JP2703079B2 - 磁気デイスク装置および情報の記録・再生方法 - Google Patents
磁気デイスク装置および情報の記録・再生方法Info
- Publication number
- JP2703079B2 JP2703079B2 JP1321445A JP32144589A JP2703079B2 JP 2703079 B2 JP2703079 B2 JP 2703079B2 JP 1321445 A JP1321445 A JP 1321445A JP 32144589 A JP32144589 A JP 32144589A JP 2703079 B2 JP2703079 B2 JP 2703079B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- film
- thin
- magnetic disk
- 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
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
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3109—Details
-
- 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
- G11B5/09—Digital recording
-
- 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
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1321445A JP2703079B2 (ja) | 1989-12-13 | 1989-12-13 | 磁気デイスク装置および情報の記録・再生方法 |
DE19904039852 DE4039852A1 (de) | 1989-12-13 | 1990-12-13 | Magnetplattenvorrichtung und verfahren zur informationsaufzeichnung und -wiedergabe |
US08/399,221 US5671107A (en) | 1989-12-13 | 1995-03-06 | Large capacity magnetic disc apparatus with a particular relationship between pole thickness, saturated flux density, and recording wavelength |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1321445A JP2703079B2 (ja) | 1989-12-13 | 1989-12-13 | 磁気デイスク装置および情報の記録・再生方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03185601A JPH03185601A (ja) | 1991-08-13 |
JP2703079B2 true JP2703079B2 (ja) | 1998-01-26 |
Family
ID=18132638
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1321445A Expired - Fee Related JP2703079B2 (ja) | 1989-12-13 | 1989-12-13 | 磁気デイスク装置および情報の記録・再生方法 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP2703079B2 (de) |
DE (1) | DE4039852A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998036410A1 (fr) * | 1997-02-17 | 1998-08-20 | Hitachi, Ltd. | Tete magnetique a couche mince, tete d'enregistrement/reproduction de type a separation, appareil a disque magnetique et procede de production de tete magnetique a couche mince |
-
1989
- 1989-12-13 JP JP1321445A patent/JP2703079B2/ja not_active Expired - Fee Related
-
1990
- 1990-12-13 DE DE19904039852 patent/DE4039852A1/de not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
DE4039852A1 (de) | 1991-06-20 |
JPH03185601A (ja) | 1991-08-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20081003 Year of fee payment: 11 |
|
LAPS | Cancellation because of no payment of annual fees |