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    • 1. 发明授权
    • Ceramic filter and method for using same
    • 陶瓷过滤器及其使用方法
    • US4713180A
    • 1987-12-15
    • US701135
    • 1985-02-13
    • Franz HofmannHans G. TrappRolf RietzscherJurgen OttoWolfgang KaettlitzGerd Trinki
    • Franz HofmannHans G. TrappRolf RietzscherJurgen OttoWolfgang KaettlitzGerd Trinki
    • B01D39/20B22D1/00B22D43/00C04B38/00C21C1/00C21C7/00C22B4/00C22B9/02B01D29/32
    • C21C1/00B01D39/2093C04B38/00C21C7/00C22B9/023Y02P10/234
    • A ceramic filter for filtering molten iron is disclosed. The ceramic filter is made from a high-melting ceramic material having an open-celled foam structure, a variable bulk density in different portions of the filter, and at least one afflux surface. In order to filter molten iron efficiently, the ratio of filter surface to filter volume should be in the range of about 0.0003 to 9 m.sup.2 /cm.sup.3, the specific filter resistance should be in the range of about 0.1 to 0.9 bar-cm at a flow rate of 5 m.sup.3 /hour, and the pressure loss .DELTA.p across the filter should depend on the specific resistance .rho., the filter length, and the surface area of the afflux plane F in accordance with the relationship: ##EQU1## A method for filtering molten iron using this ceramic filter is also disclosed. In this method, the ceramic filter is located near the point in the casting system where the molten iron has its greatest kinetic energy. The molten iron is first caused to flow tangentially by the afflux plane of the ceramic filter and then is deflected to create turbulence directly before the afflux plane of the filter.
    • 公开了一种用于过滤铁水的陶瓷过滤器。 陶瓷过滤器由具有开孔泡沫结构的高熔点陶瓷材料制成,过滤器的不同部分的可变堆积密度以及至少一个附着面。 为了有效地过滤铁水,过滤器表面与过滤器体积的比例应在约0.0003至9m 2 / cm 3的范围内,特定过滤器阻力在流动下应在约0.1至0.9bar-cm的范围内 速率为5立方米/小时,并且过滤器上的压力损失ΔΔTA应根据以下关系依赖于附着平面F的电阻率rho,滤波器长度和表面积:过滤方法 还公开了使用该陶瓷过滤器的铁水。 在该方法中,陶瓷过滤器位于铸铁系统中靠近熔融铁具有最大动能的点处。 首先使铁水通过陶瓷过滤器的塌陷面切向流动,然后被偏转以在过滤器的附着平面之前直接产生湍流。
    • 10. 发明申请
    • Electronic data memory device for a high read current
    • 用于高读取电流的电子数据存储器件
    • US20060022248A1
    • 2006-02-02
    • US11167386
    • 2005-06-27
    • Bjorn FischerFranz HofmannRichard LuykenAndreas Spitzer
    • Bjorn FischerFranz HofmannRichard LuykenAndreas Spitzer
    • H01L27/108
    • H01L27/10873H01L29/7851
    • Electronic data memory device for a high read current The invention provides a memory device arranged on a substrate (401) and having at least one memory cell (100) The memory cell comprises a storage capacitor (200) for storing an electrical charge and a selection transistor (300) for selecting the memory cell (100). The selection transistor comprises a first conduction electrode (301), a second conduction electrode (302) and a control electrode (303) , the control electrode (303) being provided by a gate unit (400) having a fin (405) projecting from the substrate (401), which fin is surrounded by a gate oxide layer (406) and a gate electrode layer (403) in such a way that first and second gate elements (408a, 408b) are provided at opposite lateral areas of the fin (405), a third gate element (408c) being provided at an area of the fin (405) that is parallel to the surface of the substrate (401).
    • 用于高读取电流的电子数据存储器件本发明提供一种布置在衬底(401)上并具有至少一个存储单元(100)的存储器件。存储单元包括用于存储电荷的存储电容器(200) 晶体管(300),用于选择存储单元(100)。 选择晶体管包括第一导电电极(301),第二导电电极(302)和控制电极(303),控制电极(303)由栅极单元(400)提供,栅极单元(400)具有从 基板(401),其被栅极氧化物层(406)和栅极电极层(403)包围,使得第一和第二栅极元件(408a,408b)设置在第一和第二栅极元件(408a,408b)的相对侧向区域 所述翅片(405),第三栅极元件(408c)设置在所述鳍状物(405)的与所述基板(401)的表面平行的区域。