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US 8,893,527 B1Granted
Single surface annealing of glass disks
AssigneeWD Media, LLC
InventorsRichie Y. Chan, Magenthiran Verapatran, Mohamad F. Azmi, Beehuah Ong
Life of this patent
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Abstract
A method for annealing a glass disk is disclosed. The glass disk is placed on a base, whereby the bottom surface of the glass disk makes a contact with the base, and the top surface of the glass disk is exposed to air. The glass disk is heated with thermal energy supplied to the glass disk, the thermal energy comprising first thermal energy supplied from the air through the top surface and second thermal energy supplied from the base through the bottom surface.
Claims16
A method for annealing a glass disk, the method comprising:
- placing the glass disk on a base comprising a sheet of glass having a plurality of openings that facilitate air circulation, whereby the bottom surface of the glass disk makes a contact with the base, and the top surface of the glass disk is exposed to air;
- and
- heating the glass disk with thermal energy supplied to the glass disk, the thermal energy comprising first thermal energy supplied from the air through the top surface and second thermal energy supplied from the base through the bottom surface.
Dependencies are inferred from the claim text.