Flexure plate for maintaining contact between a cooling plate/heat sink and a microchip
    3.
    发明授权
    Flexure plate for maintaining contact between a cooling plate/heat sink and a microchip 有权
    用于保持冷却板/散热器和微芯片之间的接触的挠曲板

    公开(公告)号:US07239516B2

    公开(公告)日:2007-07-03

    申请号:US10939230

    申请日:2004-09-10

    IPC分类号: H05K7/20

    摘要: A flexible plate for securing a microchip surface to the surface of a cooling device. The flexible plate allows for z-directional movement between the microchip subassembly having a circuit board and a semiconductor substrate, and the cooling device. The flexible plate is a compact, single piece design that provides constraints in alignment in the x-, y-, and theta-directions, while allowing for z-direction compliance and tilt compliance. The flexible plate has tabs for mounting the microchip subassembly and tabs for mounting the cooling device. The microchip tabs are opposite one another and the cooling device mounting tabs are opposite one another. The flexible plate is a one-piece construction made from sheet metal, plastic, or metal castings. The flexible plate has a band with all the tabs mounted on the inside of the band, or one set of tabs mounted on the outside of the band.

    摘要翻译: 用于将微芯片表面固定到冷却装置的表面的柔性板。 柔性板允许具有电路板的微芯片组件和半导体衬底之间的z方向运动以及冷却装置。 柔性板是一种紧凑的单件设计,可在x轴,y轴和θ轴方向上对齐,同时允许z方向顺应性和倾斜顺应性。 柔性板具有用于安装用于安装冷却装置的微芯片组件和突出部的突片。 微芯片接头彼此相对,并且冷却装置安装接头彼此相对。 柔性板是由金属板,塑料或金属铸件制成的一体式结构。 柔性板具有带子,其中所有突片安装在带的内部,或者一组安装在带的外侧上的突片。

    Thermal paste preforms as a heat transfer media between a chip and a heat sink and method thereof
    5.
    发明授权
    Thermal paste preforms as a heat transfer media between a chip and a heat sink and method thereof 失效
    作为芯片和散热器之间的传热介质的热糊状预成型件及其方法

    公开(公告)号:US06444496B1

    公开(公告)日:2002-09-03

    申请号:US09619886

    申请日:2000-07-20

    IPC分类号: H01L2144

    摘要: The present invention relates generally to a new apparatus and method for introducing thermal paste into semiconductor packages. More particularly, the invention encompasses an apparatus and a method that uses at least one preform of thermal paste for the cooling of at least one chip in a sealed semiconductor package. The thermal paste preform is subcooled, and is transferred onto a module component from a separable transfer sheet, or is placed onto the module component using an attached and/or imbedded mesh. The preform of thermal paste may be of simple or complex shape, and enables cooling of one or more chips in a module.

    摘要翻译: 本发明一般涉及将热膏引入半导体封装的新设备和方法。 更具体地说,本发明包括使用至少一个热糊状物预制件来冷却密封半导体封装中的至少一个芯片的装置和方法。 将热糊预制件过冷,并从可分离转印片材转移到模块组件上,或者使用附接和/或嵌入的网格放置在模块部件上。 热糊状物的预制件可以是简单或复杂的形状,并且能够冷却模块中的一个或多个芯片。

    Method for bonding heatsink to multiple-height chip
    6.
    发明授权
    Method for bonding heatsink to multiple-height chip 失效
    将散热片连接到多芯片芯片的方法

    公开(公告)号:US06214647B1

    公开(公告)日:2001-04-10

    申请号:US09159239

    申请日:1998-09-23

    IPC分类号: H01L2144

    摘要: A method and structure for thermally connecting a thermal conductor to at least one chip, the thermal conductor including a lower surface and at least one piston extending from the lower surface corresponding to each of the chips, each of the chips having an upper surface opposing each of the pistons, the chips being mounted on a substrate, the method comprising steps of metalizing the lower surface of the thermal conductor and the pistons, applying a solder to the lower surface of the thermal conductor, applying a thermal paste between the upper surface of the chips and the pistons, positioning the substrate and the thermal conductor such that the substrate is aligned with the thermal conductor, biasing the thermal conductor toward the substrate, biasing the pistons toward the chips such that the thermal paste has a consistent thickness between each of the chips and the pistons, reflowing the solder, such that the solder bonds the substrate to the thermal conductor and the pistons form a metallurgical bond with the thermal conductor, wherein after the reflowing step, the pistons and the thermal conductor form a unitary structure for maintaining the consistent thickness of the thermal paste between each of the chips and the pistons which achieves a considerably thinner thermal paste layer and greater thermal conduction.

    摘要翻译: 一种用于将热导体热连接到至少一个芯片的方法和结构,所述热导体包括下表面和从与每个芯片对应的下表面延伸的至少一个活塞,每个芯片具有与每个芯片相对的上表面 的活塞,所述芯片安装在基板上,所述方法包括以下步骤:使所述导热体和所述活塞的下表面金属化,向所述导热体的下表面施加焊料,在所述导热体的上表面 芯片和活塞,定位衬底和热导体,使得衬底与热导体对准,将热导体偏压朝向衬底,将活塞偏压到芯片,使得热膏在每个之间具有一致的厚度 芯片和活塞,回流焊料,使得焊料将基板粘合到热导体和活塞上 与热导体进行冶金结合,其中在回流步骤之后,活塞和热导体形成整体结构,用于保持每个芯片和活塞之间的热粘合剂的厚度一致,其实现相当薄的热糊层,并且 更大的热传导。