Patent ID: 11967487
Assignee: TOKYO ELECTRON LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  B  Y | IPC B  H

Claim 1:
2. The forming method of the electrostatic chuck of claim 1, further comprising:
a second process of irradiating, while spreading only a first one of the source material of the silicon carbide and the source material of the alumina on the stage, the ultraviolet ray to the first one such that the first one is melted and solidified, and
a third process of irradiating, while spreading only a second one of the source material of the silicon carbide and the source material of the alumina on the stage, the ultraviolet ray to the second one such that the second one is melted and solidified,
wherein the second process is performed before the first process, and
the third process is performed after the first process.