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    • 1. 发明授权
    • Semiconductor apparatus having conductive thin films and manufacturing apparatus therefor
    • 具有导电薄膜的半导体装置及其制造装置
    • US06468845B1
    • 2002-10-22
    • US09536642
    • 2000-03-28
    • Takashi NakajimaHideo MiuraHiroyuki OhtaNoriaki Okamoto
    • Takashi NakajimaHideo MiuraHiroyuki OhtaNoriaki Okamoto
    • H01L2184
    • H01L21/28097H01L21/28035H01L21/28518H01L21/28525H01L21/32053H01L21/76838H01L21/76877H01L21/823437H01L23/485H01L23/53257H01L23/53271H01L28/40H01L29/4925H01L29/4975H01L2924/0002Y10T117/10Y10T117/1004H01L2924/00
    • In forming an electrode 2 on a silicon oxide film 5 on a semiconductor substrate 4 through a silicon oxide film 5, for example, the gate electrode 2 is structured in a laminated structure of a plurality of polycrystalline silicon layers 6. The portion of the gate electrode 2 is formed by a method of manufacturing a thin film having a process of depositing amorphous layers and a process of crystallizing (recrystallizing) this amorphous material. In this case, depositing of the amorphous layers is carried out dividedly by a plurality of times so that the thickness of an amorphous layer to be deposited at one time is not larger than a thickness to be prescribed by a critical stress value determined according to a fail event, the amorphous material is crystallized after each process of depositing each amorphous layer has been finished, and the process of depositing amorphous layers and the process of crystallizing the amorphous material are repeated, whereby a laminated structure of the polycrystalline layer 6 having a necessary film thickness is obtained. With the above-described arrangement, it is possible to prevent a deterioration of electric characteristics of a semiconductor device and an occurrence of a defect, such as a peeling off between layers, cracks in a layer, etc., and it is possible to obtain a polycrystalline layer of small grain size in a desired film thickness by a lamination of polycrystalline materials.
    • 例如,通过氧化硅膜5在半导体衬底4上的氧化硅膜5上形成电极2时,栅电极2被构成为多个多晶硅层6的层叠结构。栅极部分 通过制造具有沉积非晶层的工艺的薄膜的方法和使该非晶材料结晶(再结晶)的方法形成电极2。 在这种情况下,非晶层的沉积被分开多次进行,使得一次沉积的非晶层的厚度不大于根据根据下式确定的临界应力值规定的厚度 在每个非晶层的沉积过程完成之后,非晶材料结晶,重复沉积非晶层的过程和结晶非晶材料的过程,由此多晶层6的层压结构具有必要的 获得膜厚度。 利用上述结构,可以防止半导体器件的电特性的恶化和层之间的剥离等缺陷的发生,层中的裂纹等,并且可以获得 通过多晶材料的层叠,具有所需膜厚度的小晶粒尺寸的多晶层。
    • 2. 发明授权
    • Semiconductor device including multi-layer conductive thin film of
polycrystalline material
    • 半导体器件包括多层导电薄膜的多晶材料
    • US5444302A
    • 1995-08-22
    • US168506
    • 1993-12-22
    • Takashi NakajimaHideo MiuraHiroyuki OhtaNoriaki Okamoto
    • Takashi NakajimaHideo MiuraHiroyuki OhtaNoriaki Okamoto
    • H01L21/02H01L23/532H01L29/49H01L23/48H01L29/46
    • H01L21/28097H01L21/28035H01L21/28518H01L21/28525H01L21/32053H01L21/76838H01L21/76877H01L21/823437H01L23/485H01L23/53257H01L23/53271H01L28/40H01L29/4925H01L29/4975H01L2924/0002Y10T117/10Y10T117/1004
    • In forming an electrode 2 on a silicon 6 oxide film 5 on a semiconductor substrate 4 through a silicon oxide film 5, for example, the gate electrode 2 is structured in a laminated structure of a plurality of polycrystalline silicon layers 6. The portion of the gate electrode 2 is formed by a method of manufacturing a thin film having a process of depositing amorphous layers and a process of crystallizing (recrystallizing) this amorphous material. In this case, depositing of the amorphous layers is carried out dividedly by a plurality of times so that the thickness of an amorphous layer to be deposited at one time is not larger than a thickness to be prescribed by a critical stress value determined according to a fail event, the amorphous material is crystallized after each process of depositing each amorphous layer has been finished, and the process of depositing amorphous layers and the process of crystallizing the amorphous material are repeated, whereby a laminated structure of the polycrystalline layer 6 having a necessary film thickness is obtained. With the above-described arrangement, it is possible to prevent a deterioration of electric characteristics of a semiconductor device and an occurrence of a defect, such as a peeling off between layers, cracks in a layer, etc., and it is possible to obtain a polycrystalline layer of small grain size in a desired film thickness by a lamination of polycrystalline materials.
