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    • 5. 发明授权
    • Integral metal structure with conductive post portions
    • 具有导电柱部分的整体金属结构
    • US08129834B2
    • 2012-03-06
    • US12321833
    • 2009-01-26
    • Robert O. Conn
    • Robert O. Conn
    • H01L23/482H01L23/49H01L23/492H01L23/367
    • H01L23/50H01L2924/0002H01L2924/00
    • A plurality of FPGA dice is disposed upon a semiconductor substrate. In order to supply the immense power required by the plurality of FPGA dice, power is routed through the semiconductor substrate vertically from thick metal layers and large integral metal structures located on the other side of the semiconductor substrate. Because the semiconductor substrate has a different coefficient of thermal linear expansion than metal layers in contact with the substrate, delamination may occur when the structure is subject to changes in temperature. To prevent delamination of metal layers connected to the semiconductor substrate and in electrical contact with the integral metal structures, the integral metal structures are manufactured with an array of post portions. During changes in temperature, the post portions of the integral metal structures bend and slide relative to metal layers connected to the semiconductor substrate and prevent linear stresses that may otherwise cause delamination.
    • 多个FPGA管芯设置在半导体衬底上。 为了提供多个FPGA芯片所需的巨大功率,功率从位于半导体衬底另一侧的厚金属层和大的整体金属结构垂直地穿过半导体衬底。 由于半导体衬底与与衬底接触的金属层具有不同的热线性膨胀系数,所以当结构经受温度变化时,可能发生分层。 为了防止与半导体衬底连接并与整体金属结构电接触的金属层的分层,整体金属结构被制成具有一定数量的柱部分。 在温度变化期间,整体金属结构的后部相对于连接到半导体衬底的金属层弯曲和滑动,并且防止否则会引起分层的线性应力。
    • 10. 发明授权
    • Series capacitor coupling multiplexer for programmable logic devices
    • 用于可编程逻辑器件的串联电容耦合多路复用器
    • US07046071B1
    • 2006-05-16
    • US10633727
    • 2003-08-04
    • Robert O. ConnKameswara K. Rao
    • Robert O. ConnKameswara K. Rao
    • H03K17/62H03K17/693
    • H03K19/17736H03K19/1737H03K19/1778H03K19/17796
    • A series capacitor coupling (SCC) structure is controllable to capacitively couple a data input lead of the SCC structure to an output lead of the SCC, or to de-couple the data input lead from the data output lead. An SCC is controlled by a control bit stored in an associated memory cell. A multiplexer is fashioned out of a plurality of such SCC structures such that the edges of a digital signal received on a selected one of a plurality of multiplexer data input leads is coupled through the SCC structures onto an intervening node. The edges of the digital signal on the intervening node are then latched to recreate the incoming digital signal and the latched signal is output onto a multiplexer data output lead. The multiplexer is very fast and has a low leakage current in comparison to conventional transmission gate multiplexers used in programmable logic devices.
    • 串联电容耦合(SCC)结构是可控制的,以将SCC结构的数据输入引线电容耦合到SCC的输出引线,或者从数据输出引线去耦合数据输入引线。 SCC由存储在关联的存储单元中的控制位控制。 从多个这样的SCC结构中形成多路复用器,使得在多个多路复用器数据输入引线中的选定的一个上接收的数字信号的边缘通过SCC结构耦合到中间节点上。 然后中断节点上的数字信号的边沿被锁存以重建输入的数字信号,并且锁存的信号被输出到多路复用器数据输出引线上。 与可编程逻辑器件中使用的常规传输栅极复用器相比,多路复用器非常快,具有低漏电流。