Planar VDMOS (Vertical Double-Diffusion Metal-Oxide-Semiconductor) transistor and preparation method thereof
A transistor, planar technology, applied in semiconductor/solid-state device manufacturing, semiconductor devices, electrical components, etc., can solve the problems of electromagnetic interference of switching circuits, high switching speed of planar VDMOS transistors, and reduce electromagnetic interference, The effect of reducing electromagnetic interference and reducing switching speed
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[0032] The following descriptions of some of the many possible embodiments of the present invention are intended to provide a basic understanding of the invention, and are not intended to identify key or critical elements of the invention or to limit the scope of protection. It is easy to understand that, according to the technical solutions of the present invention, without changing the essential spirit of the present invention, those of ordinary skill in the art can propose other alternative implementation manners. Therefore, the following specific embodiments and accompanying drawings are only exemplary descriptions of the technical solutions of the present invention, and should not be regarded as all of the present invention or as limitations or restrictions on the technical solutions of the present invention.
[0033] In the drawings, the thicknesses of layers and regions are exaggerated for clarity, and shape features such as rounding due to manufacturing processes such a...
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