Thickness Indicators for Wafer Thinning
    41.
    发明申请
    Thickness Indicators for Wafer Thinning 审中-公开
    晶圆薄化厚度指标

    公开(公告)号:US20090008794A1

    公开(公告)日:2009-01-08

    申请号:US11773171

    申请日:2007-07-03

    摘要: A wafer thinning system and method are disclosed that includes grinding away substrate material from a backside of a semiconductor device. A current change is detected in a grinding device responsive to exposure of a first set of device structures through the substrate material, where the grinding is stopped in response to the detected current change. Polishing repairs the surface and continues to remove an additional amount of the substrate material. Exposure of one or more additional sets of device structures through the substrate material is monitored to determine the additional amount of substrate material to remove, where the additional sets of device structures are located in the semiconductor device at a known depth different than the first set.

    摘要翻译: 公开了一种包括从半导体器件的背面研磨衬底材料的晶片减薄系统和方法。 在研磨装置中检测到电流变化,响应于第一组器件结构暴露于基底材料,其中根据检测到的电流变化停止研磨。 抛光修复表面,并继续去除额外量的基材。 监测一个或多个另外的一组装置结构穿过基底材料的曝光,以确定要除去的基底材料的附加量,其中附加的器件结构组位于半导体器件中在与第一组不同的已知深度处。

    Formation of Through Via before Contact Processing
    42.
    发明申请
    Formation of Through Via before Contact Processing 有权
    联络处理前通过形成

    公开(公告)号:US20090001598A1

    公开(公告)日:2009-01-01

    申请号:US11769559

    申请日:2007-06-27

    IPC分类号: H01L23/48

    摘要: The formation of through silicon vias (TSVs) in an integrated circuit (IC) die or wafer is described in which the TSV is formed in the integration process prior to contact or metallization processing. Contacts and bonding pads may then be fabricated after the TSVs are already in place, which allows the TSV to be more dense and allows more freedom in the overall TSV design. By providing a denser connection between TSVs and bonding pads, individual wafers and dies may be bonded directly at the bonding pads. The conductive bonding material, thus, maintains an electrical connection to the TSVs and other IC components through the bonding pads.

    摘要翻译: 描述了在集成电路(IC)管芯或晶片中形成通孔硅通孔(TSV),其中在接触或金属化处理之前的集成工艺中形成TSV。 然后可以在TSV已经就位之后制造触点和接合焊盘,这允许TSV更致密并且允许TSV设计中的更多自由度。 通过在TSV和接合焊盘之间提供更密集的连接,单个晶片和管芯可以直接接合在接合焊盘处。 因此,导电接合材料通过接合焊盘保持与TSV和其它IC部件的电连接。

    Spin Chuck for Thin Wafer Cleaning
    48.
    发明申请
    Spin Chuck for Thin Wafer Cleaning 有权
    旋转夹头用于薄膜清洁

    公开(公告)号:US20120145204A1

    公开(公告)日:2012-06-14

    申请号:US12964097

    申请日:2010-12-09

    IPC分类号: B08B3/08 B08B3/02

    CPC分类号: H01L21/67051 H01L21/68728

    摘要: A device and system for thin wafer cleaning is disclosed. A preferred embodiment comprises a spin chuck having at least three holding clamps. A thin wafer with a wafer frame is mounted on the spin chuck through a tape layer. When the holding clamps are unlocked, there is no interference with the removal and placement of the wafer frame. On the other hand, when the holding clamps are locked, the holding clamps are brought into contact with the outer edge of the wafer frame so as to prevent the wafer frame from moving laterally. Furthermore, the shape of the holding clamps in a locked position is capable of preventing the wafer frame from moving vertically.

    摘要翻译: 公开了用于薄晶片清洁的装置和系统。 优选实施例包括具有至少三个保持夹具的旋转卡盘。 具有晶片框架的薄晶片通过带层安装在旋转卡盘上。 当保持夹具解锁时,不会干扰晶片框架的移除和放置。 另一方面,当保持夹具被锁定时,保持夹具与晶片框架的外边缘接触,以防止晶片框架横向移动。 此外,保持夹具处于锁定位置的形状能够防止晶片框架垂直移动。