    • 例如,通过氧化硅膜5在半导体衬底4上的硅6氧化膜5上形成电极2时,栅电极2被构成为多个多晶硅层6的层叠结构。 通过制造具有沉积非晶层的工艺的薄膜的方法和使该非晶材料结晶(再结晶)的方法形成栅电极2。 在这种情况下,非晶层的沉积被分开多次进行,使得一次沉积的非晶层的厚度不大于根据根据下式确定的临界应力值规定的厚度 在每个非晶层的沉积过程完成之后,非晶材料结晶,重复沉积非晶层的过程和结晶非晶材料的过程,由此多晶层6的层压结构具有必要的 获得膜厚度。 利用上述结构,可以防止半导体器件的电特性的恶化和层之间的剥离等缺陷的发生,层中的裂纹等,并且可以获得 通过多晶材料的层叠,具有所需膜厚度的小晶粒尺寸的多晶层。
    • 3. 发明授权
    • Method of manufacturing semiconductor device having conductive thin films
    • 制造具有导电薄膜的半导体器件的方法
    • US07442593B2
    • 2008-10-28
    • US11480912
    • 2006-07-06
    • Takashi NakajimaHideo MiuraHiroyuki OhtaNoriaki Okamoto
    • Takashi NakajimaHideo MiuraHiroyuki OhtaNoriaki Okamoto
    • H01L21/00H01L21/84
    • H01L21/28097H01L21/28035H01L21/28518H01L21/28525H01L21/32053H01L21/76838H01L21/76877H01L21/823437H01L23/485H01L23/53257H01L23/53271H01L28/40H01L29/4925H01L29/4975H01L2924/0002Y10T117/10Y10T117/1004H01L2924/00
    • In forming an electrode 2 on a silicon oxide film 5 on a semiconductor substrate 4 through a silicon oxide film 5, for example, the gate electrode 2 is structured in a laminated structure of a plurality of polycrystalline silicon layers 6. The portion of the gate electrode 2 is formed by a method of manufacturing a thin film having a process of depositing amorphous layers and a process of crystallizing (recrystallizing) this amorphous material. In this case, depositing of the amorphous layers is carried out dividedly by a plurality of times so that the thickness of an amorphous layer to be deposited at one time is not larger than a thickness to be prescribed by a critical stress value determined according to a fail event, the amorphous material is crystallized after each process of depositing each amorphous layer has been finished, and the process of depositing amorphous layers and the process of crystallizing the amorphous material are repeated, whereby a laminated structure of the polycrystalline layer 6 having a necessary film thickness is obtained. With the above-described arrangement, it is possible to prevent a deterioration of electric characteristics of a semiconductor device and an occurrence of a defect, such as a peeling off between layers, cracks in a layer, etc., and it is possible to obtain a polycrystalline layer of small grain size in a desired film thickness by a lamination of polycrystalline materials.
