JPS57210403A - Magnetic disc unit - Google Patents
Magnetic disc unitInfo
- Publication number
- JPS57210403A JPS57210403A JP8999882A JP8999882A JPS57210403A JP S57210403 A JPS57210403 A JP S57210403A JP 8999882 A JP8999882 A JP 8999882A JP 8999882 A JP8999882 A JP 8999882A JP S57210403 A JPS57210403 A JP S57210403A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disc
- disc unit
- unit
- magnetic
- disc
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US26841481A | 1981-05-29 | 1981-05-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57210403A true JPS57210403A (en) | 1982-12-24 |
Family
ID=23022900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8999882A Pending JPS57210403A (en) | 1981-05-29 | 1982-05-28 | Magnetic disc unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57210403A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5109311A (en) * | 1988-03-23 | 1992-04-28 | Hitachi, Ltd. | Magnetic disk device and method of recording/retrieving information |
US5671107A (en) * | 1989-12-13 | 1997-09-23 | Hitachi, Ltd. | Large capacity magnetic disc apparatus with a particular relationship between pole thickness, saturated flux density, and recording wavelength |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5392109A (en) * | 1977-01-25 | 1978-08-12 | Nippon Telegr & Teleph Corp <Ntt> | Magnetic disk storage unit |
-
1982
- 1982-05-28 JP JP8999882A patent/JPS57210403A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5392109A (en) * | 1977-01-25 | 1978-08-12 | Nippon Telegr & Teleph Corp <Ntt> | Magnetic disk storage unit |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5109311A (en) * | 1988-03-23 | 1992-04-28 | Hitachi, Ltd. | Magnetic disk device and method of recording/retrieving information |
US5671107A (en) * | 1989-12-13 | 1997-09-23 | Hitachi, Ltd. | Large capacity magnetic disc apparatus with a particular relationship between pole thickness, saturated flux density, and recording wavelength |
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