Glass substrate for information recording medium and method...

Details Glass substrate for information recording medium and method... Glass substrate for information recording medium and method...

2003-10-22

2009-11-03

Alanko, Anita K (Department: 1792)

Etching a substrate: processes

Forming or treating article containing magnetically...

C216S024000, C216S083000, C216S088000, C216S089000, C216S097000

Reexamination Certificate

active

07611639

ABSTRACT:
A method for manufacturing a glass substrate having projections of the same height. The method includes forming a surface layer having a decreased chemical resistance on a glass plate, forming a texture including a plurality of projections having upper portions included in the surface layer, and selectively removing the surface layer.

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U.S. Appl. No. 10/532,564, filed Apr. 22, 2004 entitled, “Glass Substrate for Information Recording Medium and Method for Manufacturing Same.” (Related).
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