Semiconductor device and manufacturing method thereof

A manufacturing method of a semiconductor device, comprises the following steps: providing a semiconductor substrate; forming a dummy insulation layer and a dummy electrode sequentially stacked on the semiconductor substrate; forming spacers on sidewalls of the dummy electrode; removing the dummy el...

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Bibliographic Details
Main Authors Nieh, Chun-Feng, Yeo, Yee-Chia, Chang, Huicheng, Chang, Tien-Shun
Format Patent
LanguageEnglish
Published 21.06.2022
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Summary:A manufacturing method of a semiconductor device, comprises the following steps: providing a semiconductor substrate; forming a dummy insulation layer and a dummy electrode sequentially stacked on the semiconductor substrate; forming spacers on sidewalls of the dummy electrode; removing the dummy electrode to exposes inner sidewalls of the spacers; and performing an ion implantation process to the inner sidewalls of the spacers and the dummy insulation layer.
Bibliography:Application Number: US202016901001