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    • 3. 发明申请
    • THERMALLY ENCHANCED BGA PACKAGES AND METHODS
    • 热加工BGA封装和方法
    • WO2007143661A2
    • 2007-12-13
    • PCT/US2007/070436
    • 2007-06-05
    • TEXAS INSTRUMENTS INCORPORATEDROMIG, MatthewMATHEW, Thomas
    • ROMIG, MatthewMATHEW, Thomas
    • H01L21/00
    • H01L23/4334H01L23/13H01L23/3128H01L24/48H01L24/73H01L2224/32145H01L2224/48091H01L2224/48227H01L2224/48465H01L2224/73265H01L2224/92247H01L2924/00014H01L2924/01029H01L2924/10253H01L2924/14H01L2924/15311H01L2924/181H01L2924/00H01L2224/32225H01L2924/00012H01L2224/45099H01L2224/45015H01L2924/207
    • Improved ball grid array (BGA) packages (100) are disclosed in which thermal properties are enhanced by means of a heat channel through the substrate (102). The heat channel element is patterned for receiving solder balls. A BGA embodiment of the invention includes an integrated circuit (IC) chip operably coupled to a semiconductor substrate having a top surface (104) for receiving the IC chip (108) and a bottom surface (110) defining the perimeter of the bottom of the package. An encapsulant encloses the IC chip and at least a portion of the top surface of the substrate, defining the top and sides of the package. The substrate includes a heat channel aperture (112) for receiving heat channel element (114) having a surface proximal to the IC chip and having an opposing surface defining at least an interior portion of the bottom surface of the package and patterned for receiving solder balls. Methods for assembling packages according to the invention are also disclosed in which a substrate is provided with a heat channel aperture and heat channel element is placed therein. The substrate and heat channel element are temporarily held in position, preferably using tape, during assembly. Solder ball attachment points are provided at the surface of the heat channel element for receiving solder balls.
    • 公开了改进的球栅阵列(BGA)封装(100),其中通过穿过衬底(102)的热通道来增强热性能。 图案化热通道元件用于接收焊球。 本发明的BGA实施例包括可操作地耦合到半导体衬底的集成电路(IC)芯片,其具有用于接收IC芯片(108)的顶表面(104)和限定所述IC芯片的底部的周边的底表面(110) 包。 密封剂封装IC芯片和衬底顶表面的至少一部分,限定封装的顶部和侧面。 衬底包括用于接收具有靠近IC芯片的表面的热通道元件(114)的热通道孔(112),并且具有限定包装的底表面的至少内部部分的相对表面,并被图案化以接收焊球 。 还公开了根据本发明的组装包装的方法,其中衬底设置有热通道孔,并且将热通道元件放置在其中。 在组装过程中,衬底和热通道元件暂时保持就位,优选使用胶带。 焊球安装点设置在用于接收焊球的热通道元件的表面处。
    • 8. 发明申请
    • POLYOLEFIN DRAG REDUCING AGENTS PRODUCED BY MULTIPLE NON-CRYOGENIC GRINDING STAGES
    • 通过多个非低温磨削阶段生产的聚烯烃减阻剂
    • WO2013009553A2
    • 2013-01-17
    • PCT/US2012/045490
    • 2012-07-05
    • BAKER HUGHES INCORPORATEDMATHEW, ThomasKOMMAREDDI, Nagesh, S.WARD, Jack, Bradford
    • MATHEW, ThomasKOMMAREDDI, Nagesh, S.WARD, Jack, Bradford
    • C08J3/12C08J3/02C08F10/00C08F6/00C09K3/00
    • F17D1/17F17D1/08F17D1/16
    • Fine particulate polymer drag reducing agents (DRAs) in bi-modal or multi-modal particle size distributions may be produced simply and efficiently without cryogenic temperatures. The grinding or pulverizing of polymer, e.g. non-porous poly(alpha-olefin) suitable for reducing drag in hydrocarbons may be achieved by the use of at least one liquid grinding aid and at least two grinding processors in series. The blades of the stators of the grinders are of different configuration so that granulated polymer fed to the first processor having relatively larger gaps between blades is ground to an intermediate size which is fed to the second processor having relatively smaller gaps between blades which grinds the polymer to a second, smaller size. A non-limiting example of a suitable liquid grinding aid includes a blend of propylene glycol, water and hexanol. Particulate DRA may be produced at a size of 300 microns or less in only two passes.
    • 可以在没有低温温度的情况下简单且有效地生产双峰或多峰粒度分布中的细粒聚合物减阻剂(DRA)。 聚合物的研磨或粉碎,例如 适用于降低烃中阻力的无孔聚(α-烯烃)可以通过使用至少一种液体研磨助剂和至少两种串联的研磨处理器来实现。 研磨机的定子的叶片具有不同的构造,以致供给到具有相对较大的叶片之间的间隙的第一处理器的粒状聚合物被研磨成中间尺寸,该中间尺寸被供给到具有相对较小的间隙之间的间隙中的第二处理器, 到第二个更小的尺寸。 合适的液体研磨助剂的非限制性实例包括丙二醇,水和己醇的混合物。 只需两次就可以生产300微米或更小的颗粒状DRA。
    • 9. 发明申请
    • POLYOLEFIN DRAG REDUCING AGENTS PRODUCED BY MULTIPLE NON-CRYOGENIC GRINDING STAGES
    • 多元非球晶研磨生产的聚烯烃减少剂
    • WO2013009553A3
    • 2013-04-04
    • PCT/US2012045490
    • 2012-07-05
    • BAKER HUGHES INCMATHEW THOMASKOMMAREDDI NAGESH SWARD JACK BRADFORD
    • MATHEW THOMASKOMMAREDDI NAGESH SWARD JACK BRADFORD
    • C08J3/12C08F6/00C08F10/00C08J3/02C09K3/00
    • F17D1/17
    • Fine particulate polymer drag reducing agents (DRAs) in bi-modal or multi-modal particle size distributions may be produced simply and efficiently without cryogenic temperatures. The grinding or pulverizing of polymer, e.g. non-porous poly(alpha-olefin) suitable for reducing drag in hydrocarbons may be achieved by the use of at least one liquid grinding aid and at least two grinding processors in series. The blades of the stators of the grinders are of different configuration so that granulated polymer fed to the first processor having relatively larger gaps between blades is ground to an intermediate size which is fed to the second processor having relatively smaller gaps between blades which grinds the polymer to a second, smaller size. A non-limiting example of a suitable liquid grinding aid includes a blend of propylene glycol, water and hexanol. Particulate DRA may be produced at a size of 300 microns or less in only two passes.
    • 双模态或多模式粒度分布的细颗粒聚合物减阻剂(DRAs)可以在没有低温的情况下简单有效地生产。 聚合物的研磨或粉碎,例如 适用于减少烃中的阻力的非多孔聚(α-烯烃)可以通过使用至少一种液体研磨助剂和至少两种串联研磨处理器来实现。 研磨机的定子的叶片具有不同的构造,使得进料到具有相对较大的叶片之间间隙的第一处理器的成粒聚合物被研磨成中间尺寸,其被馈送到第二处理器,其具有在研磨聚合物的叶片之间具有相对更小的间隙 到第二个,更小的尺寸。 合适的液体研磨助剂的非限制性实例包括丙二醇,水和己醇的共混物。 颗粒状DRA可以仅在两次通过时以300微米或更小的尺寸生产。