TREATMENT OF SURFACE OF MAGNETIC RECORDING MEDIUM

PURPOSE: To improve the surface treatment by moving a polishing means in the feeding direction or the reverse direction of a continuously forwarded recording medium at a specific relative speed to the speed of this recording medium. CONSTITUTION: The recording medium 1 is moved from the feeding posi...

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Bibliographische Detailangaben
Hauptverfasser: BUERUNAA RENTSU, NORUBERUTO SHIYUNAIDAA, RAINHARUTO SHIYUTORANSUKII, UDO BEEMU, GIYUNTAA BETEINGAA, AUGUSUTO REENAA, BUERUNAA GURAU, GEERUHARUTO NERUSHIYUBATSUHA, BUERUNAA NIIDERUBERUGAA, RUUTOBUIHI KURAITONAA, NORUBERUTO KURAIMESU
Format: Patent
Sprache:eng
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Zusammenfassung:PURPOSE: To improve the surface treatment by moving a polishing means in the feeding direction or the reverse direction of a continuously forwarded recording medium at a specific relative speed to the speed of this recording medium. CONSTITUTION: The recording medium 1 is moved from the feeding position 2 to the take-up position 3 at a speed of 40-60m/min, and a polishing tape 4 is moved from a storage reel 5 to a take-up reel 6 for treating the surface of layer. A supporting element 7 is arranged between two reels, and on this supporting element 7, the recording medium 1 is brought into contact with the polishing tape 4 having the particle dimension of 1-20μm by the jet stream of gas from a slot nozzle 8. At this time, the satisfied effect is obtained when the polishing tape 4 is moved relatively against the recording medium 1 at a speed faster than twice the speed of this medium 1, preferrably 10-200 times.