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    • 6. 发明授权
    • Silicon wafer polishing holder and method of use thereof
    • US06612905B2
    • 2003-09-02
    • US09840506
    • 2001-04-23
    • Phuong Van Nguyen
    • Phuong Van Nguyen
    • B24B100
    • B24B37/30
    • A method and apparatus for forming wafers of varying thickness'. The apparatus includes a template. The template is formed of a main disk including a plurality of cavities extending into a first side thereof and a backing plate positioned on a side of the main disk opposite the first side. Holding disks are moistened and positioned within respective cavities for releasably securing a wafer in the cavity. When the template is releasably secured to and rotatable with a rotating head and positioned such that the first side faces a lapping and polishing surface, wafers received by the cavities are lapped and polished upon rotation of the rotating head. A plurality of shims are selectively received within respective cavities between a base of the cavity and the holding disk for adjusting a depth of the cavity thereby adjusting an amount of a wafer to be lapped and polished. The shims have varying thickness' and are color coated, each color being representative of a predetermined thickness for the shim. A mylar layer is bonded to a side of the backing plate opposite the main disk. A liquid is provided atop the lapping and polishing surface upon rotation of the templates.
    • 10. 发明授权
    • Method and apparatus for polishing silicon wafers
    • 抛光硅片的方法和装置
    • US06733367B1
    • 2004-05-11
    • US10052647
    • 2002-01-18
    • Phuong Van Nguyen
    • Phuong Van Nguyen
    • B24B100
    • B24B37/042B24B37/30
    • The invention shows a workpiece template and a number of additional elements for forming wafers of varying thicknesses=. The template is formed of a main disk including a plurality of cavities extending through a main plate with either a frictionless material or a backing plate forming the cavity base. The template shows additional elements to aid in the lapping/polishing abrasive fluid movement in the form of spiraling channels moving across the top surface of the template. The channels can extend through the template cavity walls. Also shown are the improvement previously stated applied to a template having notched gear-like teeth for another type of lapping/polishing machine.
    • 本发明示出了用于形成不同厚度的晶片的工件模板和多个附加元件。 模板由包括多个空腔的主盘形成,多个空腔通过主板与无摩擦材料或形成空腔基座的背板延伸。 该模板显示了额外的元素,以帮助研磨/抛光研磨液体运动,其形式为跨过模板顶表面的螺旋形通道。 通道可以延伸穿过模板腔壁。 还示出了先前所述的应用于具有用于另一种研磨抛光机的切口齿轮状齿轮的模板的改进。