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    • 2. 发明申请
    • Control of breakdown voltage for microelectronic packaging
    • 控制微电子封装的击穿电压
    • US20060044717A1
    • 2006-03-02
    • US10932152
    • 2004-08-31
    • Michael HillWeimin Shi
    • Michael HillWeimin Shi
    • H02H9/00
    • H01L23/62H01L2224/16H01L2924/01079H01L2924/10253H01L2924/15311H05K1/026H05K1/111H05K3/3452H05K2201/0989H05K2201/10734H01L2924/00
    • Reduce breakdown voltage and control breakdown path for electrostatic discharge to terminals of microelectronic packages, such as no-connect Land Grid Array (LGA) pads. In one embodiment, solder resist openings with a small separation distance are used to provide an air breakdown path between a no-connect LGA pad and the surrounding metal and to reduce the breakdown voltage. In one implementation, the no-connect pad has a non-round shape with a protruding portion on the dielectric layer. The air surrounding a solder resist opening over the tip of the protruding portion of the no-connect pad and a nearby solder resist opening over the surrounding metal provides a shortest air breakdown path and the lowest breakdown voltage. Alternatively, sharp features (e.g., metal traces) with a minimum separation distance can be arranged pointing at each other under the solder resist layer, or other dielectric layer inside the package, to provide a non-exposed breakdown path.
    • 降低击穿电压并控制静电放电到微电子封装端子的击穿路径,如无连接焊盘阵列(LGA)焊盘。 在一个实施例中,使用具有小间隔距离的阻焊剂开口,以在非连接LGA焊盘和周围金属之间提供空气击穿路径并降低击穿电压。 在一种实施方式中,无连接焊盘具有在电介质层上具有突出部分的非圆形形状。 围绕在无连接焊盘的突出部分的尖端上的阻焊剂开口的空气和周围金属上的附近的阻焊剂开口提供了最短的击穿路径和最低的击穿电压。 或者,可以布置具有最小间隔距离的尖锐特征(例如,金属迹线),其指向彼此下方的阻焊层或封装内的其它介电层,以提供非暴露的击穿路径。
    • 3. 发明授权
    • Wire segment based interposer for high frequency electrical connection
    • 用于高频电气连接的基于线段的插入器
    • US06264476B1
    • 2001-07-24
    • US09457776
    • 1999-12-09
    • Che-yu LiMatti A. KorhonenWeimin Shi
    • Che-yu LiMatti A. KorhonenWeimin Shi
    • H01R909
    • H01R13/2414G01R1/06716G01R1/06772G01R1/07378H01L2924/00013H01R12/57H05K7/1061H01L2224/29099
    • An interposer for a land grid array includes a dielectric grid having an array of holes and a resilient, conductive button disposed in one or more of the holes. The button includes an insulating core, a conducting element wound around the insulating core, and an outer shell surrounding the conducting element. The characteristics of the conducting element and the buttons may be chosen such that the contact force and resistance, and compressibility or relaxability of the conductive buttons can be selected within wide limits. Contact areas between the shell and the conducting element urge a substantially corresponding displacement in both the conducting element and the shell when the button is under compression or relaxation. The interposer alternatively can include an insulating sheet and rather than conductive buttons contain conducting elements disposed therein having contact areas with the block. The interposer when positioned between a land grid array and an electrical circuit component can accommodate relatively large nonplanarity between respective mating surfaces of the two interconnected components while establishing and maintaining contact between each conducting element and the opposing contact pads of each component. A high local contact force is produced at each end of the conducting element against an opposing electrical contact or contact pad of a circuit device to establish a good electrical connection with the interposer which thus electrically interconnects the land grid array and the circuit component. The new interposer design is eminently amenable to high frequency and high current applications.
