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    • 9. 发明授权
    • Vertical trench transistor
    • 垂直沟槽晶体管
    • US07511336B2
    • 2009-03-31
    • US11287154
    • 2005-11-25
    • Franz HirlerWolfgang WernerJoachim Krumery
    • Franz HirlerWolfgang WernerJoachim Krumery
    • H01L29/94
    • H01L29/7813H01L29/0878H01L29/1095H01L29/41766H01L29/42368H01L29/7806
    • A vertical trench transistor has a first electrode, a second electrode and also a semiconductor body arranged between the first and second electrodes, there being formed in the semiconductor body a plurality of transistor cells comprising source region, body region, drift region and gate electrode and also contact holes for making contact with the source and body regions, contact being made with the source and body regions by means of the first electrode, and at least the bottom of each contact hole adjoining at least one drift region, so that Schottky contacts between the first electrode and corresponding drift regions are formed at the bottoms of the contact holes. The dimensions and configurations of the body regions or of the body contact regions optionally arranged between body regions and contact holes are chosen in such a way as to avoid excessive increases in electric fields at the edges of the contact hole bottoms.
    • 垂直沟槽晶体管具有第一电极,第二电极和布置在第一和第二电极之间的半导体本体,在半导体本体中形成多个晶体管单元,其包括源极区域,体区域,漂移区域和栅极电极,以及 还接触用于与源区和主体区接触的孔,借助于第一电极与源极和主体区进行接触,并且至少每个接触孔的底部与至少一个漂移区相邻,使得肖特基接触在 第一电极和相应的漂移区形成在接触孔的底部。 选择布置在主体区域和接触孔之间的身体区域或身体接触区域的尺寸和结构被选择为避免接触孔底部边缘处的电场过度增加。
    • 10. 发明申请
    • THREADED BOLT AND METHOD FOR ITS PRODUCTION
    • 螺纹螺栓及其生产方法
    • US20090035091A1
    • 2009-02-05
    • US12180030
    • 2008-07-25
    • Joachim GeistJoachim SchneiderWolfgang Werner
    • Joachim GeistJoachim SchneiderWolfgang Werner
    • F16B25/10B21H3/02
    • F16B33/02F16B35/007
    • A threaded bolt having a shank of basic cylindrical form and with a root end and a head end is provided with a spiral-shaped external thread, which has at least one principal flight and in the vicinity of the root end has at least one lead-in flight, adjoined by the principal flight, where the lead-in flight has a lead-in surface which differs from the principal flight and is formed in order to come into crossing-free engagement with flights of a complementary internal thread of an element. The lead-in flight and the principal flight are interrupted by at least one groove, which extends in the longitudinal direction of the shank in order to form a free space for the accommodation of lacquer residues. The flights and the grooves are initially formed by rolling.
    • 具有基本圆柱形形式的柄和根端和头端的螺纹螺栓设置有螺旋形外螺纹,其具有至少一个主飞行,并且在根端附近具有至少一个引导头, 在飞行中,与主要飞行相连,其中引入飞行具有与主飞行不同的导入表面,并且形成为与元件的互补内螺纹的螺纹无交叉接合。 引导飞行和主飞行被至少一个凹槽中断,该凹槽在柄的纵向方向上延伸,以形成用于容纳漆残余物的自由空间。 飞行和凹槽最初是通过滚动形成的。