JPS5339706A - Protective film for magnetic recording medium - Google Patents
Protective film for magnetic recording mediumInfo
- Publication number
- JPS5339706A JPS5339706A JP11454076A JP11454076A JPS5339706A JP S5339706 A JPS5339706 A JP S5339706A JP 11454076 A JP11454076 A JP 11454076A JP 11454076 A JP11454076 A JP 11454076A JP S5339706 A JPS5339706 A JP S5339706A
- Authority
- JP
- Japan
- Prior art keywords
- protective film
- recording medium
- magnetic recording
- providing
- contact
- 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
- Magnetic Record Carriers (AREA)
Abstract
PURPOSE: To prevent pressure demagnetization of contact-start-stop system magnetic disc and reduce causes for head crush by providing a specific protective film on a ferrite thin film with high coercive force.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11454076A JPS5339706A (en) | 1976-09-24 | 1976-09-24 | Protective film for magnetic recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11454076A JPS5339706A (en) | 1976-09-24 | 1976-09-24 | Protective film for magnetic recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5339706A true JPS5339706A (en) | 1978-04-11 |
Family
ID=14640308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11454076A Pending JPS5339706A (en) | 1976-09-24 | 1976-09-24 | Protective film for magnetic recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5339706A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59157832A (en) * | 1983-02-28 | 1984-09-07 | Konishiroku Photo Ind Co Ltd | Magnetic recording medium |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5115967A (en) * | 1974-07-30 | 1976-02-07 | Sharp Kk | Denjishudanno seigyokairo |
-
1976
- 1976-09-24 JP JP11454076A patent/JPS5339706A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5115967A (en) * | 1974-07-30 | 1976-02-07 | Sharp Kk | Denjishudanno seigyokairo |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59157832A (en) * | 1983-02-28 | 1984-09-07 | Konishiroku Photo Ind Co Ltd | Magnetic recording medium |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5363002A (en) | Signal recording system and disk type medium for recording signal | |
JPS5424008A (en) | Magnetic recording and photo reproducing system | |
JPS57109134A (en) | Magnetic transferring and recording method | |
JPS5339706A (en) | Protective film for magnetic recording medium | |
JPS5320310A (en) | Magnetic recording and reproducing system | |
JPS523412A (en) | Reprinting method of magnetic record | |
GB1440514A (en) | Method of copying recorded magnetic signals | |
JPS5378807A (en) | Magnetic recorder and preparation thereof | |
JPS5374408A (en) | Tape recorder | |
JPS5226815A (en) | Magnetic head | |
JPS51127709A (en) | Magnetic-field orientation method of magnetic disc | |
JPS52127324A (en) | Magnetic recording medium and its control system | |
JPS53109609A (en) | Magnetic recorder | |
JPS5330800A (en) | Peparing magnetic thin film | |
JPS52112306A (en) | Magnetic recording tape | |
JPS549606A (en) | Magnetic recording medium | |
JPS5217811A (en) | Floating type magnetic head | |
JPS5431706A (en) | Magnetic recorder-reproducer | |
JPS52111313A (en) | Signal recording and reproducing method | |
JPS52132720A (en) | Magnetic recording and reproducing unit for video signal | |
JPS5334414A (en) | Recording system for video and sound information | |
JPS5489706A (en) | Protecting film for magnetic recording media | |
JPS52104212A (en) | Temperature compensation device for head location of magnetic disk uni t | |
JPS5431720A (en) | Magnetic recorder-reproducer | |
JPS5223909A (en) | Magnetic recording reproducing device |