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    • 12. 发明授权
    • Chip-to-board connection assembly and method therefor
    • 芯片到板连接组件及其方法
    • US06219254B1
    • 2001-04-17
    • US09286282
    • 1999-04-05
    • Gershon AkerlingJames M. AndersonJohn W. SpargoBenjamin Tang
    • Gershon AkerlingJames M. AndersonJohn W. SpargoBenjamin Tang
    • H05K118
    • H01L23/13H01L23/49833H01L24/48H01L2224/05599H01L2224/16H01L2224/48091H01L2224/73253H01L2224/85399H01L2924/00014H01L2924/01078H01L2924/01079H01L2924/01322H01L2924/1305H01L2924/14H01L2924/15153H01L2924/1517H01L2924/15311H01L2924/1532H01L2924/16152H01L2924/19041H01L2924/30107H01L2924/3011H01L2924/00H01L2224/45015H01L2924/207H01L2224/45099
    • The chip-to-board (or chip-to-MCM) connection assembly and method therefor features a semiconductor chip (31) having a front surface (31f) on which external terminal pads are provided; a board or MCM (32) having a surface (e.g., a recessed surface) at a first side thereof to which the rear surface (31r) of the chip is affixed; and a connection carrier (33), disposed as an overlay, which electrically links the chip and the board or MCM. In this assembly scheme, the connection carrier (e.g., a bump carrier) which is affixed to both the chip and the board or MCM, contains all required signal line tracings (57) to provide the electrical interconnection between the semiconductor chip and the board or MCM. The bump carrier replaces all bond wires (24) and the like and can include support/control circuitry, passive and/or active, associated with, for example, high-speed/high-power IC chips (51). The connection carrier (33) is provided with the electrical contacts (34) such as bump electrodes each interconnecting a contact location (37) at the surface side of the connection carrier facing the semiconductor chip and the oppositely disposed (i) external pad on the chip or (ii) external pad or landing (35) at a side of the board (32) facing the connection carrier (33). Heat generated during operation is released through the rear side of the semiconductor chip (31r), which is affixed to the board or MCM (32).
    • 芯片对板(或芯片到MCM)连接组件及其方法的特征在于具有设置有外部端子焊盘的前表面(31f)的半导体芯片(31) 在芯片的后表面(31r)的第一侧具有表面(例如凹陷表面)的板或MCM(32); 以及连接载体(33),其被布置为覆盖层,其将所述芯片和所述板或MCM电连接。 在该组装方案中,固定到芯片和板或MCM的连接载体(例如,凸块载体)包含所有所需的信号线追踪(57),以提供半导体芯片和板之间的电互连 MCM。 凸块载体代替所有接合线(24)等,并且可以包括与例如高速/大功率IC芯片(51)相关联的支持/控制电路(无源和/或有源)。 连接载体(33)上设有诸如凸起电极的电触点(34),每个凸起电极互相连接在面向半导体芯片的连接载体的表面侧的接触位置(37)和相对设置的(i)外部垫 芯片或(ii)位于板(32)的面向连接载体(33)的一侧的外部焊盘或着陆(35)。 在半导体芯片(31r)的背面放出运行中产生的热量,该半导体芯片(31r)固定在板或MCM(32)上。
    • 15. 发明授权
    • Cryogenic flex cable connector
    • 低温柔性电缆连接器
    • US5970608A
    • 1999-10-26
    • US174953
    • 1998-10-19
    • Thomas S. TigheGershon Akerling
    • Thomas S. TigheGershon Akerling
    • H01R12/61H01R13/24H05K3/36H01R43/02
    • H05K3/365H01R12/774H01R12/78H01R13/2478Y10T29/49126Y10T29/49149Y10T29/49213
    • A new electrical connector system employs two printed circuit board type connector components (1 & 3), each containing a plurality of plated-on metal lines (11 & 13) running along the board in parallel, and a replaceable contact element (9), termed an interposer, that is sandwiched between those printed circuit boards. The interposer contains malleable electrical contacts (15 & 17) on each side that extend electrically from one surface to the other and serves as a contact bridge for those connector contacts. The interposer is formed as a thin insulator strip and metal bumps on the top and bottom sides of the strip serve as the electrical contacts. Bridging connection for metal bumps on the top side with associated bumps on the bottom side is served with plated-through holes (16). The metal bumps are of Indium and Tin that is covered by a flash of Gold. Ancillary to the described connector, a new method for constructing an electrical connector is also presented.
    • 新的电连接器系统采用两个印刷电路板型连接器部件(1和3),每个印刷电路板型连接器部件(1和3)均包含沿板平行延伸的多个镀金属线(11和13)和可更换的接触元件(9) 称为插入器,夹在这些印刷电路板之间。 插入器包含在每个侧面上延伸的电触点(15和17),其从一个表面电连接到另一个表面,并且用作这些连接器触点的接触桥。 该插入件形成为薄的绝缘条,并且在该带的顶部和底部上的金属凸块用作电触点。 上侧的金属凸块的桥接连接与底侧相关的凸点配有电镀通孔(16)。 金属凸块是由金和闪光覆盖的铟和锡。 附带说明的连接器,还提出了一种用于构建电连接器的新方法。