EP04010085A patent/EP1494214B1/de active Active
- 2004-04-28 DE DE602004018874T patent/DE602004018874D1/de active Active
- 2004-05-07 US US10/840,587 patent/US20040265635A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP2005025820A (ja) | 2005-01-27 |
EP1494214B1 (de) | 2009-01-07 |
US20040265635A1 (en) | 2004-12-30 |
EP1494214A1 (de) | 2005-01-05 |
ATE420433T1 (de) | 2009-01-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |