JP5327736B2 - ビットパターンドメディアを用いた磁気記録装置 - Google Patents
ビットパターンドメディアを用いた磁気記録装置Info
- Publication number
- JP5327736B2 JP5327736B2 JP2007341557A JP2007341557A JP5327736B2 JP 5327736 B2 JP5327736 B2 JP 5327736B2 JP 2007341557 A JP2007341557 A JP 2007341557A JP 2007341557 A JP2007341557 A JP 2007341557A JP 5327736 B2 JP5327736 B2 JP 5327736B2
- Authority
- JP
- Japan
- Prior art keywords
- bit
- magnetic
- magnetic recording
- bit carrier
- magnetic head
- 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.)
- Expired - Fee Related
Links
- 230000005291 magnetic effect Effects 0.000 abstract description 118
- 238000001514 detection method Methods 0.000 description 32
- 230000008859 change Effects 0.000 description 29
- 238000000034 method Methods 0.000 description 15
- 230000005684 electric field Effects 0.000 description 10
- 239000006249 magnetic particle Substances 0.000 description 10
- 239000000969 carrier Substances 0.000 description 6
- 238000004088 simulation Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000696 magnetic material Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000002198 surface plasmon resonance spectroscopy Methods 0.000 description 1
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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/82—Disk carriers
-
- 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
- G11B5/74—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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Magnetic Record Carriers (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007341557A JP5327736B2 (ja) | 2007-12-29 | 2007-12-29 | ビットパターンドメディアを用いた磁気記録装置 |
| PCT/JP2008/003878 WO2009084179A1 (ja) | 2007-12-29 | 2008-12-22 | ビットパターンドメディアを用いた磁気記録装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007341557A JP5327736B2 (ja) | 2007-12-29 | 2007-12-29 | ビットパターンドメディアを用いた磁気記録装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009163816A JP2009163816A (ja) | 2009-07-23 |
| JP2009163816A5 JP2009163816A5 (enExample) | 2011-02-17 |
| JP5327736B2 true JP5327736B2 (ja) | 2013-10-30 |
Family
ID=40823915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007341557A Expired - Fee Related JP5327736B2 (ja) | 2007-12-29 | 2007-12-29 | ビットパターンドメディアを用いた磁気記録装置 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5327736B2 (enExample) |
| WO (1) | WO2009084179A1 (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3108687B2 (ja) | 1999-03-19 | 2000-11-13 | 核燃料サイクル開発機構 | 排気管閉塞防止装置 |
| JP3108693B1 (ja) | 1999-09-17 | 2000-11-13 | 核燃料サイクル開発機構 | 排気管閉塞防止方法及び装置 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8355300B2 (en) | 2010-10-05 | 2013-01-15 | Hitachi Global Storage Technologies Netherlands B.V. | Thermally-assisted recording (TAR) patterned-media disk drive with optical detection of write synchronization and servo fields |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000048303A (ja) * | 1998-07-29 | 2000-02-18 | Nippon Telegr & Teleph Corp <Ntt> | ディスク記憶装置 |
| JP3895082B2 (ja) * | 1999-10-05 | 2007-03-22 | 株式会社日立製作所 | 磁気記録装置 |
| JP4129031B2 (ja) * | 2006-06-12 | 2008-07-30 | 株式会社日立製作所 | 近接場光発生器及び記録再生装置 |
| JP4222440B2 (ja) * | 2006-12-25 | 2009-02-12 | コニカミノルタオプト株式会社 | 光アシスト磁気記録ヘッドの調整方法、及び、光アシスト磁気記録ヘッドの調整装置 |
| US7609469B2 (en) * | 2007-06-29 | 2009-10-27 | Seagate Technology Llc | Alternative sensors for tracking and timing in bit patterned media |
-
2007
- 2007-12-29 JP JP2007341557A patent/JP5327736B2/ja not_active Expired - Fee Related
-
2008
- 2008-12-22 WO PCT/JP2008/003878 patent/WO2009084179A1/ja not_active Ceased
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3108687B2 (ja) | 1999-03-19 | 2000-11-13 | 核燃料サイクル開発機構 | 排気管閉塞防止装置 |
| JP3108693B1 (ja) | 1999-09-17 | 2000-11-13 | 核燃料サイクル開発機構 | 排気管閉塞防止方法及び装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009084179A1 (ja) | 2009-07-09 |
| JP2009163816A (ja) | 2009-07-23 |
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