摘要:
A surface of a copper (Cu) wiring layer formed over a semiconductor substrate is exposed to a plasma gas selected from the group consisting of an ammonia gas, a mixed gas of nitrogen and hydrogen, a CF4 gas, a C2F6 gas and a NF3 gas. The surface of the copper (Cu) wiring layer is then exposed to an atmosphere or a plasma of a gas selected from the group consisting of an ammonia gas, an ethylenediamine gas, a fÀ-diketone gas, a mixed gas consisting of the ammonia gas and a hydrocarbon gas (CxHy), and a mixed gas consisting of a nitrogen gas and the hydrocarbon gas (CxHy), and a Cu diffusion preventing insulating film is formed on the copper (Cu) wiring layer.
摘要:
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 (N2) to a major deposition gas component consisting of siloxane and N2O, converting the resultant deposition gas into plasma, causing reaction in the plasma, and forming an insulating film 25,27, or 28 on a substrate targeted for film formation.
摘要:
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 25 formed on the film-formed substrate 21 with the exposed wiring 23, 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 24 containing silicon (Si), oxygen (O), carbon (C) and hydrogen (H) between the wiring 23 and the interlayer insulating film 25.
摘要:
A semiconductor device having a barrier insulating film covering a copper wiring is formed by a plasma enhanced CVD method. The method includes supplying high frequency power of a frequency of 1 MHz or more to a first electrode, and holding a substrate on which copper wiring is formed on a second electrode facing the first electrode; supplying a film forming gas containing an alkyl compound and an oxygen-containing gas between the first and second electrodes while regulating gas pressure of the film forming gas to 1 Torr or less; and supplying high frequency power to either of the first and second electrodes to convert the film forming gas into a plasma, and allowing the alkyl compound and the oxygen-containing gas of the film forming gas to react to form a barrier insulating film covering the surface of the substrate.
摘要:
The present invention relates to a manufacturing method of a semiconductor device in which a barrier insulating film and a main insulating film having low relative dielectric constant are sequentially formed while a wiring mainly consisting of copper film is coated. Its constitution includes the steps of: forming the barrier insulating film 35a on a substrate 21 subject to deposition, in which an electric power having a first frequency (f1) is applied to a first film forming gas containing at least silicon-containing gas and oxygen-containing gas to transform said first film forming gas into plasma and to cause reaction; and forming the main insulating film 35b having low relative dielectric constant on the barrier insulating film 35a, in which an electric power having a second frequency (f2) higher than the first frequency (f1) is applied to a second film forming gas containing at least the silicon-containing gas and the oxygen-containing gas to transform the second film forming gas into plasma and to cause reaction.
摘要:
There is provided the film forming method of forming the insulating film 204 containing silicon on the substrate 103 by plasmanizing the compound having the siloxane bonds and the oxidizing gas to react with each other.
摘要:
A process gas consisting of one of N2, N2O 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.
摘要翻译:由N 2 N 2 N 2 O 2或其混合物之一组成的工艺气体被转化为等离子体,然后将铜布线层的表面暴露于等离子体 的处理气体,由此将铜布线层的表面部分重整并制成铜扩散防止屏障。 根据该方法,可以提供具有增加的操作速度和较少的铜扩散的贵金属半导体器件。
摘要:
The present invention relates to a semiconductor device in which a barrier insulating film is formed to cover a copper film or a wiring consisting mainly of the copper film. The barrier insulating film is a structure of two or more layers including at least a first barrier insulating film containing silicon, oxygen, nitrogen and hydrogen or silicon, oxygen, nitrogen, hydrogen and carbon, and a second barrier insulating film containing silicon, oxygen and hydrogen or silicon, oxygen, hydrogen and carbon.
摘要:
A semiconductor device is manufactured by the steps of generating a film forming gas by setting a flow rate ratio of H2O to any one of a silicon-contained organic compound having a siloxane bond and a silicon-contained organic compound having a CH3 group to 4 or more and adjusting a gas pressure to 1.5 Torr or more, applying a power to the film forming gas to generate a plasma thereof so as to react it, and thus forming a low-dielectric insulating film (62) on a substrate (61), plasmanizing a process gas containing at least any one of He, Ar, H2 or deuterium, and bringing the low-dielectric insulating film (62) into contact with the plasma of the process gas.
摘要翻译:通过以下步骤制造半导体器件:通过将H 2 O 2的流量比设定为具有硅氧烷键的含硅有机化合物和含硅的有机化合物中的任何一种来生成成膜气体 具有CH 3 3〜4以上的有机化合物,将气体压力调节至1.5Torr以上,向成膜气体施加电力,生成等离子体,使其反应, 在基板(61)上形成低介电绝缘膜(62),使包含He,Ar,H 2或氘中的至少任何一种的工艺气体均质化,并使低介电绝缘层 膜(62)与工艺气体的等离子体接触。
摘要:
A semiconductor device is manufactured by the steps of generating a film forming gas by setting a flow rate ratio of H2O to any one of a silicon-contained organic compound having a siloxane bond and a silicon-contained organic compound having a CH3 group to 4 or more and adjusting a gas pressure to 1.5 Torr or more, applying a power to the film forming gas to generate a plasma thereof so as to react it, and thus forming a low-dielectric insulating film (62) on a substrate (61), plasmanizing a process gas containing at least any one of He, Ar, H2 or deuterium, and bringing the low-dielectric insulating film (62) into contact with the plasma of the process gas.
摘要翻译:通过以下步骤制造半导体器件:通过将H 2 O 2的流量比设定为具有硅氧烷键的含硅有机化合物和含硅的有机化合物中的任何一种来生成成膜气体 具有CH 3 3〜4以上的有机化合物,将气体压力调节至1.5Torr以上,向成膜气体施加电力,生成等离子体,使其反应, 在基板(61)上形成低介电绝缘膜(62),使包含He,Ar,H 2或氘中的至少任何一种的工艺气体均质化,并使低介电绝缘层 膜(62)与工艺气体的等离子体接触。