Method and apparatus for cleaning the edge of a thin disc
    10.
    发明授权
    Method and apparatus for cleaning the edge of a thin disc 失效
    用于清洁薄盘边缘的方法和装置

    公开(公告)号:US06345630B2

    公开(公告)日:2002-02-12

    申请号:US09738797

    申请日:2000-12-15

    IPC分类号: B08B310

    摘要: An inventive edge cleaning device is provided for cleaning the edge a thin disc such as a semiconductor wafer. The inventive edge cleaning device has a sonic nozzle positioned so as to direct a liquid jet at the edge surface of the thin disc. Preferably the sonic nozzle is radially spaced from the thin disc's edge so that scrubbing, spin rinsing or spin cleaning may be simultaneously performed on the major surfaces of the thin disc as the thin disc edge is cleaned by the sonic nozzle. The liquid jet may include deionized water, NH4OH, KOH, TMAH, HF, citric acid, a surfactant, or other similar cleaning solutions, and the nozzle may remain stationary as the thin disc rotates or the nozzle may scan the circumference of the thin disc to clean the entire edge of the thin disc.

    摘要翻译: 提供了一种创新的边缘清洁装置,用于清洁边缘诸如半导体晶片的薄盘。 本发明的边缘清洁装置具有定位成在薄盘的边缘表面处引导液体射流的声波喷嘴。 优选地,声波喷嘴与薄盘的边缘径向间隔开,使得当由声波喷嘴清洁薄盘边缘时,可以在薄盘的主表面上同时进行洗涤,旋转漂洗或旋转清洁。 液体射流可以包括去离子水,NH 4 OH,KOH,TMAH,HF,柠檬酸,表面活性剂或其他类似的清洁溶液,并且当薄盘旋转时喷嘴可以保持静止,或者喷嘴可以扫描薄盘的圆周 以清洁薄片的整个边缘。