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US09293586B2 Epitaxial block layer for a fin field effect transistor device 有权
翅片场效应晶体管器件的外延阻挡层

Epitaxial block layer for a fin field effect transistor device
Abstract:
Approaches for enabling uniform epitaxial (epi) growth in an epi junction area of a semiconductor device (e.g., a fin field effect transistor device) are provided. Specifically, a semiconductor device is provided including a dummy gate and a set of fin field effect transistors (FinFETs) formed over a substrate; a spacer layer formed over the dummy gate and each of the set of FinFETs; and an epi material formed within a set of recesses in the substrate, the set of recesses formed prior to removal of an epi block layer over the dummy gate.
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