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    • 5. 发明授权
    • Substrate cleaning method
    • 基材清洗方法
    • US07678199B2
    • 2010-03-16
    • US11470353
    • 2006-09-06
    • Shogo MizotaMinami TeruomiKenji YokomizoTaira Masaki
    • Shogo MizotaMinami TeruomiKenji YokomizoTaira Masaki
    • B08B3/04
    • H01L21/02052H01L21/02057Y10S134/902
    • A method is provided for reducing the amount of film fragments discharged into a processing liquid circulation system during removal of films from wafers, thereby reducing the frequency of filter cleaning or filter replacement. The method includes exposing a wafer containing a film formed thereon in a process chamber of a substrate processing system to a processing liquid, where the wafer is not rotated or is rotated at a first speed and the processing liquid is discharged from the process chamber to a processing liquid circulation system. Subsequently, exposure of the wafer to the processing liquid is discontinued and the wafer is rotated at a second speed greater than the first speed to centrifugally remove fragments of the film from the wafer. Next, the wafer is exposed to the same or a different processing liquid and the processing liquid is discharged from the process chamber to a processing liquid drain.
    • 提供了一种减少在从晶片去除薄膜期间排出到处理液循环系统中的薄膜碎片的量的方法,从而降低了过滤器清洁或过滤器更换的频率。 该方法包括将其上形成的膜的晶片暴露于基板处理系统的处理室中的处理液体中,其中晶片不以第一速度旋转或旋转,并且处理液体从处理室排出到 处理液体循环系统。 随后,停止将晶片暴露于处理液体,并以大于第一速度的第二速度转动晶片,从晶片离心分离膜片。 接下来,将晶片暴露于相同或不同的处理液体,并且处理液体从处理室排出到处理液体排出口。
    • 7. 发明授权
    • Substrate processing method and apparatus
    • US06199564B1
    • 2001-03-13
    • US09185413
    • 1998-11-03
    • Kenji Yokomizo
    • Kenji Yokomizo
    • B08B304
    • H01L21/67057H01L21/67051Y10S134/902
    • A wafer processing apparatus prevents the reattachment of particles to wafers, such as semiconductor wafers, when processing the wafers by immersing the same held in a vertical attitude in a processing liquid and a cleaning liquid. When immersing the wafers processed by the processing liquid in the cleaning liquid contained in and overflowing a cleaning tank, a wafer holding device holding the wafers in a vertical attitude is stopped temporarily upon the immersion of lower parts of the wafers in the cleaning liquid. Consequently, particles contained in the processing liquid remaining on the wafers are dispersed in the overflowing cleaning liquid, so that the particles can be removed from the wafers and the reattachment of the particles to the wafers does not occur. When transferring the processed wafers to another processing tank or a cleaning tank, a clean gas is blown upward from below the wafers to suppress the down flow of the processing liquid remaining on the wafers in order that films formed on the wafers can be processed uniformly. This serves to improve the yield.
    • 8. 发明授权
    • Apparatus and method for washing substrates
    • 洗涤基材的设备和方法
    • US5730162A
    • 1998-03-24
    • US583979
    • 1996-01-11
    • Naoki ShindoShigenori KitaharaTakayuki ToshimaKenji Yokomizo
    • Naoki ShindoShigenori KitaharaTakayuki ToshimaKenji Yokomizo
    • H01L21/00H01L21/306H01L21/677B08B13/00
    • H01L21/67057H01L21/02052H01L21/67051H01L21/67781Y10S134/902Y10S414/137
    • A substrate washing apparatus includes a bath, a washing solution supply source, a first path for allowing the washing solution overflowing from the bath, a rinse solution supply source, a second path for passing the rinse solution, a common path communicating with the first and second paths and also with a bottom of the bath, a first valve, a second valve, a discharge path branched from the first path, and a control section, wherein the first valve includes a first body for opening/closing the first path, a third path arranged parallel to the first path and having a diameter smaller than a diameter of the first path, and a second body for opening/closing the third path, so that the first body is opened and the second body is closed, to allow the washing solution to flow into the bath, and on the other hand, the first body is closed, the second body is opened, to allow the rinse solution to flow into the bath, and the washing solution remaining in the first and third paths is discharged together with the rinse solution through the discharge path.
    • 底物洗涤装置包括洗涤液,洗涤液供应源,用于使洗涤液从浴中溢出的第一路径,漂洗溶液供应源,用于通过冲洗溶液的第二路径,与第一和第二通道连通的共同路径 第二路径以及底部的第一阀,第一阀,第二阀,从第一路径分支的排出路径和控制部,其中第一阀包括用于打开/关闭第一路径的第一主体, 第三路径,其平行于第一路径布置并且具有小于第一路径的直径的直径;以及用于打开/关闭第三路径的第二主体,使得第一主体被打开并且第二主体被关闭,以允许 洗涤液流入浴中,另一方面关闭第一体,打开第二体,使冲洗液流入浴中,残留在第一和第三路径中的洗涤液排出 d与冲洗溶液一起通过排放路径。