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    • 6. 发明授权
    • Memory cell configuration and corresponding fabrication method
    • 存储单元配置及相应的制造方法
    • US06258658B1
    • 2001-07-10
    • US09250362
    • 1999-02-12
    • Thomas BöhmVolker WeinrichManfred HainArmin KohlhaseYoichi OtaniAndreas RuschTill Schlösser
    • Thomas BöhmVolker WeinrichManfred HainArmin KohlhaseYoichi OtaniAndreas RuschTill Schlösser
    • H01L218242
    • H01L27/10823H01L27/10808
    • The memory cell configuration has a multiplicity of preferably ferroelectric memory cells in a semiconductor substrate. Mutually parallel bit line trenches run in the longitudinal direction in the main surface of the semiconductor substrate. Bit lines are disposed in the bottoms of the trenches. Source/drain regions are formed in the crowns of the trenches. Channel regions are provided in the walls of the trenches. The channel region on a wall in each case is configured such that a drivable selection transistor of the relevant memory cell is formed there, while the channel region on the other wall is configured such that the transistor located there is closed. Insulated word lines for driving the selection transistors run in the transverse direction along the main surface of the semiconductor substrate through the bit line trenches. Insulation trenches for insulating the source/drain regions in the longitudinal direction of neighboring memory cells run in the transverse direction in the main surface of the semiconductor substrate. A respective, preferably ferroelectric, capacitor is connected to the source/drain region of the respective memory cell and is arranged above the word lines.
    • 存储单元配置在半导体衬底中具有多个优选铁电存储单元。 相互并行的位线沟槽在半导体衬底的主表面中沿纵向延伸。 位线设置在沟槽的底部。 源极/漏极区域形成在沟槽的冠部中。 通道区域设置在沟槽的壁中。 在每种情况下,壁上的沟道区域被构造成使得相关存储单元的可驱动选择晶体管形成在其中,而另一壁上的沟道区域被配置为使得位于那里的晶体管闭合。 用于驱动选择晶体管的绝缘字线通过位线沟槽沿着半导体衬底的主表面在横向方向上延伸。 用于绝缘沟槽,用于使相邻存储单元的纵向上的源极/漏极区域绝缘,在半导体衬底的主表面中沿横向延伸。 相应的优选铁电电容器连接到相应存储单元的源极/漏极区域并且被布置在字线之上。
    • 7. 发明申请
    • DEVICE FOR THE MANUFACTURE OF ABSORBENT PRODUCTS
    • 吸收产品的制造设备
    • US20090272240A1
    • 2009-11-05
    • US12306101
    • 2006-06-30
    • Thomas BöhmDaniel Carlsson
    • Thomas BöhmDaniel Carlsson
    • B26F1/20B26D3/12
    • B26F1/20B26D1/0006B26D3/10B26D3/12B26D2001/0053B26D2001/006B26F1/22B26F1/44B26F2001/4409B26F2001/4481Y10T83/4836Y10T83/4838Y10T83/9314Y10T156/12
    • A device for the manufacture of an absorbent product including a rotatable slitting tool having an extent in a radial direction and an extent in an axial direction perpendicular to the radial direction, the slitting tool being divided in the axial direction into two lateral parts and lying between them a central part. The central part has a circular cross section in the radial direction, and the lateral parts include, in the axial direction, intermittent protuberances projecting from the central part. The protuberances are the same distance from the center of the slitting tool as the circular cross section. The central part between the protuberances, in the direction of curvature of the envelope surface, forms a plurality of cutting edges, each of which has a width which, at a given pressure, permits slitting of a layer of material intended for the absorbent product, and the protuberances form supporting surfaces between the cutting edges.
    • 一种用于制造吸收产品的装置,包括具有与径向方向垂直的径向方向和程度的可旋转切割工具,该切割工具沿轴向方向分成两个侧面部分,位于 他们是中心部分。 中心部分在径向上具有圆形横截面,并且侧向部分在轴向方向上包括从中心部分突出的间歇突起。 突起与切割工具的中心距圆形截面相同。 突起之间的中心部分在包络表面的曲率方向上形成多个切割边缘,每个切割边缘具有宽度,该宽度在给定压力下允许切割用于吸收产品的一层材料, 并且突起在切割刃之间形成支撑表面。