Method for manufacturing semiconductor device
A method for manufacturing a semiconductor device from a semiconductor wafer having a first major surface, a recess provided inside a periphery on opposite side of the first major surface and surrounded by the periphery, and a second major surface provided at bottom of the recess is provided. The me...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A method for manufacturing a semiconductor device from a semiconductor wafer having a first major surface, a recess provided inside a periphery on opposite side of the first major surface and surrounded by the periphery, and a second major surface provided at bottom of the recess is provided. The method comprises: fitting into the recess a doping mask having selectively formed openings to selectively cover the second major surface with the doping mask; and selectively introducing dopant into the second major surface. |
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