MAGNETIC DISK SUBSTRATE, METHOD FOR MANUFACTURING THE SAME, AND MAGNETIC DISK

• Main Authors: TSUCHIYA, HIROSHI, ISONO, HIDEKI
• Format: Patent
• Language: English
• Published: 15.09.2015
• Subjects: INFORMATION STORAGE; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER; PHYSICS

PROVIDED ARE A MAGNETIC DISK SUBSTRATE THAT CAN BE ADAPTED TO A REDUCTION IN FLYING HEIGHT OF A HEAD IN AN HDD AND TO AN INCREASE IN ROTATIONAL SPEED THEREIN, AND A METHOD OF MANUFACTURING SUCH A SUBSTRATE. IN AN ANNULAR GLASS SUBSTRATE FOR A MAGNETIC RECORDING MEDIUM, A MAIN SURFACE (12) OF THE GLA...