Method and apparatus for flexibly connecting electronic devices
    4.
    发明授权
    Method and apparatus for flexibly connecting electronic devices 失效
    用于灵活连接电子设备的方法和装置

    公开(公告)号:US5956235A

    公开(公告)日:1999-09-21

    申请号:US22848

    申请日:1998-02-12

    Abstract: A flexible interconnect for flexibly connecting an integrated circuit chip to a substrate. The flexible interconnect includes a flexible core, formed of a polymeric material, fully covered by a layer of an electrically conductive metal. A layer of a compliant material is provided beneath the input/output pad of the substrate and/or integrated circuit chip to reduce mechanical stresses on the flexible interconnect. The substrate and integrated circuit chip may include depressions to receive ends of the flexible interconnect. In one embodiment, the flexible interconnect may be tubular in shape and positioned on a protrusion formed on the substrate.

    Abstract translation: 用于将集成电路芯片灵活连接到基板的柔性互连。 柔性互连件包括由聚合材料形成的柔性芯,其完全由导电金属层覆盖。 在衬底和/或集成电路芯片的输入/输出焊盘下方提供柔性材料层,以减少柔性互连上的机械应力。 衬底和集成电路芯片可以包括凹陷以接收柔性互连的端部。 在一个实施例中,柔性互连可以是管状形状并且定位在形成在基板上的突起上。

    SANDWICHED ORGANIC LGA STRUCTURE
    5.
    发明申请
    SANDWICHED ORGANIC LGA STRUCTURE 失效
    有机有机LGA结构

    公开(公告)号:US20090057865A1

    公开(公告)日:2009-03-05

    申请号:US11847606

    申请日:2007-08-30

    Abstract: An LGA structure is provided having at least one semiconductor device over a substrate and a mechanical load apparatus over the semiconductor device. The structure includes a load-distributing material between the mechanical load apparatus and the substrate. Specifically, the load-distributing material is proximate a first side of the semiconductor device and a second side of the semiconductor device opposite the first side of the semiconductor device. Furthermore, the load-distributing material completely surrounds the semiconductor device and contacts the mechanical load apparatus, the substrate, and the semiconductor device. The load-distributing material can be thermally conductive and comprises an elastomer and/or a liquid. The load-distributing material comprises a LGA interposer adapted to connect the substrate to a PCB below the substrate and/or a second substrate. Moreover, the load-distributing material comprises compressible material layers and rigid material layers. The load-distributing material comprises a rigid material incased in a compressible material.

    Abstract translation: 提供LGA结构,其具有在衬底上的至少一个半导体器件和半导体器件上的机械负载设备。 该结构包括在机械负载装置和基板之间的负载分配材料。 具体地,负载分布材料靠近半导体器件的第一侧,并且半导体器件的与半导体器件的第一侧相对的第二侧。 此外,负载分布材料完全围绕半导体器件并接触机械负载装置,衬底和半导体器件。 载荷分布材料可以是导热的并且包括弹性体和/或液体。 负载分配材料包括适于将衬底连接到衬底下面的PCB和/或第二衬底的LGA插入器。 此外,载荷分布材料包括可压缩材料层和刚性材料层。 载荷分配材料包括浸在可压缩材料中的刚性材料。

    Removal of metal skin from a copper-Invar-copper laminate
    6.
    发明授权
    Removal of metal skin from a copper-Invar-copper laminate 失效
    从铜Inv铜层压板去除金属表皮

    公开(公告)号:US06228246B1

    公开(公告)日:2001-05-08

    申请号:US09347581

    申请日:1999-07-01

    Abstract: A method of removing a metal skin from a through-hole surface of a copper-Invar-copper (CIC) laminate without causing differential etchback of the laminate. The metal skin includes debris deposited on the through-hole surface as the through hole is being formed by laser or mechanical drilling of a substrate that includes the laminate as an inner plane. Removing the metal skin combines electrochemical polishing (ECP) with ultrasonics. ECP dissolves the metal skin in an acid solution, while ultrasonics agitates and circulates the acid solution to sweep the metal skin out of the through hole. ECP is activated when a pulse power supply is turned on and generates a periodic voltage pulse from a pulse power supply whose positive terminal is coupled to the laminate and whose negative terminal is coupled to a conductive cathode. After the metal skin is removed, the laminate is differentially etched such that the copper is etched at a faster rate than the Invar. To prevent the differential etching, a copper layer is formed on a surface of the substrate with an electrical resistance R1 between the copper layer and the positive terminal of the pulse power supply. Additionally, an electrical resistance R2 is formed between the laminate and the positive terminal of the pulse power supply. Adjustment of R1 and R2 controls the relative etch rates of the copper and the Invar.

