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    • 4. 发明授权
    • Continuous heat exchanger forming method
    • 连续换热器成型方法
    • US5896659A
    • 1999-04-27
    • US957765
    • 1997-10-24
    • David A. Barnes
    • David A. Barnes
    • B21D53/02F28D7/02B23P15/26
    • B21D53/027F28D7/024Y10T29/4935Y10T29/49373Y10T29/49375Y10T29/49378Y10T29/53113Y10T29/53122
    • A method and a device for continuously forming a heat exchanger that has a helically wound fin tube coil formed by a plurality of wraps. The device includes a rotationally driven mandrel with a central axis and a plurality of forming corners equiangularly disposed about and displaced from the central axis. The rotation of the mandrel is about the central axis in order to wind the fin tube coils onto the mandrel. A forming block is operably rotationally coupled to the mandrel and rotates with the mandrel. The forming block is also slideably engaged with the mandrel for axial translation a selected distance with respect to the mandrel. The forming block guides the winding of the fin tub coils onto the mandrel. An actuator is operably coupled to the forming block and causes the axial translation of the forming block. The axial translation is selectively timed with the rotation of the mandrel forming corners, whereby the wraps of the fin tube coil wound on the mandrel are iteratively axially translated with respect to the mandrel to define a continuous helix having a desired wrap pitch, shape, and spacing.
    • 一种用于连续地形成热交换器的方法和装置,所述热交换器具有由多个包层形成的螺旋缠绕的翅片管线圈。 该装置包括具有中心轴线的旋转驱动心轴和围绕中心轴线偏转设置的多个成角部。 心轴的旋转围绕中心轴线,以便将翅片管线圈卷绕到心轴上。 成形块可操作地旋转地联接到心轴并与心轴一起旋转。 成形块也可与心轴滑动接合,用于相对于心轴的选定距离进行轴向平移。 成型块将翅片桶线圈的卷绕引导到心轴上。 致动器可操作地联接到成形块并且使成形块的轴向平移。 轴向平移选择性地随着心轴的旋转而定时,形成拐角,由此卷绕在心轴上的翅片管线圈的卷相对于心轴被迭代地轴向平移,以限定具有期望的卷绕间距,形状的连续螺旋 间距。
    • 5. 发明授权
    • Method and apparatus for applying external coating to grid array packages for increased reliability and performance
    • 将外部涂层施加到栅格阵列封装的方法和装置,以提高可靠性和性能
    • US07351657B2
    • 2008-04-01
    • US11150450
    • 2005-06-10
    • David A. BarnesJason C. GroomsNeal B. MartinezJoseph M. McKinnerney
    • David A. BarnesJason C. GroomsNeal B. MartinezJoseph M. McKinnerney
    • H01L21/44
    • H01L23/3128H01L21/4853H01L21/4864H01L23/3135H01L2924/00013H01L2924/0002H05K3/3436H05K3/3457H05K2201/0179H05K2203/025H05K2203/0557H01L2224/13099H01L2224/13599H01L2224/05599H01L2224/05099H01L2224/29099H01L2224/29599H01L2924/00
    • A method and apparatus are disclosed for selective removal of a conformal coating from the solder balls of grid array packages such that the benefits of the coating are realized. An ancillary benefit of the invention is improved process-ability of the grid array package by improving the mechanical containment of the solder during the reflow process and improved electrical isolation between the individual solder attachment points. For example, a method for coating a ball grid array is provided, which includes coating the ball grid array with a thin layer of parylene. Next, the solder ball side of the part is butter smeared or squeegeed with a water soluble coating and assembled wet. A mask having holes in the same pattern as the balls in the grid, and a thickness that is about 80% of the height of the balls, is applied to the solder ball side of the part. This side of the part is then butter smeared again with the water soluble coating, and the entire assembly is allowed to dry. At this point, about 20% of each parylene-coated solder ball protrudes higher than the surface of the mask. The solder ball side of the part is then grit blasted with an abrasive material. The extent that the abrasive material removes the parylene coating from the solder balls is limited by the mask and the layer of water soluble coating. Therefore, the grit blasting removes the parylene coating from only the protruding areas (e.g., about top 20%) of the solder balls. Water is then used to remove the water soluble coating, and the parylene coated part is baked to remove moisture. Thus, a parylene coated ball grid array (or column grid array) is provided that is highly impervious to moisture, has a very high dielectric strength, and thereby improves the electrical performance and reliability of the surface mounted part.
