FIN-FET STRUCTURE AND METHOD OF MANUFACTURING SAME

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United States of America Patent

APP PUB NO 20160133696A1
SERIAL NO

14900491

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Abstract

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A method for fabricating a FinFET DEVICE is provided in the invention, comprising: a. providing a substrate (100);b. forming a fin (200) on the substrate (200); c. depositing a doping material layer (300) on the semiconductor structure formed after the step b; d. forming a first shallow trench isolation (400) on the semiconductor formed after the step c; e. removing a portion of the doping material layer (300) which is not covered by the first shallow trench isolation (400); f. performing an annealing process to form a doped region (500) in a channel region which is in the middle portion of the fin; g. forming a second shallow trench isolation (600) on the semiconductor formed after the step f; h. forming a source region and a drain region in opposite portions of the fin and forming a gate stack on the middle portion of the fin. Comparing with the prior art, punch through effect will be restrained and process complexity will be reduced.

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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
Zhang, Keke Liaocheng City, Shandong, CN 13 53

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