MANUFACTURING METHOD FOR MAGNETIC RECORDING MEDIUM, AND MASTER INFORMATION CARRIER USED THEREFOR

摘要

IN A MANUFACTURING METHOD FOR A MAGNETIC RECORDING MEDIUM (2), WHEN THE LENGTH OF A FERROMAGNETIC THIN FILM (3) ON A MASTER INFORMATION CARRIER (1) CORRESPONDING TO THE LENGTH BETWEEN A PAIR OF MAGNETIZATION TRANSITION REGIONS (6) ADJACENT TO EACH OTHER IS A IN MAGNETIZATION INFORMATION RECORDED ONTO A MAGNETIC RECORDING MEDIUM (2), THE FILM THICKNESS OF THE FERROMAGNETIC THIN FILM (3) IS T AND A/T IS K, K IS SET FROM NOT LESS THAN 0.8 TO NOT MORE THAN 8.FIG. 6A AND 6B