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    • 1. 发明授权
    • Method and apparatus for interim assembly electrical testing of circuit boards
    • 电路板临时组装电气测试方法和装置
    • US06552529B1
    • 2003-04-22
    • US10022270
    • 2001-12-17
    • Benjamin V. FasanoMark G. Courtney
    • Benjamin V. FasanoMark G. Courtney
    • G01R2708
    • G01R31/2808G01R1/0408
    • A method and a structure for assembling a circuit board whereby high temperature attach devices can be electrically tested prior to the joining of permanent low temperature attach devices. A test interposer, with low temperature attach known good reference devices, is placed in electrical contact with the circuit board containing high temperature attach devices. The test interposer/circuit board assembly can be used to identify any defective high temperature attach devices which can be replaced prior to joining the permanent low temperature attach devices on the circuit board. This partial interim test, when only the high temperature attach devices are mounted on the circuit board, eliminates the need to remove known good low temperature attach devices from the circuit board during the high temperature attach device rework process.
    • 一种用于组装电路板的方法和结构,由此在连接永久性低温附着装置之前可以对高温附着装置进行电测试。 具有低温附着的测试插入件已知的良好参考装置与包含高温附接装置的电路板电接触。 测试插件/电路板组件可用于识别在连接电路板上的永久性低温连接装置之前可以更换的任何有缺陷的高温连接装置。 这种部分中间测试当仅将高温附着装置安装在电路板上时,在高温附着装置返工过程中消除了从电路板中去掉已知的良好的低温附着装置的需要。
    • 3. 发明授权
    • Environmentally secure and thermally efficient heat sink assembly
    • 环保和热效率的散热器组件
    • US4715430A
    • 1987-12-29
    • US923456
    • 1986-10-27
    • Allen J. ArnoldMark G. CourtneyDiane N. KirbyKatherine H. MisKerry L. Sutton
    • Allen J. ArnoldMark G. CourtneyDiane N. KirbyKatherine H. MisKerry L. Sutton
    • H01L23/36H01L23/367H01L23/40
    • H01L23/3675H01L2924/0002
    • A heat sink is disclosed for cooling a module having a plurality of chip sites thereon. The heat sink includes a frame member which is made of a material having a coefficient of thermal expansion which is substantially that of the substrate to which it is bonded. The frame has a plurality of fins disposed around the perimeter and a support surface disposed inside the perimeter fins. An insert member made of a high thermal conductivity material rests on the support surface. The insert member has a plurality of fins disposed on one side thereof and a plurality of projections on the other side. Forced air flowing around the fins provides a mechanism for rapidly removing heat therefrom. Each of the projections is disposed above a chip site and extends almost into contact with the upper surface of a chip mounted on the module substrate. A thermal paste is used to transfer heat directly from the chip to the insert member hence a mechanism is provided for rapidly removing heat developed in each chip of the module. The insert member is bonded to the frame member with an appropriate environmentally secure bond to assure that the atmosphere within the module remains the same over the planned life of the product. The spacing between the projections advantageously provides a path for engineering wiring and component changes to be added to the module should such changes become necessary.
    • 公开了一种用于冷却其上具有多个芯片位置的模块的散热器。 散热器包括框架构件,其由具有基本上与其结合的基板的热膨胀系数的材料制成。 框架具有围绕周边设置的多个翅片和设置在周边翅片内部的支撑表面。 由高导热性材料制成的插入件搁置在支撑表面上。 插入构件具有设置在其一侧上的多个翅片和另一侧上的多个突起。 围绕翅片流动的强制空气提供了一种快速从其中除去热量的机构。 每个突起设置在芯片位置上方并且几乎与安装在模块基板上的芯片的上表面几乎接触。 使用热膏将热量直接从芯片传递到插入部件,因此提供了用于快速去除在模块的每个芯片中产生的热量的机构。 插入构件通过适当的环境牢固的结合结合到框架构件,以确保模块内的气氛在产品的计划寿命内保持相同。 突起之间的间距有利地提供了一种用于工程布线和组件变化的路径,以便在需要这种变化时将其添加到模块中。