Method of flattening the substrate
A flattening and substrate technology, applied in the field of flattening process, can solve problems such as rough patterning and yield reduction, and achieve the effect of improving flatness
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[0054] Many different embodiments or examples are provided below to implement the features of various embodiments of the present invention. The following will briefly describe the structure and arrangement of specific embodiments. Of course, the following description is only an example and is not intended to limit the present invention. In addition, in each example of the present invention, there may be repeated element numbers, but the above repetition is only used to briefly and clearly describe the present invention, and does not mean that the various embodiments and structures are related.
[0055] Chemical mechanical polishing (CMP) is a process used to remove the film from the surface of the substrate, and it is usually used to remove the undulating film on the surface of the substrate. Since the chemical mechanical polishing pad presses the entire substrate surface, this process can remove the surface undulations across the entire substrate. Chemical mechanical polishing ...
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