Invention Grant
US08854449B2 Substrate position detection apparatus, film deposition apparatus equipped with the same, and substrate position detection method 有权
基板位置检测装置,具备该基板位置检测装置的成膜装置以及基板位置检测方法

Substrate position detection apparatus, film deposition apparatus equipped with the same, and substrate position detection method
Abstract:
A substrate position detection method includes rotating the susceptor so that the substrate receiving portion is moved into an image taking area of a imaging apparatus; detecting first two position detection marks provided in the process chamber so that the first two position detection marks are within the image taking area, wherein a first perpendicular bisector of the first two position detection marks passes through a rotational center of the susceptor; detecting second two position detection marks provided in the susceptor so that the second two position detection marks can be within the image taking area, wherein a second perpendicular bisector of the second two position detection marks passes through the rotational center of the susceptor and a center of the substrate receiving portion; and determining whether the substrate receiving portion is positioned in a predetermined range in accordance with the detected first two and second two position detection marks.
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