MY122740A - Method for preparing glass substrate for magnetic recording medium - Google Patents

Method for preparing glass substrate for magnetic recording medium

Info

Publication number
MY122740A
MY122740A MYPI20002247A MYPI20002247A MY122740A MY 122740 A MY122740 A MY 122740A MY PI20002247 A MYPI20002247 A MY PI20002247A MY PI20002247 A MYPI20002247 A MY PI20002247A MY 122740 A MY122740 A MY 122740A
Authority
MY
Malaysia
Prior art keywords
magnetic recording
recording medium
glass substrate
abrasive
preparing glass
Prior art date
Application number
MYPI20002247A
Inventor
Fujimura Akio
Miura Hiroshi
Original Assignee
Mitsui Mining & Smelting Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsui Mining & Smelting Co Ltd filed Critical Mitsui Mining & Smelting Co Ltd
Priority to MYPI20002247A priority Critical patent/MY122740A/en
Publication of MY122740A publication Critical patent/MY122740A/en

Links

Landscapes

  • Manufacturing Of Magnetic Record Carriers (AREA)

Abstract

A METHOD FOR PREPARING A GLASS SUBSTRATE FOR USE IN MAKING A MAGNETIC RECORDING MEDIUM IS HEREIN DISCLOSED AND THE METHOD IS CHARACTERIZED IN THAT AN ABRASIVE LIQUID CONTAININGA CeO2 -BASE ABRASIVE HAVING AN AVERAGE PARTICLE SICE, D50, OF NOT MORE THAN 0.5?m IN AN AMOUNT OF NOT MORE THAN 1% BY MASS AND AN ABRASIVE CLOTCH ARE USED IN A STEP FOR FINAL POLISHING THE GLASS SUBSTRATE FOR MAGNETIC RECORDING MEDIA. THE METHOD PERMITS EASY PREPARATION OF A GLAS SUBSTRATE FOR USE IN MAKING A MAGNETIC RECORDING MEDIUM, WHICH HAS A UNIFORM SURFACE, IS SUBSTANTIALLY FREE OF ANY SURFACE DEFECT AND HAS A SMOOTH SURFACE HAVING AN EXTREMELY LOW SURFACE ROUGHNESS.
MYPI20002247A 2000-05-23 2000-05-23 Method for preparing glass substrate for magnetic recording medium MY122740A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MYPI20002247A MY122740A (en) 2000-05-23 2000-05-23 Method for preparing glass substrate for magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MYPI20002247A MY122740A (en) 2000-05-23 2000-05-23 Method for preparing glass substrate for magnetic recording medium

Publications (1)

Publication Number Publication Date
MY122740A true MY122740A (en) 2006-05-31

Family

ID=78397477

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI20002247A MY122740A (en) 2000-05-23 2000-05-23 Method for preparing glass substrate for magnetic recording medium

Country Status (1)

Country Link
MY (1) MY122740A (en)

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