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    • 21. 发明授权
    • Structure of semiconductor device
    • 半导体器件的结构
    • US5378911A
    • 1995-01-03
    • US186847
    • 1994-01-27
    • Yoshinori Murakami
    • Yoshinori Murakami
    • H01L29/78H01L29/739H01L29/10
    • H01L29/739H01L29/7392
    • A structure of a semiconductor device according to the present invention has a normally-off characteristic, a well controlability, a very low on-resistance, a capability for a high breakdown voltage, and is free from parasitic devices. For example, said semiconductor device has a plurality of bar-shaped trenches dug on the surface of an n type semiconductor substrate, which are arranged in stripe, and each of which cross sectional shape is a "U"-shape. At least one n.sup.+ type source region on the surface and it is sandwiched by the trenches. In the respective trenches, insulated electrodes whose potential is fixed to that of the source region, and whose conductive material is made of such that has a work function to generate a depletion region in the drain region around them are disposed. The depletion region functions as a barrier to interrupt between the source region and the drain region electrically. P type injector region is also disposed on the surface of the drain region, and it touches the every surface of the potential-fixed insulated electrodes at every edge of the bar-shapes, and arbitrary potential can be applied to it from an external. The potential of the injector region controls the potential of the surface of the insulated electrodes, which effects the condition of the depletion region and that effects the main current value.
    • 根据本发明的半导体器件的结构具有常关特性,阱控制性,非常低的导通电阻,高击穿电压的能力,并且没有寄生器件。 例如,所述半导体器件具有在n型半导体衬底的表面上挖出的多个条形沟槽,它们以条状布置,并且每个横截面形状为“U”形。 表面上至少有一个n +型源区,并被沟槽夹在中间。 在各个沟槽中,设置电位固定于源极区域的绝缘电极,其导电材料制成具有在其周围的漏极区域中产生耗尽区的功函数。 耗尽区域用作电源区域和漏极区域之间的中断屏障。 P型注入器区域也设置在漏极区域的表面上,并且其在条形的每个边缘处接触电位固定绝缘电极的每个表面,并且可以从外部施加任意电位。 喷射器区域的电位控制绝缘电极表面的电位,其影响耗尽区的状态并影响主电流值。
    • 30. 发明授权
    • Dentifrice
    • 牙粉
    • US08491873B2
    • 2013-07-23
    • US13322752
    • 2010-05-28
    • Yoshinori Murakami
    • Yoshinori Murakami
    • A61Q11/00A61K8/00A61K8/25
    • A61Q11/00A61K8/042A61K8/25A61K8/36
    • Provided is a dentifrice which exhibits sufficient shape retentivity even when a polymer-based binder is not incorporated, which does not leave a taste or white residues even when the amount of powder incorporated is small, and which has satisfactory dispersibility in the oral cavity and a light feeling of use.A dentifrice containing the following components (A), (B) and (C): (A) 0.1 to 10% by mass of a thickening silica having an oil absorption of 150 to 500 mL/100 g, (B) 0.1 to 8 % by mass of heavy calcium carbonate, and (C) 40 to 70 % by mass of water at a mass ratio (B:A) of the component (B) and the component (A) of 2:1 to 0.5:99.5.
    • 即使即使不掺入聚合物类粘合剂也不会留下味道或白色残留物,即使在粉末掺入量小的情况下也具有良好的形状保持性,并且在口腔中具有令人满意的分散性的洁齿剂 使用感轻。 含有以下成分(A),(B)和(C)的洁齿剂:(A)0.1〜10质量%的吸油量为150〜500mL / 100g的增稠二氧化硅,(B)0.1〜8 质量%的重质碳酸钙,(C)成分(B)和成分(A)的质量比(B:A)为40〜70质量%的比例为2:1〜0.5:99.5。