JPS6437774A - Discoid magnetic recording medium - Google Patents
Discoid magnetic recording mediumInfo
- Publication number
- JPS6437774A JPS6437774A JP19306387A JP19306387A JPS6437774A JP S6437774 A JPS6437774 A JP S6437774A JP 19306387 A JP19306387 A JP 19306387A JP 19306387 A JP19306387 A JP 19306387A JP S6437774 A JPS6437774 A JP S6437774A
- Authority
- JP
- Japan
- Prior art keywords
- servo
- signal recording
- servo identification
- identification signal
- signals
- 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.)
- Pending
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19306387A JPS6437774A (en) | 1987-08-01 | 1987-08-01 | Discoid magnetic recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19306387A JPS6437774A (en) | 1987-08-01 | 1987-08-01 | Discoid magnetic recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6437774A true JPS6437774A (en) | 1989-02-08 |
Family
ID=16301582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19306387A Pending JPS6437774A (en) | 1987-08-01 | 1987-08-01 | Discoid magnetic recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6437774A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5341255A (en) * | 1990-10-17 | 1994-08-23 | Seagate Technology, Inc. | Disc drive head positioning servo system with coherent adjacent track magnetic patterns |
US6057977A (en) * | 1997-08-07 | 2000-05-02 | International Business Machines Corporation | Compact servo pattern optimized for M-R heads |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63173280A (ja) * | 1987-01-13 | 1988-07-16 | Canon Electronics Inc | ヘッドトラッキング用サーボパターンを備えた記録媒体 |
JPS647389A (en) * | 1987-06-29 | 1989-01-11 | Nec Corp | Magnetic disk |
-
1987
- 1987-08-01 JP JP19306387A patent/JPS6437774A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63173280A (ja) * | 1987-01-13 | 1988-07-16 | Canon Electronics Inc | ヘッドトラッキング用サーボパターンを備えた記録媒体 |
JPS647389A (en) * | 1987-06-29 | 1989-01-11 | Nec Corp | Magnetic disk |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5341255A (en) * | 1990-10-17 | 1994-08-23 | Seagate Technology, Inc. | Disc drive head positioning servo system with coherent adjacent track magnetic patterns |
US6057977A (en) * | 1997-08-07 | 2000-05-02 | International Business Machines Corporation | Compact servo pattern optimized for M-R heads |
US6760184B1 (en) | 1997-08-07 | 2004-07-06 | Hitachi Global Storage Technologies | Compact servo pattern optimized for M-R heads |
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