Other

Canon Sales Co., Inc.

Semiconductor Process Laboratory Co., Ltd.

Alcan-tech Co., Inc.

Semiconductor Process Co., Ltd.

Kouichi Ohira

Kazuo Maeda

Yoshimi Shioya

Hiroshi Ikakura

Tomomi Suzuki

Youichi Yamamoto

Shoji Ohgawara

Yuichiro Kotake

Mitsuo Hirose

Yuhko Nishimoto

Bunya Matsui

Hiroshi Chino

Makoto Kurotobi

Noritada Satoh

A process gas consisting of one of N, NO or a mixture thereof is converted to a plasma and then a surface of a copper wiring layer is exposed to the plasma of the process gas, whereby a surface portion of the copper wiring layer is reformed and made into a copper diffusion preventing barrier. According to this method, a noble semiconductor device can be provided having increased operational speed and less copper diffusion.

Semiconductor device and method of manufacturing the same

The present invention relates to a semiconductor device manufacturing method for forming an interlayer insulating film having a low dielectric constant by coating a copper wiring. The low dielectric constant insulating film is formed by reaction of a plasma of a film-forming gas containing an oxygen-containing gas of N O, H O, or CO , ammonia (NH ), and at least one of an alkyl compound having a siloxane bond and methylsilane (SiH (CH ) : n&equals;0, 1, 2, 3).

The present invention discloses a film forming method for forming an insulating film having a low dielectric constant. This method comprises the steps of adding at least one diluting gas of an inert gas and a nitrogen gas (N ) to a major deposition gas component consisting of siloxane and N O, converting the resultant deposition gas into plasma, causing reaction in the plasma, and forming an insulating film or on a substrate targeted for film formation.

Film forming method, semiconductor device and manufacturing method of the same

There is provided the film forming method of forming the insulating film containing silicon on the substrate by plasmanizing the compound having the siloxane bonds and the oxidizing gas to react with each other.

Film forming method and semiconductor device

In a semiconductor device manufacturing method for forming an interlayer insulating film having a low dielectric constant on a substrate from a surface of which a copper wiring is exposed, the interlayer insulating film consists of multi-layered insulating films and the insulating film , that contacts to the copper wiring , out of the multi-layered insulating films is formed by plasmanizing a film forming gas containing at least an alkyl compound having siloxane bonds and any one of nitrogen (N ) and ammonia (NH ) to react.

Disclosed is a method of fabricating a semiconductor device, in which an interlayer insulating film having a low dielectric constant is formed by coating a wiring, and either a via hole or a contact hole is formed in the interlayer insulating film. The method of fabricating a semiconductor device having the interlayer insulating film formed on the film-formed substrate with the exposed wiring , comprises the step of converting a silicon compound containing only the Si, O, C and H into a plasma gas as a film-forming gas to react the plasma gas, thus forming the block insulating film containing silicon (Si), oxygen (O), carbon (C) and hydrogen (H) between the wiring and the interlayer insulating film

Fabrication of a semiconductor device with an interlayer insulating film formed from a plasma devoid of an oxidizing agent

The present invention relates to a semiconductor device manufacturing method for forming an interlayer insulating film having a low dielectric constant by coating a copper wiring. The semiconductor device manufacturing method comprises the steps of preparing a substrate from a surface of which copper wirings are exposed, and forming an interlayer insulating film having a low dielectric constant on the substrate wherein the interlayer insulating film is formed of a multi-layered insulating film including a insulating film that contacts with the copper wirings and the insulating film is formed by plasmanizing a film forming gas containing an alkyl compound having an Si&mdash;O&mdash;Si bond and one oxygen-containing gas selected from the group consisting of N O, H O, and CO , whose flow rate is equal to or less than a flow rate of the siloxane, to react mutually.

There is provided a method of forming a silicon-containing insulating film on a substrate by reacting a compound having siloxane bonds and Si&mdash;R bonds (R is alkyl group) with a plasmanized reaction gas containing an oxidizing gas and H .

