发明授权
US08007634B2 Wafer spin chuck and an etcher using the same 有权
晶圆旋转卡盘和使用其的蚀刻器

Wafer spin chuck and an etcher using the same
摘要:
A wafer spin chuck and an etcher using the same are provided. According to an aspect of the present invention, there is provide a wafer spin chuck device comprising: a spin body which spins a wafer; and a stationary body which holds the spin body and is under the spin body with a space between the spin body and the stationary body, wherein the stationary body includes a blocking unit which blocks the space with a fluid.
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