    • 在半导体衬底4上的氧化硅膜5上通过氧化硅膜5形成电极2时,例如,栅电极2被构成为多个多晶硅层6的叠层结构。 栅电极2的部分通过制造具有沉积非晶层的工艺的薄膜的方法和使该非晶材料结晶(再结晶)的方法形成。 在这种情况下,非晶层的沉积被分开多次进行,使得一次沉积的非晶层的厚度不大于根据根据下式确定的临界应力值规定的厚度 在每个非晶层的沉积过程完成之后,非晶材料结晶,重复沉积非晶层的过程和结晶非晶材料的过程,由此多晶层6的层压结构具有必要的 获得膜厚度。 利用上述结构,可以防止半导体器件的电特性的恶化和层之间的剥离等缺陷的发生,层中的裂纹等,并且可以获得 通过多晶材料的层叠,具有所需膜厚度的小晶粒尺寸的多晶层。
    • 4. 发明授权
    • Method of manufacturing semiconductor device having conductive thin films
    • 制造具有导电薄膜的半导体器件的方法
    • US07091520B2
    • 2006-08-15
    • US10265105
    • 2002-10-07
    • Takashi NakajimaHideo MiuraHiroyuki OhtaNoriaki Okamoto
    • Takashi NakajimaHideo MiuraHiroyuki OhtaNoriaki Okamoto
    • H01L29/10
    • H01L21/28097H01L21/28035H01L21/28518H01L21/28525H01L21/32053H01L21/76838H01L21/76877H01L21/823437H01L23/485H01L23/53257H01L23/53271H01L28/40H01L29/4925H01L29/4975H01L2924/0002Y10T117/10Y10T117/1004H01L2924/00
    • In forming an electrode 2 on a silicon oxide film 5 on a semiconductor substrate 4 through a silicon oxide film 5, for example, the gate electrode 2 is structured in a laminated structure of a plurality of polycrystalline silicon layers 6. The portion of the gate electrode 2 is formed by a method of manufacturing a thin film having a process of depositing amorphous layers and a process of crystallizing (recrystallizing) this amorphous material. In this case, depositing of the amorphous layers is carried out dividedly by a plurality of times so that the thickness of an amorphous layer to be deposited at one time is not larger than a thickness to be prescribed by a critical stress value determined according to a fail event, the amorphous material is crystallized after each process of depositing each amorphous layer has been finished, and the process of depositing amorphous layers and the process of crystallizing the amorphous material are repeated, whereby a laminated structure of the polycrystalline layer 6 having a necessary film thickness is obtained. With the above-described arrangement, it is possible to prevent a deterioration of electric characteristics of a semiconductor device and an occurrence of a defect, such as a peeling off between layers, cracks in a layer, etc., and it is possible to obtain a polycrystalline layer of small grain size in a desired film thickness by a lamination of polycrystalline materials.
    • 在半导体衬底4上的氧化硅膜5上通过氧化硅膜5形成电极2时,例如,栅电极2被构成为多个多晶硅层6的叠层结构。 栅电极2的部分通过制造具有沉积非晶层的工艺的薄膜的方法和使该非晶材料结晶(再结晶)的方法形成。 在这种情况下,非晶层的沉积被分开多次进行,使得一次沉积的非晶层的厚度不大于根据根据下式确定的临界应力值规定的厚度 在每个非晶层的沉积过程完成之后,非晶材料结晶,重复沉积非晶层的过程和结晶非晶材料的过程,由此多晶层6的层压结构具有必要的 获得膜厚度。 利用上述结构,可以防止半导体器件的电特性的恶化和层之间的剥离等缺陷的发生,层中的裂纹等,并且可以获得 通过多晶材料的层叠,具有所需膜厚度的小晶粒尺寸的多晶层。
    • 5. 发明授权
    • Semiconductor apparatus having conductive thin films
    • 具有导电薄膜的半导体装置
    • US06346731B1
    • 2002-02-12
    • US09499898
    • 2000-02-08
    • Takashi NakajimaHideo MiuraHiroyuki OhtaNoriaki Okamoto
    • Takashi NakajimaHideo MiuraHiroyuki OhtaNoriaki Okamoto
    • H02L2976
    • H01L21/28097H01L21/28035H01L21/28518H01L21/28525H01L21/32053H01L21/76838H01L21/76877H01L21/823437H01L23/485H01L23/53257H01L23/53271H01L28/40H01L29/4925H01L29/4975H01L2924/0002Y10T117/10Y10T117/1004H01L2924/00
    • In forming an electrode 2 on a silicon oxide film 5 on a semiconductor substrate 4 through a silicon oxide film 5, for example, the gate electrode 2 is structured in a laminated structure of a plurality of polycrystalline silicon layers 6. The portion of the gate electrode 2 is formed by a method of manufacturing a thin film having a process of depositing amorphous layers and a process of crystallizing (recrystallizing) this amorphous material. In this case, depositing of the amorphous layers is carried out dividedly by a plurality of times so that the thickness of an amorphous layer to be deposited at one time is not larger than a thickness to be prescribed by a critical stress value determined according to a fail event, the amorphous material is crystallized after each process of depositing each amorphous layer has been finished, and the process of depositing amorphous layers and the process of crystallizing the amorphous material are repeated, whereby a laminated structure of the polycrystalline layer 6 having a necessary film thickness is obtained. With the above-described arrangement, it is possible to prevent a deterioration of electric characteristics of a semiconductor device and an occurrence of a defect, such as a peeling off between layers, cracks in a layer, etc., and it is possible to obtain a polycrystalline layer of small grain size in a desired film thickness by a lamination of polycrystalline materials.
