Semiconductor device manufacturing method
A manufacturing method and semiconductor technology, applied in semiconductor/solid-state device manufacturing, electrical components, circuits, etc., can solve problems such as reducing the yield rate of semiconductor devices and affecting the performance of semiconductor devices, so as to prevent undercutting, improve performance, and avoid corrosion Effect
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[0039] In order to make the content of the present invention clearer and easier to understand, the content of the present invention will be further described below in conjunction with the accompanying drawings of the specification. Of course, the present invention is not limited to this specific embodiment, and general replacements well known to those skilled in the art are also covered by the protection scope of the present invention.
[0040] Secondly, the present invention uses schematic diagrams to describe in detail. When describing the examples of the present invention, for convenience of description, the schematic diagrams are not partially enlarged according to the general scale, and this should not be used as a limitation of the present invention.
[0041] The structure diagram of each step of the semiconductor device manufacturing method well known to the inventor is as Figure 1~6 Shown.
[0042] Such as figure 1 As shown, a semiconductor substrate 10 is first provided, a ...
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