JPS52130307A - Bifacial magnetic field direction arrangement for magnetic disks - Google Patents
Bifacial magnetic field direction arrangement for magnetic disksInfo
- Publication number
- JPS52130307A JPS52130307A JP4658676A JP4658676A JPS52130307A JP S52130307 A JPS52130307 A JP S52130307A JP 4658676 A JP4658676 A JP 4658676A JP 4658676 A JP4658676 A JP 4658676A JP S52130307 A JPS52130307 A JP S52130307A
- Authority
- JP
- Japan
- Prior art keywords
- bifacial
- field direction
- direction arrangement
- magnetic
- magnetic field
- 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
Landscapes
- Manufacturing Of Magnetic Record Carriers (AREA)
Abstract
PURPOSE: To improve disk performance by arranging the direction of the strong magnet composing particles along the circumference of the disk, locating the magnet on a specific position of the disk which is composed of magnetic coating.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4658676A JPS52130307A (en) | 1976-04-26 | 1976-04-26 | Bifacial magnetic field direction arrangement for magnetic disks |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4658676A JPS52130307A (en) | 1976-04-26 | 1976-04-26 | Bifacial magnetic field direction arrangement for magnetic disks |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52130307A true JPS52130307A (en) | 1977-11-01 |
Family
ID=12751393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4658676A Pending JPS52130307A (en) | 1976-04-26 | 1976-04-26 | Bifacial magnetic field direction arrangement for magnetic disks |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52130307A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58130444A (en) * | 1982-01-29 | 1983-08-03 | Hitachi Ltd | Orienting method of magnetic field of magnetic disc |
JPS61187125A (en) * | 1985-02-14 | 1986-08-20 | Hitachi Ltd | Method for orientating magnetic field of magnetic disk |
JPH0581668A (en) * | 1991-09-20 | 1993-04-02 | Tdk Corp | Method and device for producing magnetic hard disk |
-
1976
- 1976-04-26 JP JP4658676A patent/JPS52130307A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58130444A (en) * | 1982-01-29 | 1983-08-03 | Hitachi Ltd | Orienting method of magnetic field of magnetic disc |
JPS61187125A (en) * | 1985-02-14 | 1986-08-20 | Hitachi Ltd | Method for orientating magnetic field of magnetic disk |
JPH0330924B2 (en) * | 1985-02-14 | 1991-05-01 | Hitachi Ltd | |
JPH0581668A (en) * | 1991-09-20 | 1993-04-02 | Tdk Corp | Method and device for producing magnetic hard disk |
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