Kokusai Electric Corporation

Hitachi-kokusai Electric Inc.

Hiroto Igawa

Masanori Nakayama

Katsunori Funaki

Yuichiro Takeshima

Yasutoshi Tsubota

Tatsushi Ueda

Yuki Yamakado

Eiko Takami

Teruo Yoshino

Koichiro Harada

Masaki Murobayashi

Keita Ichimura

There is provided a technique that includes: preparing the substrate including a silicon-containing film and a metal film composed of a metal element, which includes at least one selected from the group of tungsten, titanium, ruthenium, and molybdenum and, which are formed on a surface of the substrate; and simultaneously performing modifying the metal film and modifying the silicon-containing film by supplying reactive species, which are generated by plasma-exciting a processing gas containing hydrogen and oxygen, to the substrate.

Method of manufacturing semiconductor device, substrate processing apparatus, and recording medium

A method of manufacturing a semiconductor device includes accommodating a substrate in a process chamber; supplying a first gas containing oxygen into the process chamber; generating plasma in the process chamber by exciting the first gas; supplying a second gas containing hydrogen into the process chamber and adjusting a hydrogen concentration distribution in the process chamber according to a density distribution of the plasma in the process chamber; and processing the substrate with oxidizing species generated by the plasma.

According to one aspect of the technique, there is provided a method of manufacturing a semiconductor device, including: (a) forming a first oxide layer by modifying a surface of a substrate at a first temperature with a plasma of a first oxygen-containing gas; and (b) forming a second oxide layer thicker than the first oxide layer by heating the substrate to a second temperature higher than the first temperature and modifying the surface of the substrate, on which the first oxide layer is formed, with a plasma of a second oxygen-containing gas.

Method of manufacturing semiconductor device, substrate processing apparatus and non-transitory computer-readable recording medium

There is provided a technique that includes: loading a substrate having a metal film composed of a single metal element formed on a surface of the substrate into a process chamber; generating reactive species by plasma-exciting a processing gas containing hydrogen and oxygen; and modifying the metal film by supplying the reactive species to the substrate, wherein in the act of modifying the metal film, the metal film is modified such that a crystal grain size of the metal element constituting the metal film is larger than that before performing the act of modifying the metal film.

According to one aspect of the technique of the present disclosure, there is provided a method of manufacturing a semiconductor device including: (a) providing a semiconductor processing apparatus including a substrate process chamber, a coil and a substrate support; (b) placing a target substrate with a concave structure of a silicon film on a substrate support, wherein a deteriorated layer is formed on an inner surface of the concave structure by deterioration of a surface layer of the silicon film due to an etching process; (c) supplying an oxygen-containing gas into the substrate process chamber; (d) applying a high frequency power to the coil to generate plasma of the oxygen-containing gas; and (e) oxidizing, by the plasma, a surface of the silicon film exposed in the concave structure wherein the deteriorated layer is formed on the surface.

Method of manufacturing semiconductor device and non-transitory computer-readable recording medium

Described herein is a technique capable of improving electrical characteristics of a polysilicon film while suppressing damage to an underlying silicon oxide film. According to the technique described herein, there is provided a there is provided a method of manufacturing a semiconductor device, including: (a) preparing a substrate including a silicon oxide film and a polysilicon film formed on the silicon oxide film, wherein the polysilicon film includes a contact surface contacting the silicon oxide film and an exposed surface facing the contact surface; and (b) supplying a reactive species generated by plasma excitation of a gas containing hydrogen and oxygen to the exposed surface of the polysilicon film.

Described herein is a technique capable of suppressing variations or deterioration in a processing rate between a plurality of substrates due to temperature. According to one aspect of the technique of the present disclosure, there is provided a substrate processing apparatus including: a process vessel constituting at least a part of a process chamber where a substrate is processed; a plasma generator comprising a coil provided to be wound around an outer periphery of the process vessel and a high frequency power supply configured to supply high frequency power to the coil; a substrate support provided in the process chamber and below a lower end of the coil; a heater provided in the substrate support; and a temperature sensor configured to measure a temperature of a portion of the process vessel located above an upper end of the coil.

Substrate processing apparatus, method of manufacturing semiconductor device and non-transitory computer-readable recording medium

There is provided a technique that includes: (a) loading a substrate including a base and a first film containing silicon and formed on the base into a process container; (b) converting a modifying gas containing helium into plasma to generate reactive species of helium; and (c) supplying the modifying gas containing the reactive species of helium to a surface of the substrate to respectively modify the first film and an interface layer of the base constituting an interface with the first film.

Method of manufacturing semiconductor device, and recording medium

Described herein is a technique capable of improving electrical characteristics of a semiconductor device. According to the technique, there is provided a method of manufacturing a semiconductor device including: (a) generating oxygen and hydrogen active species; and (b) forming an oxide layer by supplying the oxygen and hydrogen active species to a substrate with a concave structure to subject a film on an inner surface of the concave structure to oxidation, wherein the oxide layer is formed in (b) such that a thickness of the oxide layer is greater on the inner surface than at an upper end portion of the concave structure by setting a ratio of a flow rate of the hydrogen active species to a total flow rate to a predetermined ratio greater than a first ratio at which a rate of forming the oxide layer is maximized at the upper end portion of the concave structure.

Method of manufacturing semiconductor device

A semiconductor manufacturing method includes preparing a substrate having a metal film formed on a surface thereof; forming an oxide layer by oxidizing a surface of the metal film by plasma of a mixed gas of an oxygen-containing gas and a hydrogen-containing gas; and forming a thin film on the oxide layer by supplying at least an oxidizing gas to the substrate.

Growing community of inventors

Toyama, Japan

Hiroto Igawa