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    • 2. 发明授权
    • Method for evaluating impurity distribution under gate electrode without damaging silicon substrate
    • 评估栅极电极杂质分布而不损坏硅衬底的方法
    • US07691649B2
    • 2010-04-06
    • US11407918
    • 2006-04-21
    • Kazuo HashimiHidekazu Sato
    • Kazuo HashimiHidekazu Sato
    • H01L21/66H01L29/94
    • H01L29/66545H01L21/32135H01L22/12H01L29/66681H01L29/7836H01L2924/0002H01L2924/00
    • A method of stably and correctly evaluating impurities distribution under a gate of a semiconductor device without damaging a silicon substrate is disclosed. According to the evaluation method, a gate electrode made of a silicon containing material is removed without removing a gate insulating film by contacting pyrolysis hydrogen generated by pyrolysis to the semiconductor device that includes the gate electrode arranged on a semiconductor substrate through a gate insulating film, and a source electrode and a drain electrode formed on the semiconductor substrate on corresponding sides of the gate electrode. Further, a processed form of the gate is evaluated by observing a form of the gate insulating film that remains on the semiconductor substrate, the gate insulating film that remains on the semiconductor substrate is removed by a wet process, and the impurities distribution under the gate is measured and evaluated.
    • 公开了一种稳定且正确地评估半导体器件的栅极下的杂质分布而不损坏硅衬底的方法。 根据评价方法,通过将由热解产生的热解氢接触到包括通过栅极绝缘膜设置在半导体衬底上的栅极的半导体器件的半导体器件,除去栅极绝缘膜而除去含硅材料的栅电极, 以及形成在栅电极的相应侧上的半导体衬底上的源电极和漏电极。 此外,通过观察保留在半导体衬底上的栅极绝缘膜的形式来评估栅极的处理形式,通过湿法除去保留在半导体衬底上的栅极绝缘膜,并且栅极下的杂质分布 被测量和评估。
    • 3. 发明申请
    • Semiconductor device and method for manufacturing the same
    • 半导体装置及其制造方法
    • US20080035955A1
    • 2008-02-14
    • US11878509
    • 2007-07-25
    • Hidekazu SatoToshihiro Wakabayashi
    • Hidekazu SatoToshihiro Wakabayashi
    • H01L29/737H01L21/331
    • H01L29/66242H01L29/1004H01L29/7378
    • By a non-selective epitaxial growth method, an SiGe film is grown on the whole surface of a silicon oxide film so as to cover an inner wall of a base opening. Here, such film forming conditions are selected that, inside the base opening, a bottom portion is formed of single crystal, other portions such as a sidewall portion are formed of polycrystalline, and a film thickness of the sidewall portion is less than or equal to 1.5 times the film thickness of the bottom portion. In this non-selective epitaxial growth, monosilane, hydrogen, diborane, and germane are used as source gases. Then, flow rates of monosilane and hydrogen are set to 20 sccm and 20 slm respectively. Also, a growth temperature is set to 650° C., a flow rate of diborane is set to 75 sccm, and a flow rate of germane is set to 35 sccm.
    • 通过非选择性外延生长方法,在氧化硅膜的整个表面上生长SiGe膜,以覆盖基部开口的内壁。 这里,选择这样的成膜条件,即,在基底开口内部,由单晶形成底部,其它部分如侧壁部分由多晶形成,侧壁部分的膜厚小于或等于 底部的膜厚度的1.5倍。 在这种非选择性外延生长中,使用甲硅烷,氢,乙硼烷和锗烷作为源气体。 然后,甲硅烷和氢气的流量分别设定为20sccm和20slm。 此外,将生长温度设定为650℃,将乙硼烷的流量设定为75sccm,将锗烷的流量设定为35sccm。
    • 4. 发明申请
    • Semiconductor device, a manufacturing method thereof, and an evaluation method of the semiconductor device
    • 半导体装置及其制造方法以及半导体装置的评价方法
    • US20070138561A1
    • 2007-06-21
    • US11407918
    • 2006-04-21
    • Kazuo HashimiHidekazu Sato
    • Kazuo HashimiHidekazu Sato
    • H01L29/94
    • H01L29/66545H01L21/32135H01L22/12H01L29/66681H01L29/7836H01L2924/0002H01L2924/00
    • A method of stably and correctly evaluating impurities distribution under a gate of a semiconductor device without damaging a silicon substrate is disclosed. According to the evaluation method, a gate electrode made of a silicon containing material is removed without removing a gate insulating film by contacting pyrolysis hydrogen generated by pyrolysis to the semiconductor device that includes the gate electrode arranged on a semiconductor substrate through a gate insulating film, and a source electrode and a drain electrode formed on the semiconductor substrate on corresponding sides of the gate electrode. Further, a processed form of the gate is evaluated by observing a form of the gate insulating film that remains on the semiconductor substrate, the gate insulating film that remains on the semiconductor substrate is removed by a wet process, and the impurities distribution under the gate is measured and evaluated.
    • 公开了一种稳定且正确地评估半导体器件的栅极下的杂质分布而不损坏硅衬底的方法。 根据评价方法,通过将通过热解产生的热解氢接触通过栅极绝缘膜将包含布置在半导体衬底上的栅电极的半导体器件接触而除去栅极绝缘膜而除去含硅材料的栅电极, 以及形成在栅电极的相应侧上的半导体衬底上的源电极和漏电极。 此外,通过观察保留在半导体衬底上的栅极绝缘膜的形式来评估栅极的处理形式,通过湿法除去保留在半导体衬底上的栅极绝缘膜,并且栅极下的杂质分布 被测量和评估。
    • 6. 发明申请
    • METHOD FOR EVALUATING IMPURITY DISTRIBUTION UNDER GATE ELECTRODE WITHOUT DAMAGING SILICON SUBSTRATE
    • 在不损坏硅基板的情况下评估栅极电极下的污染物分布的方法
    • US20120181671A1
    • 2012-07-19
    • US13429804
    • 2012-03-26
    • Kazuo HashimiHidekazu Sato
    • Kazuo HashimiHidekazu Sato
    • H01L23/544
    • H01L29/66545H01L21/32135H01L22/12H01L29/66681H01L29/7836H01L2924/0002H01L2924/00
    • A method of manufacturing a semiconductor device forms the semiconductor device in a device region of a semiconductor substrate simultaneously with forming a monitor semiconductor device that includes a gate electrode made of silicon containing material arranged on a gate insulating film in a monitor region of the semiconductor substrate, a source electrode and a drain electrode formed on the semiconductor substrate on corresponding sides of the gate electrode. The gate electrode is removed without removing a gate insulating film by applying pyrolysis hydrogen generated by pyrolysis on the monitor semiconductor device in the monitor region, and the gate insulating film is removed by a wet process. Impurities distribution of a silicon active region appearing after the gate electrode is removed is measured and fed back to a semiconductor manufacturing process.
    • 半导体器件的制造方法同时形成半导体衬底的器件区域中的半导体器件,同时形成监测半导体器件,该监控半导体器件包括在半导体衬底的监视器区域中布置在栅极绝缘膜上的由含硅材料制成的栅电极 ,形成在栅电极的相应侧上的半导体衬底上的源电极和漏电极。 通过在监视器区域中的监视器半导体器件上施加由热解产生的热解氢,除去栅极绝缘膜,去除栅电极,并通过湿法去除栅极绝缘膜。 测量在去除栅电极之后出现的硅有源区的杂质分布并将其反馈到半导体制造工艺。