    • 公开了一种用于从栅格阵列封装的焊球选择性地去除保形涂层的方法和装置,从而实现了涂层的优点。 本发明的辅助优点是通过改善在回流过程期间焊料的机械容纳以及改善各个焊接附着点之间的电隔离来提高栅格阵列封装的工艺能力。 例如,提供了一种用于涂覆球栅阵列的方法,其包括用聚对二甲苯的薄层涂覆球栅阵列。 接下来,部件的焊球侧面被黄油涂抹或用水溶性涂层刮擦并组装湿。 具有与网格中的球相同的图案的孔和厚度为球的高度的约80%的掩模施加到部件的焊球侧。 然后将该部分的这一面用水溶性涂层再涂抹,并使整个组件干燥。 此时,每个聚对二甲苯涂覆的焊球的约20%比掩模的表面高。 然后用研磨材料对部件的焊球侧进行喷砂处理。 研磨材料从焊球去除聚对二甲苯涂层的程度受到掩模和水溶性涂层的限制。 因此,喷砂仅从焊球的突出区域(例如,约20%左右)去除聚对二甲苯涂层。 然后使用水去除水溶性涂层,并烘烤聚对二甲苯涂布部分以除去水分。 因此,提供了高度不透水分的聚对二甲苯涂覆的球栅阵列(或列格栅阵列),具有非常高的介电强度,从而提高了表面安装部件的电性能和可靠性。
    • 8. 发明授权
    • Navigating with direction keys in an environment that permits navigating
with tab keys
    • 在允许使用标签键浏览的环境中使用方向键进行浏览
    • US6072485A
    • 2000-06-06
    • US919679
    • 1997-08-28
    • David A. BarnesDavid William PlummerJoseph H. Matthews, III
    • David A. BarnesDavid William PlummerJoseph H. Matthews, III
    • G06F3/038G06F3/00
    • G06F3/038
    • A technique for adapting a GUI which is not able to respond to directional navigation inputs which move a focus by specifying a location and a direction from a location to respond to such navigation inputs. The adaptation is done by means of a function which takes the location and the direction as arguments and moves the focus to the area capable of receiving it that is closest to the location specified in the argument in the direction specified in the argument. The function uses a non-directional navigation technique provided by the GUI to obtain each area which is a candidate for receiving the focus in turn and as each area is received, the function determines whether the area is located in the specified direction relative to the specified location and if the area is, whether it is closer to the specified location than any area as yet found. Once all of the areas have been thus examined, the focus is moved to the closest area. A preferred embodiment is disclosed which adapts a WINDOWS brand operating system manufactured by Microsoft Corporation for use with a directional pointing device such as a TV remote controller with direction buttons.
    • 一种用于调整GUI的技术,其不能响应于通过从位置指定位置和方向来移动焦点的方向性导航输入,以响应于这种导航输入。 通过将位置和方向作为参数的函数来完成自适应,并将焦点移动到能够以参数中指定的方向指定的最接近参数位置的区域。 该功能使用GUI提供的非定向导航技术来获得作为接收焦点的候选的每个区域,并且随着每个区域被接收,该功能确定该区域是否位于相对于指定的指定方向的指定方向 位置,如果该区域是否比尚未找到的任何区域更靠近指定位置。 一旦所有这些领域都得到了检查,重点将移至最近的地区。 公开了一种优选实施例,其适用于由Microsoft Corporation制造的WINDOWS品牌操作系统,以与诸如具有方向按钮的TV遥控器之类的定向指示设备一起使用。
    • 9. 发明授权
    • Continuous heat exchanger forming apparatus
    • 连续换热器成型装置
    • US5737828A
    • 1998-04-14
    • US665933
    • 1996-06-19
    • David A. Barnes
    • David A. Barnes
    • B21D53/02F28D7/02B23P15/00
    • B21D53/027F28D7/024Y10T29/4935Y10T29/49373Y10T29/49375Y10T29/49378Y10T29/53113Y10T29/53122
    • A device for continuously forming a heat exchanger that has a helically wound fin tube coil formed by a plurality of wraps includes a rotationally driven mandrel with a central axis and a plurality of forming corners equiangularly disposed about and displaced from the central axis. The rotation of the mandrel is about the central axis in order to wind the fin tube coils onto the mandrel. A forming block is operably rotationally coupled to the mandrel and rotates with the mandrel. The forming block is also slideably engaged with the mandrel for axial translation a selected distance with respect to the mandrel. The forming block guides the winding of the fin tub coils onto the mandrel. An actuator is operably coupled to the forming block and causes the axial translation of the forming block. The axial translation is selectively timed with the rotation of the mandrel forming corners, whereby the wraps of the fin tube coil wound on the mandrel are iteratively axially translated with respect to the mandrel to define a continuous helix having a desired wrap pitch, shape, and spacing.
    • 用于连续地形成热交换器的装置,其具有由多个包层形成的螺旋形翅片管线圈,包括具有中心轴线的旋转驱动心轴和等距设置在中心轴线周围并从中心轴线偏离的多个成角部。 心轴的旋转围绕中心轴线,以便将翅片管线圈卷绕到心轴上。 成形块可操作地旋转地联接到心轴并与心轴一起旋转。 成形块也可与心轴滑动接合,用于相对于心轴的选定距离进行轴向平移。 成型块将翅片桶线圈的卷绕引导到心轴上。 致动器可操作地联接到成形块并且使成形块的轴向平移。 轴向平移选择性地随着心轴的旋转而定时,形成拐角,由此卷绕在心轴上的翅片管线圈的卷相对于心轴被迭代地轴向平移,以限定具有期望的卷绕间距,形状的连续螺旋 间距。