Method for producing semiconductor device and semiconductor device
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United States of America Patent
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Feb 13, 2018
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app pub date -
Jun 24, 2016
filing date -
Mar 5, 2014
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Abstract
A method for producing a semiconductor device includes a first step of forming a first insulating film around a fin-shaped semiconductor layer on a semiconductor substrate; a second step of forming a pillar-shaped semiconductor layer, a first dummy gate, and a first hard mask; a third step of forming a second hard mask, forming a second dummy gate, and forming a first dummy contact; a fourth step of forming a sidewall and forming a metal-semiconductor compound in an upper portion of a second diffusion layer; a fifth step of forming a gate electrode, a gate line, and a first contact; and a sixth step of forming a second contact, a third contact made of a second metal, and a fourth contact made of the second metal.
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