发明名称 APPARATUS, METHOD, AND COMPOSITION FOR FAR EDGE WAFER CLEANING
摘要 A wafer cleaning apparatus includes a polishing unit used in chemical mechanical polishing (CMP) of a wafer and a cleaning dispensing unit arranged to direct cleaning fluids toward a far edge of the wafer after the CMP of the wafer. A wafer cleaning method includes CMP of a wafer by a polishing unit and directing cleaning fluids toward a far edge of the wafer after the CMP of the wafer by a cleaning dispensing unit. Another method can include CMP, applying deionized water, and applying pH adjuster having a pH range from about 2 to about 13.
申请公布号 US2014213056(A1) 申请公布日期 2014.07.31
申请号 US201313752415 申请日期 2013.01.29
申请人 TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. 发明人 LU Hsin-Hsien;CHANG Ting-Kui;TSAI Jung-Tsan
分类号 H01L21/306 主分类号 H01L21/306
代理机构 代理人
主权项 1. A wafer cleaning apparatus, comprising: a polishing unit used in chemical mechanical polishing (CMP) of a wafer; and a cleaning dispensing unit arranged to direct cleaning fluids toward a far edge of the wafer after the CMP of the wafer.
地址 Hsin-Chu TW