Pre-aligning device for photoetching device
A lithography equipment and pre-alignment technology, which is applied in the field of integrated circuit manufacturing equipment, can solve the problem of high precision and stability of silicon wafer temperature, does not involve precise measurement of silicon wafer stable temperature, cannot know whether the silicon wafer temperature is up to standard, etc. problem, to achieve the effect of improving peace of mind
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[0040] A pre-alignment device according to a specific embodiment of the present invention will be described in detail below with reference to the accompanying drawings. However, the present invention should be understood as not limited to such embodiments described below, and the technical idea of the present invention can be implemented in combination with other known technologies or other technologies having the same functions as those known technologies.
[0041] In the following description, in order to clearly show the structure and working method of the present invention, many directional words will be used to describe, but "front", "rear", "left", "right", "outer", "inner" should be used Words such as ", "outward", "inward", "upper" and "lower" are to be understood as convenient terms, and should not be understood as restrictive terms. In addition, the term "X direction" used in the following description mainly refers to the direction parallel to the horizontal direct...
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