Film forming method, semiconductor device manufacturing method, and semiconductor device

The present invention relates to an impurity processing apparatus in which impurities such as phosphorus, boron, or the like are doped in a semiconductor substrate, etc., or a PSG (PhosphoSilicateGlass) film, a BSG (BoroSilicateGlass) film, or a BPSG (BoroPhosphoSilicateGlass) film, or a carbon film, etc. This apparatus includes a chamber having an introduction port for an impurity-containing ion gas which is connected to an impurity-containing gas supply section, a substrate holder supporting a substrate which is to be ion-injected, or doped, or on which a film is formed using the impurity-containing gas, an introduction port of a water-containing gas which is provided upstream of the substrate holder in accordance with a flow direction of the impurity-containing gas, and is connected to a water-containing gas supply section, and first plasma generating means in a space extending from the introduction port for water-containing gas to the substrate holder for converting water-containing gas to a plasma.

Impurity processing apparatus and method for cleaning impurity processing apparatus

The present invention relates to a plasma doping system capable of handling larger-diameter wafers and of introducing impurities to a shallow depth with a lower energy level. The plasma doping system includes a plasma generation chamber provided with a high-frequency power source and with antennas for generating a helicon plasma of a gas containing conduction type impurities. An impurity introduction chamber is provided with a substrate holding fixture. A plasma flow passage/shaping chamber provides a flow passage through which the helicon plasma flows from the plasma generation chamber to the impurity introduction chamber and has a magnetic field generator for generating a magnetic field to constrict the helicon plasma flowing therethrough.

Plasma doping system and plasma doping method

The present invention relates to a reaction apparatus for receiving a reaction gas and for heating a substrate so as to form a film such as an insulating film on the substrate or for etching, with reduced power consumption for heating the substrate. The apparatus can change a substrate temperature within a short period of time, and maintains throughput while reducing labor and cost for maintenance. The apparatus includes a substrate holder (12) with a base of an insulating material in which an electrode (22) and a heater (23) for heating the held substrate (20) are contained. The apparatus also includes a processing chamber (7) enclosed by a chamber wall (7a).

Substrate holder and reaction apparatus

An apparatus, for forming a film according to an automated continuous CVD (Chemical Vapor Deposition) method includes a wafer holder having a plurality of separate, detachable susceptors, a rotary shaft for rotating the wafer holder to rotate wafer mounting surfaces of the susceptors in one plane, a gas distributor spaced from the wafer holder and facing the moving surface of the wafer mounting surface to discharge a reaction gas onto the wafer mounting surfaces, and a heating instrument spaced from the wafer holder and facing the moving surface of the opposite side of the wafer mounting surfaces, in order to keep the wafer at a stable temperature during forming a film and to allow maintenance and repair to be easily and efficiently performed.

Apparatus for manufacturing semiconductor device

This invention relates to film-forming apparatus for forming an insulating film, for example, by the CVD method using an activated reaction gas. It is aimed at simplifying the apparatus, ensuring high film quality, enhancing the efficiency of formation of a plasma, and improving the uniformity of thickness of the produced film. The film-forming apparatus includes a plasma generator and a first gas discharger for discharging a first reaction gas into the plasma generator and a second gas discharger for discharging a second reaction gas onto a substrate. The second gas discharger includes a plurality of gas discharge pipes, in each of which a plurality of gas discharge holes are formed, whereby the second reaction gas is discharged from the gas discharge holes into contact with the activated first reaction gas and is itself activated so that a film is formed on the substrate through reaction of first and second reaction gases.

Apparatus for forming film

An apparatus for forming a film by the CVD method allows reaction products to be easily removed from a gas discharge surface without decreasing the uptime/downtime ratio, and includes a gas distributor having a gas discharge surface for discharge of a reaction gas for forming a film on a substrate. A wafer holder has a wafer mounting surface facing the gas discharge surface. A cleaner has a suction head and a brush formed at the entrance of the suction head. A rotary shaft supports the cleaner for movement between the gas discharge surface and a stand-by position and brings the brush of the cleaner onto the gas discharge surface. A vertical positioner moves the wafer holder or gas distributor upward or downward, whereby the wafer holder approaches the gas discharge surface for forming a film and is spaced from the gas discharge surface when cleaning the gas discharge surface by movement of the cleaner on the gas discharge surface.

Growing community of inventors

Tokyo, Japan

Kouichi Ohira