Claims
- 1. A magnetic recording disk manufacturing method comprising the step of:
- treating at least one end side of a disklike glass substrate with a treating solution containing a hydrofluosilicic acid; and
- then forming at least one magnetic layer on the glass substrate.
- 2. A magnetic recording disk manufacturing method comprising the step of:
- sand-blasting and polishing a disklike glass substrate;
- then treating the whole glass substrate with a treating solution containing a hydrofluosilicic acid; and
- then forming at least one magnetic layer on the glass substrate.
Priority Claims (4)
Number |
Date |
Country |
Kind |
6-339069 |
Dec 1994 |
JPX |
|
7-191259 |
Jul 1995 |
JPX |
|
7-306822 |
Oct 1995 |
JPX |
|
7-306823 |
Oct 1995 |
JPX |
|
Parent Case Info
This application is a division of U.S. application Ser. No. 08/579,319, filed on Dec. 27, 1995 now U.S. Pat. No. 5,654,057.
US Referenced Citations (5)
Divisions (1)
|
Number |
Date |
Country |
Parent |
579319 |
Dec 1995 |
|