    • 例如,通过氧化硅膜5在半导体衬底4上的氧化硅膜5上形成电极2时,栅电极2被构成为多个多晶硅层6的层叠结构。栅极部分 通过制造具有沉积非晶层的工艺的薄膜的方法和使该非晶材料结晶(再结晶)的方法形成电极2。 在这种情况下,非晶层的沉积被分开多次进行,使得一次沉积的非晶层的厚度不大于根据根据下式确定的临界应力值规定的厚度 在每个非晶层的沉积过程完成之后,非晶材料结晶,重复沉积非晶层的过程和结晶非晶材料的过程,由此多晶层6的层压结构具有必要的 获得膜厚度。 利用上述结构,可以防止半导体器件的电特性的恶化和层之间的剥离等缺陷的发生,层中的裂纹等,并且可以获得 通过多晶材料的层叠,具有所需膜厚度的小晶粒尺寸的多晶层。
    • 6. 发明授权
    • Semiconductor apparatus having conductive thin films
    • 具有导电薄膜的半导体装置
    • US6118140A
    • 2000-09-12
    • US749324
    • 1996-11-14
    • Takashi NakajimaHideo MiuraHiroyuki OhtaNoriaki Okamoto
    • Takashi NakajimaHideo MiuraHiroyuki OhtaNoriaki Okamoto
    • H01L21/02H01L23/532H01L29/49H01L29/04H01L31/036
    • H01L21/28097H01L21/28035H01L21/28518H01L21/28525H01L21/32053H01L21/76838H01L21/76877H01L21/823437H01L23/485H01L23/53257H01L23/53271H01L28/40H01L29/4925H01L29/4975H01L2924/0002Y10T117/10Y10T117/1004
    • In forming an electrode on a silicon oxide film on a semiconductor substrate through a silicon oxide film, for example, the gate electrode 2 is structured in a laminated structure of a plurality of polycrystalline silicon layers. The portion of the gate electrode is formed by a method of manufacturing a thin film having a process of depositing amorphous layers and of crystallizing (recrystallizing) this amorphous material. Depositing of the amorphous layers is carried out a plurality of times so that the thickness of an amorphous layer to be deposited at one time is not larger than a thickness to be prescribed by a critical stress value determined according to a fail event, the amorphous material is crystallized after each process of depositing each amorphous layer has been finished, and the process of depositing amorphous layers and crystallizing the amorphous material are repeated, whereby a laminated structure of polycrystalline layers having a necessary film thickness is obtained. It is possible to prevent deterioration of electric characteristics of a semiconductor device and an occurrence of a defect, such as a peeling off between layers, cracks in a layer, etc., and it is possible to obtain a polycrystalline layer of small grain size in a desired film thickness by a lamination of polycrystalline materials.
    • 在通过氧化硅膜在半导体衬底上形成氧化硅膜上的电极时,例如,栅电极2被构造成多个多晶硅层的叠层结构。 栅电极的部分通过制造具有沉积非晶层并使(非晶态)结晶(再结晶))的方法的薄膜的制造方法形成。 非晶层的沉积进行多次,使得一次沉积的非晶层的厚度不大于根据失败事件确定的临界应力值规定的厚度,非晶材料 在沉积每个非晶层的每个工艺完成后结晶,并且重复沉积非晶层并使无定形材料结晶的过程,从而获得具有所需膜厚度的多晶层的层叠结构。 可以防止半导体器件的电特性的劣化和层之间的剥离等缺陷的发生,层中的裂纹等的发生,并且可以获得小晶粒尺寸的多晶层 通过层压多晶材料制成所需的膜厚度。
    • 8. 发明授权
    • Apparatus for manufacturing a semiconductor device having conductive
then films
    • 用于制造具有导电膜的半导体器件的装置
    • US5683515A
    • 1997-11-04
    • US534118
    • 1995-09-26
    • Takashi NakajimaHideo MiuraHiroyuki OhtaNoriaki Okamoto
    • Takashi NakajimaHideo MiuraHiroyuki OhtaNoriaki Okamoto
    • H01L21/02H01L23/532H01L29/49C23C16/00
    • H01L21/28097H01L21/28035H01L21/28518H01L21/28525H01L21/32053H01L21/76838H01L21/76877H01L21/823437H01L23/485H01L23/53257H01L23/53271H01L28/40H01L29/4925H01L29/4975H01L2924/0002Y10T117/10Y10T117/1004
    • In forming an electrode 2 on a silicon oxide film 5 on a semiconductor substrate 4 through a silicon oxide film 5, for example, the gate electrode 2 is structured in a laminated structure of a plurality of polycrystalline silicon layers 6. The portion of the gate electrode 2 is formed by a method of manufacturing a thin film having a process of depositing amorphous layers and a process of crystallizing (recrystallizing) this amorphous material. In this case, depositing of the amorphous layers is carried out dividedly by a plurality of times so that the thickness of an amorphous layer to be deposited at one time is not larger than a thickness to be prescribed by a critical stress value determined according to a fail event, the amorphous material is crystallized after each process of depositing each amorphous layer has been finished, and the process of depositing amorphous layers and the process of crystallizing the amorphous material are repeated, whereby a laminated structure of the polycrystalline layer 6 having a necessary film thickness is obtained. With the above-described arrangement, it is possible to prevent a deterioration of electric characteristics of a semiconductor device and an occurrence of a defect, such as a peeling off between layers, cracks in a layer, etc., and it is possible to obtain a polycrystalline layer of small grain size in a desired film thickness by a lamination of polycrystalline materials.