    • 用于陆地栅格阵列的插入器包括具有孔阵列的电介质栅格和设置在一个或多个孔中的弹性导电按钮。 按钮包括绝缘芯,缠绕在绝缘芯上的导电元件和围绕导电元件的外壳。 可以选择导电元件和按钮的特征,使得可以在宽范围内选择导电按钮的接触力和电阻以及压缩性或松弛性。 当按钮处于压缩或放松状态时,壳体和导电元件之间的接触区域促使导电元件和壳体中的基本对应的位移。 插入器可以包括绝缘片,而不是包含设置在其中的具有与块的接触区域的导电元件的导电按钮。当位于平台栅格阵列和电路部件之间时,插入器可以适应相对较大的不平坦度 两个相互连接的部件,同时建立和保持每个传导元件与每个部件的相对接触焊盘之间的接触。 在导电元件的每个端部处,抵抗电路器件的相对的电接触或接触焊盘产生高的局部接触力,以与内插器建立良好的电连接,从而使电网互连阵列和电路部件。 新的内插器设计非常适合高频和高电流应用。
    • 4. 发明授权
    • High capacity memory module with built-in-high-speed bus terminations
    • 高容量内存模块,内置高速总线终端
    • US06172895B2
    • 2001-01-09
    • US09461069
    • 1999-12-14
    • Dirk D. BrownWeimin ShiThomas L. Sly
    • Dirk D. BrownWeimin ShiThomas L. Sly
    • G11C506
    • G11C5/06
    • There is a memory module for use in conjunction with high speed, impedance-controlled buses. Each memory card may be a conventional printed circuit card with memory chips attached directly to the card. Alternately, high density memory modules assembled from pluggable sub-modules may be used. These sub-modules may be temporarily assembled for testing and/or burn-in. Bus terminations mounted directly on the memory card or the memory module eliminate the need for bus exit connections, allowing the freed up connection capacity to be used to address additional memory capacity on the module. An innovative pin-in-hole contact system is used both to connect sub-modules to the memory module and, optionally, to connect the memory module to a mother board or similar structure. A thermal control structure may be placed in the memory module to cool the increased number of memory chips to prevent excess heat build-up and ensure reliable memory operation.
    • 存在与高速,阻抗控制的总线一起使用的存储器模块。 每个存储卡可以是传统的印刷电路卡,其中存储芯片直接附着在卡上。 或者,可以使用由可插拔子模块组装的高密度存储器模块。 这些子模块可以临时组装用于测试和/或老化。 直接安装在存储卡或存储器模块上的总线终端不需要总线出口连接,可以利用释放的连接容量来解决模块上的额外存储容量。 创新的针孔接触系统用于将子模块连接到存储器模块,并且可选地将存储器模块连接到母板或类似结构。 可以将热控制结构放置在存储器模块中以冷却增加数量的存储器芯片,以防止过多的热积聚并确保可靠的存储器操作。
    • 5. 发明授权
    • Control of breakdown voltage for microelectronic packaging
    • 控制微电子封装的击穿电压
    • US07324317B2
    • 2008-01-29
    • US10932152
    • 2004-08-31
    • Michael J. HillWeimin Shi
    • Michael J. HillWeimin Shi
    • H02H3/22
    • H01L23/62H01L2224/16H01L2924/01079H01L2924/10253H01L2924/15311H05K1/026H05K1/111H05K3/3452H05K2201/0989H05K2201/10734H01L2924/00
    • Reduce breakdown voltage and control breakdown path for electrostatic discharge to terminals of microelectronic packages, such as no-connect Land Grid Array (LGA) pads. In one embodiment, solder resist openings with a small separation distance are used to provide an air breakdown path between a no-connect LGA pad and the surrounding metal and to reduce the breakdown voltage. In one implementation, the no-connect pad has a non-round shape with a protruding portion on the dielectric layer. The air surrounding a solder resist opening over the tip of the protruding portion of the no-connect pad and a nearby solder resist opening over the surrounding metal provides a shortest air breakdown path and the lowest breakdown voltage. Alternatively, sharp features (e.g., metal traces) with a minimum separation distance can be arranged pointing at each other under the solder resist layer, or other dielectric layer inside the package, to provide a non-exposed breakdown path.
