MAGNETIC RECORDING MEDIUM AND ITS PRODUCTION

• Main Authors: ARAI HITOSHI, OKAYAMA HIROSHI, IZUMI TOSHIAKI
• Format: Patent
• Language: English
• Published: 25.12.1986
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; INFORMATION STORAGE; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PHYSICS; THEIR PREPARATION OR CHEMICAL WORKING-UP

PURPOSE:To obtain a magnetic recording medium having the large coercive force in the direction perpendicular to the film plane and large vertical anisotropic magnetic field by adjusting the chromium content in a thin magnetic film contg. cobalt and chromium on a non-magnetic substrate to 18-24wt% an...