JPS52152706A - Base plate for magnetic disc - Google Patents
Base plate for magnetic discInfo
- Publication number
- JPS52152706A JPS52152706A JP6960976A JP6960976A JPS52152706A JP S52152706 A JPS52152706 A JP S52152706A JP 6960976 A JP6960976 A JP 6960976A JP 6960976 A JP6960976 A JP 6960976A JP S52152706 A JPS52152706 A JP S52152706A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disc
- base plate
- aloy
- assure
- magnesium
- 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
Abstract
PURPOSE: To assure the high speed rotations and the high density recording of a magnetic disc by using magnesium or its aloy as a material of the base plate for the magnetic disc.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6960976A JPS52152706A (en) | 1976-06-14 | 1976-06-14 | Base plate for magnetic disc |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6960976A JPS52152706A (en) | 1976-06-14 | 1976-06-14 | Base plate for magnetic disc |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52152706A true JPS52152706A (en) | 1977-12-19 |
Family
ID=13407752
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6960976A Pending JPS52152706A (en) | 1976-06-14 | 1976-06-14 | Base plate for magnetic disc |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52152706A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020009512A (en) * | 2018-07-09 | 2020-01-16 | 株式会社Uacj | Magnetic disk substrate, manufacturing method thereof and magnetic disk |
-
1976
- 1976-06-14 JP JP6960976A patent/JPS52152706A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020009512A (en) * | 2018-07-09 | 2020-01-16 | 株式会社Uacj | Magnetic disk substrate, manufacturing method thereof and magnetic disk |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS53143206A (en) | Magnetic disc | |
JPS5434205A (en) | Magnetic recording medium | |
JPS5338213A (en) | Revolving-magnetic-head-type magnetic recorder-and-reproducing device | |
JPS51135521A (en) | Magnetic recording reproduction device | |
JPS52152706A (en) | Base plate for magnetic disc | |
JPS5317014A (en) | Recording-reproducing device | |
JPS5383717A (en) | Megnetic disc device | |
JPS5367406A (en) | Magnetic recording medium and its production | |
JPS5242134A (en) | Recording mechanism in which ink is employed | |
JPS523412A (en) | Reprinting method of magnetic record | |
JPS51114909A (en) | Magnetic recording equipment | |
JPS5344247A (en) | Yoyo | |
JPS5247631A (en) | Recording device of laser information | |
JPS5217811A (en) | Floating type magnetic head | |
JPS5275113A (en) | Video disc | |
JPS51124905A (en) | Magnetic recording material | |
JPS5432018A (en) | Receiving device for still/motion pictures | |
JPS51115803A (en) | Magnetic recording material | |
JPS5295097A (en) | Magnetic recording material | |
JPS5350816A (en) | Floating type magnetic head | |
JPS5392105A (en) | Pad for magnetic tape | |
JPS5223909A (en) | Magnetic recording reproducing device | |
JPS5224514A (en) | Thin film magnetic head | |
JPS51127702A (en) | Surface treatment method of magnetic recording materials | |
JPS51123115A (en) | Magnetic recording medium |