Insulating film, method for manufacturing semiconductor device, and semiconductor device

In a semiconductor device including a transistor including an oxide semiconductor film and a protective film over the transistor, an oxide insulating film containing oxygen in excess of the stoichiometric composition is formed as the protective film under the following conditions: a substrate placed...

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Hauptverfasser: Hamochi, Takashi, Okazaki, Kenichi, Yokoyama, Shuhei, Sasaki, Toshinari
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creator Hamochi, Takashi
Okazaki, Kenichi
Yokoyama, Shuhei
Sasaki, Toshinari
description In a semiconductor device including a transistor including an oxide semiconductor film and a protective film over the transistor, an oxide insulating film containing oxygen in excess of the stoichiometric composition is formed as the protective film under the following conditions: a substrate placed in a treatment chamber evacuated to a vacuum level is held at a temperature higher than or equal to 180° C. and lower than or equal to 260° C.; a source gas is introduced into the treatment chamber so that the pressure in the treatment chamber is set to be higher than or equal to 100 Pa and lower than or equal to 250 Pa; and a high-frequency power higher than or equal to 0.17 W/cm2 and lower than or equal to 0.5 W/cm2 is supplied to an electrode provided in the treatment chamber.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
title Insulating film, method for manufacturing semiconductor device, and semiconductor device
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