GLASS SUBSTRATE FOR MAGNETIC DISK AND MAGNETIC DISK

• Main Authors: SHIDA NORIHITO, ITO MASABUMI, TAKANO SHIGEKI, OTSUKA HARUHIKO
• Format: Patent
• Language: English; Japanese
• Published: 23.05.2016
• Subjects: INFORMATION STORAGE; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER; PHYSICS

PROBLEM TO BE SOLVED: To provide a glass substrate for a magnetic disk that is compatible with high recording density.SOLUTION: A glass substrate for a magnetic disk is characterized as follows: the glass substrate for the magnetic disk is provided with a main surface; an arithmetic average roughnes...