DE3471787D1 - Magnetic head assembly - Google Patents
Magnetic head assemblyInfo
- Publication number
- DE3471787D1 DE3471787D1 DE8484108557T DE3471787T DE3471787D1 DE 3471787 D1 DE3471787 D1 DE 3471787D1 DE 8484108557 T DE8484108557 T DE 8484108557T DE 3471787 T DE3471787 T DE 3471787T DE 3471787 D1 DE3471787 D1 DE 3471787D1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic head
- head assembly
- assembly
- 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
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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
- G11B5/2652—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track with more than one gap simultaneously operative
- G11B5/2654—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track with more than one gap simultaneously operative for recording or erasing
- G11B5/2655—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track with more than one gap simultaneously operative for recording or erasing with all the gaps disposed within the track or "guard band" between tracks, e.g. with erase gaps operative on track edges, with wide erase gap followed by narrow write gap
-
- 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
- G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
-
- 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
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
- G11B5/024—Erasing
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58170838A JPS6061910A (ja) | 1983-09-16 | 1983-09-16 | 磁気ヘツド組立体 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3471787D1 true DE3471787D1 (en) | 1988-07-07 |
Family
ID=15912263
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484108557T Expired DE3471787D1 (en) | 1983-09-16 | 1984-07-19 | Magnetic head assembly |
Country Status (4)
Country | Link |
---|---|
US (1) | US4691260A (de) |
EP (1) | EP0137922B1 (de) |
JP (1) | JPS6061910A (de) |
DE (1) | DE3471787D1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986002189A1 (en) * | 1984-10-05 | 1986-04-10 | Olympus Optical Co., Ltd. | Compound magnetic head |
US4799115A (en) * | 1986-10-27 | 1989-01-17 | International Business Machines Corp. | Method and apparatus for tolerating track misregistration systems in twin track vertical recording systems |
US4926274A (en) * | 1986-12-04 | 1990-05-15 | Kabushiki Kaisha Toshiba | Magnetic head apparatus having surfaces contoured to minimize friction between a magnetic head and a magnetic disk |
JPH04232610A (ja) * | 1990-10-02 | 1992-08-20 | Internatl Business Mach Corp <Ibm> | 情報の読み取り・書き込み装置 |
US5959812A (en) * | 1997-07-25 | 1999-09-28 | Imation Corp. | Fringe field compensation system for multi-track servo recording head |
US5940250A (en) * | 1997-10-21 | 1999-08-17 | Maxtor Corporation | Disk drive head having a read wide/write narrow architecture |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS531646B2 (de) * | 1973-10-02 | 1978-01-20 | ||
US3882544A (en) * | 1973-12-14 | 1975-05-06 | Xerox Corp | Combined wide-erase and read-write magnetic head |
US4058846A (en) * | 1976-06-21 | 1977-11-15 | International Business Machines Corporation | Grounded transducer for magnetic record disks |
US4176384A (en) * | 1978-05-15 | 1979-11-27 | Yang Electromagnetics Systems Inc. | Magnetic recording head assembly defining precision gaps |
JPS5593530A (en) * | 1978-12-29 | 1980-07-16 | Sony Corp | Magnetic head unit |
US4191980A (en) * | 1978-12-29 | 1980-03-04 | International Business Machines Corporation | Transducers with tapered edge profiles and assembly thereof |
JPS5654624A (en) * | 1979-10-12 | 1981-05-14 | Toshiba Corp | Compound magnetic head and its manufacture |
US4276574A (en) * | 1979-12-06 | 1981-06-30 | International Business Machines Corporation | Read/write and tunnel erase magnetic head assembly |
US4367505A (en) * | 1980-09-29 | 1983-01-04 | Xerox Corporation | Magnetic head assembly with skewed read/write gap |
JPS57186222A (en) * | 1981-05-13 | 1982-11-16 | Y Ii Data:Kk | Magnetic head |
JPS5860423A (ja) * | 1981-10-07 | 1983-04-09 | Hitachi Metals Ltd | 磁気ヘツド装置 |
JPS58125224A (ja) * | 1982-01-20 | 1983-07-26 | Hitachi Ltd | 磁気ヘツド |
JPS58215717A (ja) * | 1982-06-09 | 1983-12-15 | Hitachi Ltd | 磁気ヘツド |
EP0110513A3 (de) * | 1982-10-19 | 1985-09-18 | EASTMAN KODAK COMPANY (a New Jersey corporation) | Magnetwandler mit in einem gemeinsamen Reluktanz-Weg angeordneten Mehrfachspalten |
-
1983
- 1983-09-16 JP JP58170838A patent/JPS6061910A/ja active Granted
-
1984
- 1984-07-16 US US06/631,318 patent/US4691260A/en not_active Expired - Fee Related
- 1984-07-19 EP EP84108557A patent/EP0137922B1/de not_active Expired
- 1984-07-19 DE DE8484108557T patent/DE3471787D1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0137922B1 (de) | 1988-06-01 |
JPS6061910A (ja) | 1985-04-09 |
US4691260A (en) | 1987-09-01 |
EP0137922A1 (de) | 1985-04-24 |
JPH0230087B2 (de) | 1990-07-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |