Patent ID: 11921422
Assignee: APPLIED MATERIALS, INC.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 9:
10. A baking chamber for baking a photomask, comprising:
a chamber body enclosing an interior volume;
a heater disposed in the interior volume, wherein the heater is configured to have a surface temperature of about 100 to about 400 degrees Celsius during use;
a substrate support configured to support a photomask disposed in the interior volume, wherein the substrate support has a direct line of sight with the heater such that the heater heats the substrate support via convection; and
a gas inlet and a gas outlet coupled to the interior volume and disposed in opposing sidewalls of the chamber body, and wherein the gas inlet is disposed vertically above the gas outlet, wherein the gas inlet and the gas outlet are disposed above a transfer slot of the baking chamber, and wherein the heater has a width greater than a width of the photomask.