Gate structure integration scheme for fin field effect transistors

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United States of America Patent

PATENT NO 9391155
APP PUB NO 20160079384A1
SERIAL NO

14953908

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Abstract

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In one embodiment, a semiconductor device is provided that includes a gate structure present on a channel portion of a fin structure. The gate structure includes a dielectric spacer contacting a sidewall of a gate dielectric and a gate conductor. Epitaxial source and drain regions are present on opposing sidewalls of the fin structure, wherein surfaces of the epitaxial source region and the epitaxial drain region that is in contact with the sidewalls of the fin structure are aligned with an outside surface of the dielectric spacer. In some embodiments, the dielectric spacer, the gate dielectric, and the gate conductor of the semiconductor device are formed using a single photoresist mask replacement gate sequence.

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Patent Owner(s)

Patent OwnerAddress
TESSERA INC3025 ORCHARD PARKWAY SAN JOSE CA 95134

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
He, Hong Schenectady, US 1180 7747
Tseng, Chiahsun Wynantskill, US 64 383
Yeh, Chun-Chen Clifton Park, US 417 3463
Yin, Yunpeng Niskayuna, US 96 1364

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