    • 例如,通过氧化硅膜5在半导体衬底4上的氧化硅膜5上形成电极2时,栅电极2被构成为多个多晶硅层6的层叠结构。栅极部分 通过制造具有沉积非晶层的工艺的薄膜的方法和使该非晶材料结晶(再结晶)的方法形成电极2。 在这种情况下,非晶层的沉积被分开多次进行,使得一次沉积的非晶层的厚度不大于根据根据下式确定的临界应力值规定的厚度 在每个非晶层的沉积过程完成之后,非晶材料结晶,重复沉积非晶层的过程和结晶非晶材料的过程,由此多晶层6的层压结构具有必要的 获得膜厚度。 利用上述结构,可以防止半导体器件的电特性的恶化和层之间的剥离等缺陷的发生,层中的裂纹等,并且可以获得 通过多晶材料的层叠,具有所需膜厚度的小晶粒尺寸的多晶层。
    • 9. 发明申请
    • Method of manufacturing semiconductor device having conductive thin films
    • 制造具有导电薄膜的半导体器件的方法
    • US20060252186A1
    • 2006-11-09
    • US11480912
    • 2006-07-06
    • Takashi NakajimaHideo MiuraHiroyuki OhtaNoriaki Okamoto
    • Takashi NakajimaHideo MiuraHiroyuki OhtaNoriaki Okamoto
    • H01L21/84
    • H01L21/28097H01L21/28035H01L21/28518H01L21/28525H01L21/32053H01L21/76838H01L21/76877H01L21/823437H01L23/485H01L23/53257H01L23/53271H01L28/40H01L29/4925H01L29/4975H01L2924/0002Y10T117/10Y10T117/1004H01L2924/00
    • In forming an electrode 2 on a silicon oxide film 5 on a semiconductor substrate 4 through a silicon oxide film 5, for example, the gate electrode 2 is structured in a laminated structure of a plurality of polycrystalline silicon layers 6. The portion of the gate electrode 2 is formed by a method of manufacturing a thin film having a process of depositing amorphous layers and a process of crystallizing (recrystallizing) this amorphous material. In this case, depositing of the amorphous layers is carried out dividedly by a plurality of times so that the thickness of an amorphous layer to be deposited at one time is not larger than a thickness to be prescribed by a critical stress value determined according to a fail event, the amorphous material is crystallized after each process of depositing each amorphous layer has been finished, and the process of depositing amorphous layers and the process of crystallizing the amorphous material are repeated, whereby a laminated structure of the polycrystalline layer 6 having a necessary film thickness is obtained. With the above-described arrangement, it is possible to prevent a deterioration of electric characteristics of a semiconductor device and an occurrence of a defect, such as a peeling off between layers, cracks in a layer, etc., and it is possible to obtain a polycrystalline layer of small grain size in a desired film thickness by a lamination of polycrystalline materials.
    • 在半导体衬底4上的氧化硅膜5上通过氧化硅膜5形成电极2时,例如,栅电极2被构成为多个多晶硅层6的叠层结构。 栅电极2的部分通过制造具有沉积非晶层的工艺的薄膜的方法和使该非晶材料结晶(再结晶)的方法形成。 在这种情况下,非晶层的沉积被分开多次进行,使得一次沉积的非晶层的厚度不大于根据根据下式确定的临界应力值规定的厚度 在每个非晶层的沉积过程完成之后,非晶材料结晶,重复沉积非晶层的过程和结晶非晶材料的过程,由此多晶层6的层压结构具有必要的 获得膜厚度。 利用上述结构,可以防止半导体器件的电特性的恶化和层之间的剥离等缺陷的发生,层中的裂纹等,并且可以获得 通过多晶材料的层叠,具有所需膜厚度的小晶粒尺寸的多晶层。