Semiconductor substrate structures and semiconductor devices

A semiconductor substrate structure includes a semiconductor substrate having a first conductivity type; a first buried well region disposed in the semiconductor substrate, having a second conductivity type opposite to the first conductivity type; and a first buried layer and a second buried layer d...

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Bibliographic Details
Main Authors CHEN, PO-AN, DEIVASIGAMANI, RAVI
Format Patent
LanguageChinese
English
Published 16.04.2019
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Summary:A semiconductor substrate structure includes a semiconductor substrate having a first conductivity type; a first buried well region disposed in the semiconductor substrate, having a second conductivity type opposite to the first conductivity type; and a first buried layer and a second buried layer disposed in the semiconductor substrate and on the first buried well region, wherein the first buried layer has the second conductivity type, the second buried layer has the first conductivity type, and the first layer has a first portion and a second portion, the second buried layer is located between the first portion and the second portion.
Bibliography:Application Number: TW20176132415