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    • 2. 发明专利
    • Semiconductor device manufacturing method
    • 半导体器件制造方法
    • JP2007207994A
    • 2007-08-16
    • JP2006024888
    • 2006-02-01
    • Toshiba Corp株式会社東芝
    • NAKAJIMA KAZUAKI
    • H01L29/78H01L21/28H01L21/768H01L21/8238H01L27/092H01L29/423H01L29/49
    • H01L21/823857H01L21/823842H01L29/4966H01L29/517H01L29/665
    • PROBLEM TO BE SOLVED: To provide a semiconductor device manufacturing method for forming a high-quality semiconductor device by restraining variations in threshold of a p-type MOSFET while restraining costs for product development.
      SOLUTION: The semiconductor device manufacturing method is provided with a first step for forming a gate insulating film 102 on a silicon substrate 100, a second step for forming a conductor film 103 constituting a gate electrode 104 on the gate insulating film 102 by a formation method using an organic material, and a third step for heating the silicon substrate 100 having the conductor film 103 in a mixed atmosphere of water vapor being an oxidizing atmosphere and hydrogen being a reduction atmosphere. A hydrogen partial-pressure ratio to water vapor in the third step is a partial pressure in which carbon is oxidized and a metal material constituting the conductor film 104 is reduced.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种通过抑制p型MOSFET的阈值变化来形成高质量半导体器件的半导体器件制造方法,同时抑制产品开发的成本。 解决方案:半导体器件制造方法具有在硅衬底100上形成栅极绝缘膜102的第一步骤,用于在栅极绝缘膜102上形成构成栅极电极104的导体膜103的第二步骤,通过 使用有机材料的形成方法,以及第三步骤,在作为氧化气氛的水蒸气的混合气氛中加热具有导体膜103的硅衬底100,并且将氢作为还原气氛。 在第三步骤中与水蒸汽的氢分压比是碳被氧化并且构成导体膜104的金属材料减少的分压。 版权所有(C)2007,JPO&INPIT
    • 3. 发明专利
    • Method of manufacturing semiconductor device
    • 制造半导体器件的方法
    • JP2007095872A
    • 2007-04-12
    • JP2005281340
    • 2005-09-28
    • Toshiba Corp株式会社東芝
    • NAKAJIMA KAZUAKI
    • H01L29/78H01L21/28H01L21/336H01L21/8238H01L27/092H01L29/423H01L29/49
    • H01L21/823835H01L21/28097H01L21/823871H01L29/66507H01L29/66545
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing a semiconductor device including an MIS type transistor having a gate electrode consisting of metal silicide, and a source-drain region having a deep diffusion layer and a shallow diffusion layer.
      SOLUTION: The gate electrode comprises a gate insulating film, a first gate electrode film, a first insulating film, and a second gate electrode film. The ion implantation is carried out so as to form a first diffusion layer by using as a mask the gate electrode and a first side wall formed at the side of the gate electrode. A second side wall 13 is formed in the side of the gate electrode after removing the first side wall, and the ion implantation is carried out by using as a mask the gate electrode and the second side wall so as to form a second diffusion layer. A first metal film is formed on the second gate electrode film and is made to react so that the second gate electrode film may be a first reaction layer. The first reaction layer on the gate electrode is removed, and after forming an interlayer dielectric 21, it is made flat until the upper surface of the first gate electrode film of the gate electrode is exposed. A second reaction layer 6a has a portion wherein the second metal film is formed, it is made to react with the first gate electrode film, and the first gate electrode film is brought into contact with the gate insulatiing film.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种制造半导体器件的方法,该半导体器件包括具有由金属硅化物构成的栅极的MIS型晶体管和具有深扩散层和浅扩散层的源极 - 漏极区域。 解决方案:栅极包括栅极绝缘膜,第一栅极电极膜,第一绝缘膜和第二栅极电极膜。 进行离子注入,以便通过使用栅电极和形成在栅极侧的第一侧壁作为掩模形成第一扩散层。 在除去第一侧壁之后,在栅电极的侧面形成第二侧壁13,并且通过使用栅电极和第二侧壁作为掩模来进行离子注入,以形成第二扩散层。 在第二栅极电极膜上形成第一金属膜,使第二栅极电极膜成为第一反应层。 除去栅电极上的第一反应层,在形成层间电介质21之后,使其平坦,直到栅电极的第一栅电极膜的上表面露出。 第二反应层6a具有形成第二金属膜的部分,使其与第一栅电极膜反应,并使第一栅电极膜与栅极绝缘膜接触。 版权所有(C)2007,JPO&INPIT
    • 8. 发明专利
    • Semiconductor device, and method for manufacturing the same
    • 半导体器件及其制造方法
    • JP2010073865A
    • 2010-04-02
    • JP2008239200
    • 2008-09-18
    • Toshiba Corp株式会社東芝
    • IKENO DAISUKEAOYAMA TOMONORINAKAJIMA KAZUAKIINUMIYA SEIJISHIMIZU TAKASHIKOBAYASHI TAKUYA
    • H01L21/8238H01L21/28H01L27/092H01L29/423H01L29/49H01L29/78
    • H01L21/823807H01L21/823828
    • PROBLEM TO BE SOLVED: To provide a semiconductor device and a method for manufacturing the same wherein an effective work function of a gate electrode can be stably set at a value near mid-gap of an Si band gap, in the semiconductor device having an NMOS and a PMOS such as an NMOSFET and a PMOSFET.