    Abstract translation: 从铜 - 堇青铜(CIC)层压板的通孔表面去除金属表皮而不会引起层压板的不均匀回蚀的方法。 金属皮肤包括沉积在通孔表面上的碎屑,因为通孔是通过激光或机械钻孔形成的,所述基底包括层压体作为内平面。 去除金属皮肤结合电化学抛光(ECP)与超声波。 ECP将金属皮肤溶解在酸性溶液中,同时超声波搅拌并循环酸溶液以将金属皮肤从通孔中扫出。 当脉冲电源接通时,ECP被激活,并从脉冲电源产生周期性的电压脉冲,该脉冲电源的正极端子耦合到层压板并且其负极端子连接到导电阴极。 在去除金属表皮之后,层压体被差异蚀刻,使得以比Invar更快的速度蚀刻铜。 为了防止差分蚀刻,在衬底的表面上在铜层和脉冲电源的正端之间具有电阻R1形成铜层。 此外,在层压体和脉冲电源的正极端之间形成电阻R2。 R1和R2的调整控制铜和殷钢的相对蚀刻速率。

    Method of making sloped vias
    7.
    发明授权
    Method of making sloped vias 失效
    制作倾斜通孔的方法

    公开(公告)号:US4830706A

    公开(公告)日:1989-05-16

    申请号:US915462

    申请日:1986-10-06

    CPC classification number: H01L21/4803 H01L21/31138

    Abstract: Sloped vias are formed in a resinous layer made from a material which is curable in stages, which can be coated on a substrate prior to partial curing, which adheres to the substrate and which shrinks upon full curing by a process which includes first using a dry, directional etch to form straight walled vias in a partially cured layer of the material coated on the substrate and then fully curing the layer. The straight walled vias are changed to sloped vias during final cure when adhesive contact between the substrate and the layer of resinous material inhibits shrinking of the side of the resinous layer which contacts the substrate, while the unsupported side of the layer is free to shrink. Such sloped vias are observed to improve the integrity of conductive coatings placed in the vias by reducing cracking, peeling and flaking thereof. Sloped vias with conductive coatings are useful in the construction of computer components.

    Abstract translation: 倾斜通孔形成在由可分阶段固化的材料制成的树脂层中,其可以在部分固化之前涂覆在基底上,该部分固化粘附到基底上,并且通过包括首先使用干燥的方法完全固化的收缩 定向蚀刻以在涂覆在基材上的材料的部分固化层中形成直壁通孔,然后完全固化该层。 当基材和树脂材料层之间的粘合剂接触抑制与基材接触的树脂层的侧面的收缩,同时层的无支撑侧自由收缩时,在最终固化期间将直壁通孔改变为倾斜的通孔。 观察到这样的倾斜通孔,通过减少开裂,剥离和剥落来改善放置在通孔中的导电涂层的完整性。 带导电涂层的斜槽可用于计算机部件的构造。

    Sandwiched organic LGA structure
    9.
    发明授权
    Sandwiched organic LGA structure 失效
    三明治有机LGA结构

    公开(公告)号:US07795724B2

    公开(公告)日:2010-09-14

    申请号:US11847606

    申请日:2007-08-30

    Abstract: An LGA structure is provided having at least one semiconductor device over a substrate and a mechanical load apparatus over the semiconductor device. The structure includes a load-distributing material between the mechanical load apparatus and the substrate. Specifically, the load-distributing material is proximate a first side of the semiconductor device and a second side of the semiconductor device opposite the first side of the semiconductor device. Furthermore, the load-distributing material completely surrounds the semiconductor device and contacts the mechanical load apparatus, the substrate, and the semiconductor device. The load-distributing material can be thermally conductive and comprises an elastomer and/or a liquid. The load-distributing material comprises a LGA interposer adapted to connect the substrate to a PCB below the substrate and/or a second substrate. Moreover, the load-distributing material comprises compressible material layers and rigid material layers. The load-distributing material comprises a rigid material incased in a compressible material.

    Abstract translation: 提供LGA结构,其具有在衬底上的至少一个半导体器件和半导体器件上的机械负载设备。 该结构包括在机械负载装置和基板之间的负载分配材料。 具体地,负载分布材料靠近半导体器件的第一侧,并且半导体器件的与半导体器件的第一侧相对的第二侧。 此外,负载分布材料完全围绕半导体器件并接触机械负载装置,衬底和半导体器件。 载荷分布材料可以是导热的并且包括弹性体和/或液体。 负载分配材料包括适于将衬底连接到衬底下面的PCB和/或第二衬底的LGA插入器。 此外,载荷分布材料包括可压缩材料层和刚性材料层。 载荷分配材料包括浸在可压缩材料中的刚性材料。

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