    • 降低击穿电压并控制静电放电到微电子封装端子的击穿路径,如无连接焊盘阵列(LGA)焊盘。 在一个实施例中,使用具有小间隔距离的阻焊剂开口,以在非连接LGA焊盘和周围金属之间提供空气击穿路径并降低击穿电压。 在一种实施方式中,无连接焊盘具有在电介质层上具有突出部分的非圆形形状。 围绕在无连接焊盘的突出部分的尖端上的阻焊剂开口的空气和周围金属上的附近的阻焊剂开口提供了最短的击穿路径和最低的击穿电压。 或者,可以布置具有最小间隔距离的尖锐特征(例如,金属迹线),其指向彼此下方的阻焊层或封装内的其它介电层,以提供非暴露的击穿路径。
    • 7. 发明授权
    • High performance microprocessor power delivery solution using flex connections
    • 高性能微处理器供电解决方案采用柔性连接
    • US06862184B2
    • 2005-03-01
    • US10185194
    • 2002-06-27
    • Weimin ShiZane A. Ball
    • Weimin ShiZane A. Ball
    • G06F1/18H05K1/02H05K1/14H05K1/18H05K7/10H05K7/20
    • G06F1/189H01R12/79H05K1/0231H05K1/0262H05K1/141H05K1/147H05K1/189H05K7/1092H05K2201/10015H05K2201/10689
    • An electronic assembly is disclosed which includes a printed circuit board. A computer processor package is centrally positioned on an upper surface of the printed circuit board. A computer processor is positioned on an upper surface of the computer processor package. A first plurality of power delivery components is positioned on an upper surface of the printed circuit board on one side of the computer processor package. One or more additional pluralities of power delivery components may be positioned on the upper surface of the printed circuit board on other sides of the computer processor package. A high frequency current may be routed from one or more of the first and/or additional pluralities of power delivery components over an elongate flex circuit to the computer processor. A series of decoupling capacitors may be coupled to the elongate flex circuit to enhance a transfer of high frequency current over the elongate flex circuit.
    • 公开了一种电子组件,其包括印刷电路板。 计算机处理器封装集中地位于印刷电路板的上表面上。 计算机处理器位于计算机处理器封装的上表面上。 第一组多个电力输送部件位于计算机处理器封装的一侧上的印刷电路板的上表面上。 一个或多个附加的多个电力输送部件可以位于计算机处理器封装的另一侧上的印刷电路板的上表面上。 高频电流可以通过细长的柔性电路从一个或多个第一和/或另外多个功率输送部件路由到计算机处理器。 一系列去耦电容器可以耦合到细长柔性电路,以增强在细长柔性电路上的高频电流的传递。
    • 9. 发明授权
    • Apparatus and method for generating a plasma x-ray source
    • 用于产生等离子体x射线源的装置和方法
    • US5243638A
    • 1993-09-07
    • US848205
    • 1992-03-10
    • Hui WangWeimin Shi
    • Hui WangWeimin Shi
    • H05G2/00
    • H05G2/003H05G2/005H05G2/008
    • A method and apparatus are provided for generating x-ray photon radiation. A liquid cone anode and an extraction electrode spaced therefrom are disposed in a vacuum chamber. The liquid cone anode comprises a liquid material, a reservoir for holding the liquid material having an opening for passage of the liquid material, and a liquid material feeding and cone forming mechanism operatively associated with the reservoir for feeding liquid material through the opening in the reservoir and for forming a liquid cone from the liquid material A power supply is connected to the liquid cone anode and the extraction electrode for creating an electric field therebetween of sufficient strength to cause particles to be extracted from the liquid cone anode to form a plasma ball in the space between the liquid cone anode and the extraction electrode which emits x-ray photon radiation.
    • 提供了一种用于产生x射线光子辐射的方法和装置。 液体锥形阳极和与其分开的提取电极设置在真空室中。 液体锥体阳极包括液体材料,用于保持具有用于液体材料通过的开口的液体材料的储存器,以及与储存器可操作地相关联的液体材料供给和锥形成机构,用于通过储存器中的开口供给液体材料 并且用于从液体材料形成液体锥体电源连接到液体锥形阳极和引出电极,用于在其间产生足够强度的电场,以使得从液体锥形阳极中提取颗粒以形成等离子体球 液体锥形阳极和引出电极之间的空间,其发射x射线光子辐射。