SEMICONDUCTOR DEVICE MANUFACTURING METHOD

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United States of America Patent

APP PUB NO 20150171186A1
SERIAL NO

14413697

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Abstract

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The present application discloses a method for manufacturing a semiconductor device, comprising: forming a gate stack structure and gate sidewall spacers on the substrate, and forming a source region and a drain region on the substrate on opposite sides of the gate stack structure and the gate sidewall spacers, respectively; selectively forming a block layer in the drain region, wherein the block layer covers the drain region and exposes the source region; epitaxially forming an raised source region in the exposed source region; removing the block layer. According to the semiconductor device manufacturing method in the present disclosure, by selectively forming an raised source region in the source region side to form an asymmetric device structure, the parasitic resistance on the source region side and the parasitic capacitance on the drain region side are pertinently reduced and the device performance is effectively improved.

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Patent Owner(s)

Patent OwnerAddress
INSTITUTE OF MICROELECTRONICS CHINESE ACADEMY OF SCIENCES100029 BEIJING CITY CHAOYANG DISTRICT BEITUCHENG WEST ROAD NO 3 CHINESE ACADEMY OF SCIENCES INSTITUTE OF MICROELECTRONICS MUNICIPAL DISTRICT BEIJING CITY 100029

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yin, Haizhou Poughkeepsie, US 241 2072
Zhu, Huilong Poughkeepsie, US 589 8348

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