| 摘要 |
PROVIDED IS A METHOD FOR MANUFACTURING A GLASS SUBSTRATE(18) FOR AN INFORMATION RECORDING MEDIUM, WHICH IS ADVANTAGEOUS IN THAT OOZING OF AN ALKALI AND DEFORMATION OF A TEXTURE(21) ARE SUPPRESSED. THE GLASS SUBSTRATE(18) IS CHEMICALLY REINFORCED, AND A TEXTURE(21) IS FORMED IN THE GLASS SUBSTRATE(18) , AND THEN TREATED WITH A NEUTRAL OR ALKALINE AQUEOUS SOLUTION. IN THE TEXTURE FORMING STEP(S16), THE SURFACE OF THE GLASS SUBSTRATE(18) IS ETCHED IN A DEPTH OF 0.5 TO 10 NM.
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