Capacitor wafer, preparation method thereof and semiconductor device

The invention discloses a capacitor wafer and a preparation method thereof, and a semiconductor device, and relates to the field of semiconductor technologies, the minimum thickness of a dielectric layer formed for the first time is larger than the lower limit of a target thickness range, and then t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ZHANG SUDONG, ZUO CHENGJIE, HE JUN, ZHOU ZHIHU
Format: Patent
Sprache:chi ; eng
Schlagworte:
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