Semiconductor device including fin structures and manufacturing method thereof

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United States of America Patent

PATENT NO 9871038
SERIAL NO

15285058

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Abstract

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A semiconductor device includes device areas where a Fin FET is disposed and a non-device area disposed between the device areas, which includes a dummy structure. The Fin FET includes a fin structure having a well region including a first semiconductor layer, a stressor region including a second semiconductor layer and a channel region including a third semiconductor layer; an isolation region in which the well region is embedded, and from which at least an upper port of the channel region is exposed; a gate structure disposed over a part of the fin structure. The dummy structure in the non-device area includes a first dummy layer formed over the first semiconductor layer and made of a different material from the stressor region, and a second dummy layer formed over the first dummy layer and made of a different material from the channel region.

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Patent Owner(s)

Patent OwnerAddress
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD8 LI-HSIN RD 6 HSINCHU SCIENCE PARK HSINCHU 300-78

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hsiao, Tsung-Chieh Changhua County, TW 58 71
Wang, Sheng-chen Hsinchu, TW 149 696
Yeong, Sai-Hooi Hsinchu County, TW 508 1349

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