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    • 2. 发明授权
    • Electromagnetic forming device for sheet of material
    • 材料用电磁成形装置
    • US07389664B1
    • 2008-06-24
    • US11939737
    • 2007-11-14
    • Tung-Chen ChengTzyy-Ker SueChi-Keung ChungChun-Chieh WangHsing-Ta HsiehMing-Fu Li
    • Tung-Chen ChengTzyy-Ker SueChi-Keung ChungChun-Chieh WangHsing-Ta HsiehMing-Fu Li
    • B21D26/02
    • B21D26/14Y10S72/707
    • An electromagnetic forming device for a sheet of material is provided. The electromagnetic forming device includes a fixing base, a magnetic concentration block, an electromagnetic actuator, and a die. The fixing base has a groove. The magnetic concentration block is disposed in the groove of the fixing base, and has an accommodating space therein, which is in communication with a surface of the magnetic concentration block via a slit. The electromagnetic actuator, used to generate a magnetic field, is disposed in the accommodating space of the magnetic concentration block, but does not contact the magnetic concentration block. The die and the magnetic concentration block are separated by a gap, and a sheet of material can be disposed in the gap. As the magnetic concentration block is a block, eddy currents in the magnetic concentration block are distributed uniformly, so the generated magnetic field is also distributed uniformly, thus exerting a uniform forming force on the sheet of material.
    • 提供了一种用于材料片的电磁成形装置。 电磁成形装置包括固定基座,磁性集中块,电磁致动器和模具。 固定底座有凹槽。 磁性浓度块设置在固定基座的槽中,并且其中具有容纳空间,其经由狭缝与磁性浓度块的表面连通。 用于产生磁场的电磁致动器设置在磁性浓度块的容纳空间中,但不接触磁性浓度块。 模具和磁性浓度块由间隙分开,并且一片材料可以设置在间隙中。 由于磁性浓度块为块状,磁性浓度块中的涡流均匀分布,所以产生的磁场也均匀分布,从而在材料片上施加均匀的成形力。
    • 7. 发明授权
    • Method of making resonant tunneling diodes and CMOS backend-process-compatible three dimensional (3-D) integration
    • 制造谐振隧道二极管和CMOS后端工艺兼容三维(3-D)集成的方法
    • US07002175B1
    • 2006-02-21
    • US10961355
    • 2004-10-08
    • Jagar SinghYong Tian HouMing Fu Li
    • Jagar SinghYong Tian HouMing Fu Li
    • H01L29/06
    • H01L29/882B82Y10/00H01L29/66219
    • A double barrier resonant tunneling diode (RTD) is formed and integrated with a level of CMOS/BJT/SiGe devices and circuits through processes such as metal-to-metal thermocompressional bonding, anodic bonding, eutectic bonding, plasma bonding, silicon-to-silicon bonding, silicon dioxide bonding, silicon nitride bonding and polymer bonding or plasma bonding. The electrical connections are made using conducting interconnects aligned during the bonding process. The resulting circuitry has a three-dimensional architecture. The tunneling barrier layers of the RTD are formed of high-K dielectric materials such as SiO2, Si3N4, Al2O3, Y2O3, Ta2O5, TiO2, HfO2, Pr2O3, ZrO2, or their alloys and laminates, having higher band-gaps than the material forming the quantum well, which includes Si, Ge or SiGe. The inherently fast operational speed of the RTD, combined with the 3-D integrated architecture that reduces interconnect delays, will produce ultra-fast circuits with low noise characteristics.
    • 通过金属对金属热压接合,阳极接合,共晶接合,等离子体接合,硅 - 二极管等工艺,形成双层势垒共振隧道二极管(RTD)并与CMOS / BJT / SiGe器件和电路集成, 硅键合,二氧化硅键合,氮化硅键合和聚合物键合或等离子体键合。 电连接使用在接合过程中对准的导电互连来制成。 所得到的电路具有三维结构。 RTD的隧道势垒层由高K电介质材料形成,例如SiO 2,Si 3 N 4 N 4,Al 2 O 3, 2个O 3,3个O 3,3个O 2,3个O 3, TiO 2,TiO 2,HfO 2,Pr 2 O 3,ZrO 2,N 2, >或其合金和层压体,具有比形成量子阱的材料(包括Si,Ge或SiGe)更高的带隙。 RTD的固有的快速操作速度与减少互连延迟的3-D集成架构相结合,将产生具有低噪声特性的超快速电路。