      SOLUTION: The semiconductor device is configured by including: a semiconductor substrate which has a p-type diffusion layer and an n-type diffusion layer separated by an element isolating means; a gate insulating film formed on each of the p-type diffusion layer and the n-type diffusion layer of the semiconductor substrate; the gate electrode containing a metal film formed on the gate insulating film; a Ge inclusion formed at an interface between the gate insulating film and the metal film; and a silicon-contained layer formed on the metal film.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供半导体器件及其制造方法,其中在半导体器件中可以将栅电极的有效功函数稳定地设定在接近中间间隙的值 具有NMOS和诸如NMOSFET和PMOSFET的PMOS。 解决方案:半导体器件通过包括:半导体衬底,其具有由元件隔离装置隔开的p型扩散层和n型扩散层; 形成在半导体衬底的p型扩散层和n型扩散层中的每一个上的栅极绝缘膜; 所述栅极电极含有形成在所述栅极绝缘膜上的金属膜; 形成在栅极绝缘膜和金属膜之间的界面处的Ge夹杂物; 以及形成在金属膜上的含硅层。 版权所有(C)2010,JPO&INPIT
    • 9. 发明专利
    • Method for manufacturing semiconductor device, and semiconductor device
    • 制造半导体器件的方法和半导体器件
    • JP2009267118A
    • 2009-11-12
    • JP2008115594
    • 2008-04-25
    • Toshiba Corp株式会社東芝
    • NAKAJIMA KAZUAKI
    • H01L29/78H01L21/283H01L21/8238H01L27/092H01L29/423H01L29/49
    • H01L21/28194H01L21/28088H01L21/28176H01L21/823807H01L21/823842H01L21/823857H01L29/4966H01L29/513H01L29/517H01L29/6659H01L29/7833
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing a semiconductor device and a semiconductor device, wherein the reliability of a gate insulating film and the performance of the semiconductor device can be secured.
      SOLUTION: In the method for manufacturing a semiconductor device, a gate insulating film formation process for forming a gate insulating film 103 on an Si substrate 100, a first metal film formation process for forming a first metal film on the gate insulating film 103, a second metal film formation process for forming a second metal film composing a metal electrode 104 on the first metal film, and a reaction film formation process for forming a reaction film 118 reacting to the gate insulating film 103 and the first metal film between the gate insulating film 103 and the first metal film by heat treating are performed to recover damage of the gate insulating film 103, which may be generated in the first metal film formation process.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种半导体器件和半导体器件的制造方法,其中可以确保栅极绝缘膜的可靠性和半导体器件的性能。 解决方案:在半导体器件的制造方法中,在Si衬底100上形成栅极绝缘膜103的栅极绝缘膜形成工艺,用于在栅极绝缘膜上形成第一金属膜的第一金属膜形成工艺 103是在第一金属膜上形成构成金属电极104的第二金属膜的第二金属膜形成工艺,以及用于形成反应膜118的反应膜形成工序,该反应膜118与栅极绝缘膜103和第一金属膜之间形成反应膜118, 进行栅极绝缘膜103和通过热处理的第一金属膜,以恢复在第一金属膜形成工艺中可能产生的栅极绝缘膜103的损伤。 版权所有(C)2010,JPO&INPIT
    • 10. 发明专利
    • Semiconductor device
    • 半导体器件
    • JP2008282856A
    • 2008-11-20
    • JP2007123362
    • 2007-05-08
    • Toshiba Corp株式会社東芝
    • NAKAJIMA KAZUAKI
    • H01L21/8238H01L27/092H01L29/423H01L29/49H01L29/78
    • H01L21/823842H01L21/28079H01L21/823871H01L29/4958
    • PROBLEM TO BE SOLVED: To prevent the operating speed from falling by reducing interface resistance on the polysilicon/metal interface of a polysilicon/metal laminated electrode structure. SOLUTION: The semiconductor device comprises an n-channel MISFET having a semiconductor substrate 100, a diffusion layer 103 formed in region N1 to sandwich a channel region 102, a gate insulating film 104, and a gate electrode 105 including metal films 105a, 105b and an n-type polysilicon film 105c, and a p-channel MISFET having a diffusion layer 203 formed in region P1 to sandwich a channel region 202 and containing boron as dopant, a gate insulating film 204, and a gate electrode 205 including metal films 205a-c and a metal film 205c containing nitrogen and an n-type polysilicon film 205d having the boron concentration of 5E19 cm -3 or less at the interface. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:通过降低多晶硅/金属层叠电极结构的多晶硅/金属界面上的界面电阻来防止工作速度下降。 解决方案:半导体器件包括具有半导体衬底100的n沟道MISFET,在区域N1中形成以夹持沟道区102的扩散层103,栅极绝缘膜104和包括金属膜105a的栅电极105 ,105b和n型多晶硅膜105c以及在区域P1中形成有扩散层203以夹持沟道区202并含有硼作为掺杂剂的p沟道MISFET,栅极绝缘膜204和栅极电极205,包括 金属膜205a-c和含有氮的金属膜205c和界面处硼浓度为5E19cm 3以上的n型多晶硅膜205d。 版权所有(C)2009,JPO&INPIT