JPS5378807A - Magnetic recorder and preparation thereof - Google Patents
Magnetic recorder and preparation thereofInfo
- Publication number
- JPS5378807A JPS5378807A JP15538376A JP15538376A JPS5378807A JP S5378807 A JPS5378807 A JP S5378807A JP 15538376 A JP15538376 A JP 15538376A JP 15538376 A JP15538376 A JP 15538376A JP S5378807 A JPS5378807 A JP S5378807A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- preparation
- magnetic recorder
- thin film
- film medium
- 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.)
- Granted
Links
Landscapes
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Abstract
PURPOSE: To protect sufficiently metallic magnetic thin film medium even for recording-playback magnetic head which is prone to absorb dust by providing double or more coatings of polysilicate on a metallic magnetic thin film medium such as of magnetic disc or magnetic drum.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15538376A JPS5938649B2 (en) | 1976-12-22 | 1976-12-22 | Magnetic memory and its manufacturing method |
US05/860,832 US4152487A (en) | 1976-12-17 | 1977-12-15 | Magnetic record member |
DE2759817A DE2759817C2 (en) | 1976-12-17 | 1977-12-16 | Magnetic recording element |
DE2756254A DE2756254C3 (en) | 1976-12-17 | 1977-12-16 | Magnetic recording element |
DE2759985A DE2759985C2 (en) | 1976-12-17 | 1977-12-16 | Magnetic recording element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15538376A JPS5938649B2 (en) | 1976-12-22 | 1976-12-22 | Magnetic memory and its manufacturing method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5378807A true JPS5378807A (en) | 1978-07-12 |
JPS5938649B2 JPS5938649B2 (en) | 1984-09-18 |
Family
ID=15604736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15538376A Expired JPS5938649B2 (en) | 1976-12-17 | 1976-12-22 | Magnetic memory and its manufacturing method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5938649B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56124130A (en) * | 1980-03-04 | 1981-09-29 | Hitachi Maxell Ltd | Magnetic recording medium |
JPS56159840A (en) * | 1980-05-14 | 1981-12-09 | Hitachi Maxell Ltd | Magnetic recording medium |
JPS59135628A (en) * | 1983-01-21 | 1984-08-03 | Ulvac Corp | Wear resistant magnetic recording body |
JPS6032126A (en) * | 1983-08-02 | 1985-02-19 | Hitachi Condenser Co Ltd | Production of magnetic recording medium |
-
1976
- 1976-12-22 JP JP15538376A patent/JPS5938649B2/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56124130A (en) * | 1980-03-04 | 1981-09-29 | Hitachi Maxell Ltd | Magnetic recording medium |
JPH0447373B2 (en) * | 1980-03-04 | 1992-08-03 | Hitachi Maxell | |
JPS56159840A (en) * | 1980-05-14 | 1981-12-09 | Hitachi Maxell Ltd | Magnetic recording medium |
JPH0245244B2 (en) * | 1980-05-14 | 1990-10-08 | Hitachi Maxell | |
JPS59135628A (en) * | 1983-01-21 | 1984-08-03 | Ulvac Corp | Wear resistant magnetic recording body |
JPH0157416B2 (en) * | 1983-01-21 | 1989-12-05 | Ulvac Corp | |
JPS6032126A (en) * | 1983-08-02 | 1985-02-19 | Hitachi Condenser Co Ltd | Production of magnetic recording medium |
Also Published As
Publication number | Publication date |
---|---|
JPS5938649B2 (en) | 1984-09-18 |
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