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    • 4. 发明授权
    • Semiconductor substrate and semiconductor device fabrication method
    • 半导体衬底和半导体器件制造方法
    • US07301169B2
    • 2007-11-27
    • US10995539
    • 2004-11-24
    • Sachie ToneHiroshi OhtaMasahiro Ninomiya
    • Sachie ToneHiroshi OhtaMasahiro Ninomiya
    • H01L23/58
    • H01L21/6836H01L23/544H01L24/05H01L2221/68327H01L2221/6834H01L2221/68386H01L2223/54453H01L2224/02166H01L2224/05554H01L2224/05556
    • The semiconductor substrate comprises a first monitor part 14a formed in a first region near a center of a semiconductor wafer 10, which includes a first element having a first electrode 24 formed over the semiconductor wafer 10 with a first insulation film 22 formed therebetween, and a first electrode pad 32 electrically connected to the first electrode 24; and a second monitor part 14b formed in a second region different from the first region, which includes a second element having a second electrode 24 formed on the semiconductor wafer 10 with a second insulation film 22 formed therebetween, and a second electrode pad 32 electrically connected to the second electrode 24. When electric breakdown has taken place in both the first monitor part 14a and the second monitor part 14b, it can be judged that too large static electricity was generated upon the release of the surface protection film 39. When electric breakdown has taken place in either of the first monitor part 14a and the second monitor part 14b, the electric breakdown has taken place due to factors other than the static electricity generated upon the release of the surface protection film. When electric breakdown has taken place in neither of the first monitor part 14a and the second monitor part 14b, it can be judged that too large static electricity was generated upon the release of the surface protection film 39. Thus, factors for defects of semiconductor devices can be identified, which leads to improved quality of the semiconductor devices.
    • 半导体衬底包括形成在半导体晶片10的中心附近的第一区域中的第一监视器部分14a,其包括第一元件,第一元件具有形成在半导体晶片10上的第一电极24,其间形成有第一绝缘膜22;以及 电连接到第一电极24的第一电极焊盘32; 以及形成在与第一区域不同的第二区域中的第二监视器部分14b,其包括第二元件,第二元件具有形成在半导体晶片10上的第二电极24,其间形成有第二绝缘膜22,第二电极焊盘32电连接 连接到第二电极24。 当在第一监视器部分14a和第二监视器部分14b两者中发生电击穿时,可以判断出在释放表面保护膜39时产生太大的静电。 当在第一监视器部分14a和第二监视器部分14b中的任一个中发生电击穿时,由于除了表面保护膜释放后产生的静电以外的因素而发生电击穿。 当在第一监视器部分14a和第二监视器部分14b中都没有发生电击穿时,可以判断出在释放表面保护膜39时产生太大的静电。 因此,可以识别半导体器件缺陷的因素,这导致半导体器件的质量提高。
    • 8. 发明申请
    • Semiconductor substrate and semiconductor device fabrication method
    • 半导体衬底和半导体器件制造方法
    • US20060022196A1
    • 2006-02-02
    • US10995539
    • 2004-11-24
    • Sachie ToneHiroshi OhtaMasahiro Ninomiya
    • Sachie ToneHiroshi OhtaMasahiro Ninomiya
    • H01L23/58H01L29/10
    • H01L21/6836H01L23/544H01L24/05H01L2221/68327H01L2221/6834H01L2221/68386H01L2223/54453H01L2224/02166H01L2224/05554H01L2224/05556
    • The semiconductor substrate comprises a first monitor part 14a formed in a first region near a center of a semiconductor wafer 10, which includes a first element having a first electrode 24 formed over the semiconductor wafer 10 with a first insulation film 22 formed therebetween, and a first electrode pad 32 electrically connected to the first electrode 24; and a second monitor part 14b formed in a second region different from the first region, which includes a second element having a second electrode 24 formed on the semiconductor wafer 10 with a second insulation film 22 formed therebetween, and a second electrode pad 32 electrically connected to the second electrode 24. When electric breakdown has taken place in both the first monitor part 14a and the second monitor part 14b, it can be judged that too large static electricity was generated upon the release of the surface protection film 39. When electric breakdown has taken place in either of the first monitor part 14a and the second monitor part 14b, the electric breakdown has taken place due to factors other than the static electricity generated upon the release of the surface protection film. When electric breakdown has taken place in neither of the first monitor part 14a and the second monitor part 14b, it can be judged that too large static electricity was generated upon the release of the surface protection film 39. Thus, factors for defects of semiconductor devices can be identified, which leads to improved quality of the semiconductor devices.
    • 半导体衬底包括形成在半导体晶片10的中心附近的第一区域中的第一监视器部分14a,其包括第一元件,第一元件具有形成在半导体晶片10上的第一电极24,其间形成有第一绝缘膜22;以及 电连接到第一电极24的第一电极焊盘32; 以及形成在与第一区域不同的第二区域中的第二监视器部分14b,其包括第二元件,第二元件具有形成在半导体晶片10上的第二电极24,其间形成有第二绝缘膜22,第二电极焊盘32电连接 连接到第二电极24.当在第一监视器部分14a和第二监视器部分14b中都发生电击穿时,可以判断出在释放表面保护膜39时产生太大的静电。 当在第一监视器部分14a和第二监视器部分14b中的任一个中发生电击穿时,由于除了表面保护膜释放后产生的静电以外的因素而发生电击穿。 当在第一监视器部分14a和第二监视器部分14b中都没有发生电击穿时,可以判断出在释放表面保护膜39时产生太大的静电。因此, 可以识别半导体器件,这导致半导体器件的质量提高。