JP3911666B2 - サーボ信号生成装置、サーボパターンシミュレータ、および、サーボ信号生成方法 - Google Patents
サーボ信号生成装置、サーボパターンシミュレータ、および、サーボ信号生成方法 Download PDFInfo
- Publication number
- JP3911666B2 JP3911666B2 JP2002027406A JP2002027406A JP3911666B2 JP 3911666 B2 JP3911666 B2 JP 3911666B2 JP 2002027406 A JP2002027406 A JP 2002027406A JP 2002027406 A JP2002027406 A JP 2002027406A JP 3911666 B2 JP3911666 B2 JP 3911666B2
- Authority
- JP
- Japan
- Prior art keywords
- servo
- pattern
- servo signal
- servo pattern
- signal
- 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
Images
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002027406A JP3911666B2 (ja) | 2002-02-04 | 2002-02-04 | サーボ信号生成装置、サーボパターンシミュレータ、および、サーボ信号生成方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002027406A JP3911666B2 (ja) | 2002-02-04 | 2002-02-04 | サーボ信号生成装置、サーボパターンシミュレータ、および、サーボ信号生成方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2003228931A JP2003228931A (ja) | 2003-08-15 |
| JP2003228931A5 JP2003228931A5 (enExample) | 2005-07-14 |
| JP3911666B2 true JP3911666B2 (ja) | 2007-05-09 |
Family
ID=27748938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002027406A Expired - Fee Related JP3911666B2 (ja) | 2002-02-04 | 2002-02-04 | サーボ信号生成装置、サーボパターンシミュレータ、および、サーボ信号生成方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3911666B2 (enExample) |
-
2002
- 2002-02-04 JP JP2002027406A patent/JP3911666B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003228931A (ja) | 2003-08-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7589924B2 (en) | Characteristic evaluation method for magnetic disk medium | |
| KR100808611B1 (ko) | 자기 기록 재생용 lsi 및 자기 기록 재생 장치 | |
| KR980700655A (ko) | 정합 필터를 사용하여 자기 저항 헤드를 사용하는 하드 디스크 드라이브에서 헤드포지셔너 마이크로-조그를 결정하는 방법(Method Using Matched Filters for Determining Head Positioner Micro-Jog in Hard Disk Drive Employing Magneto-Resistive Heads) | |
| Tang et al. | A technique for measuring nonlinear bit shift | |
| EP0168155B1 (en) | Method for testing components of a magnetic storage system | |
| US8107180B2 (en) | Hard-disk drive and control method for magnetic recording on a patterned medium of the hard-disk drive | |
| US20060066300A1 (en) | Full track profile derivative method for read and write width measurements of magnetic recording head | |
| US6777929B2 (en) | Cross talk bit error rate testing of a magnetic head | |
| JP2005322391A (ja) | 疑似ノイズ・シーケンスを有するサーボパターンによるデータ記録システム | |
| US5872664A (en) | Distortion of an isolated pulse | |
| CN1316452C (zh) | 磁盘装置的检查方法和装置 | |
| US6081114A (en) | Method and apparatus for testing magnetic head with magnetoresistive element | |
| JP4286711B2 (ja) | 記録ヘッドの磁界を計測する装置および方法 | |
| US7109701B2 (en) | Method for testing magnetic hard disk or magnetic head | |
| US7411754B2 (en) | System and method for measuring readback signal amplitude asymmetry in a perpendicular magnetic recording disk drive | |
| JP2003228931A (ja) | サーボ信号生成装置、サーボパターンシミュレータ、および、サーボ信号生成方法 | |
| JP2000099932A (ja) | スピンバルブ磁気抵抗効果型素子評価方法およびスピンバルブ磁気抵抗効果型素子評価装置 | |
| JP3522994B2 (ja) | 磁気記録再生装置 | |
| JP2954104B2 (ja) | バルクハウゼンノイズ検出方法 | |
| Hughes et al. | Characterization of three servo patterns for position error signal generation in hard drives | |
| Steiner et al. | Write bubble measurement under realistic recording conditions | |
| JP3057282B2 (ja) | デジタル記録再生特性評価方法 | |
| JP2007087450A (ja) | 磁気ディスク媒体のオーバーライト特性の測定方法 | |
| JPH0760481B2 (ja) | 磁気記録媒体の検査方法 | |
| JP2008198325A (ja) | 磁気ヘッドの特性評価方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20041119 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20041119 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20060519 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20070105 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20070118 |
|
| R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110209 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110209 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120209 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120209 Year of fee payment: 5 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120209 Year of fee payment: 5 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130209 Year of fee payment: 6 |
|
| LAPS | Cancellation because of no payment of annual fees |