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    • 73. 发明申请
    • Method and Apparatus for Semiconductor Wafer Planarization
    • 半导体晶圆平面化方法与装置
    • US20080166885A1
    • 2008-07-10
    • US12054311
    • 2008-03-24
    • Fred C. RedekerJohn BoydYezdi DordiWilliam ThieBob Maraschin
    • Fred C. RedekerJohn BoydYezdi DordiWilliam ThieBob Maraschin
    • H01L21/31
    • H01L21/7684C23C18/06C23C18/1216C23C18/1225C23C18/1291C23C18/14H01L21/288
    • Broadly speaking, the present invention provides a method and an apparatus for planarizing a semiconductor wafer (“wafer”). More specifically, the present invention provides for depositing a planarizing layer over the wafer, wherein the planarizing layer serves to fill recessed areas present on a surface of the wafer. A planar member is positioned over and proximate to a top surface of the wafer. Positioning of the planar member serves to entrap electroless plating solution between the planar member and the wafer surface. Radiant energy is applied to the wafer surface to cause a temperature increase at an interface between the wafer surface and the electroless plating solution. The temperature increase in turn causes plating reactions to occur at the wafer surface. Material deposited through the plating reactions forms a planarizing layer that conforms to a planarity of the planar member.
    • 广义而言,本发明提供了一种用于平面化半导体晶片(“晶片”)的方法和装置。 更具体地,本发明提供了在晶片上沉积平坦化层,其中平坦化层用于填充存在于晶片表面上的凹陷区域。 平面构件定位在晶片的顶表面上方并靠近晶片的顶表面。 平面构件的定位用于在平面构件和晶片表面之间夹带化学镀溶液。 辐射能量被施加到晶片表面以在晶片表面和化学镀溶液之间的界面处引起温度升高。 温度升高又会导致电镀反应发生在晶片表面。 通过电镀反应沉积的材料形成符合平面构件平坦度的平坦化层。