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    • 10. 发明申请
    • CLEANING PROCESS FOR MICROELECTRONIC DIELECTRIC AND METAL STRUCTURES
    • 微电介质和金属结构的清洁工艺
    • US20090029543A1
    • 2009-01-29
    • US11782996
    • 2007-07-25
    • Mary Beth RothwellRoy Rongqing Yu
    • Mary Beth RothwellRoy Rongqing Yu
    • H01L21/768
    • H01L21/76814H01L21/02063H01L21/02074
    • A method for cleaning a dielectric and metal structure within a microelectronic structure uses an oxygen containing plasma treatment, followed by an alcohol treatment, in turn followed by an aqueous organic acid treatment. Another method for cleaning a dielectric and metal structure within a microelectronic structure uses an aqueous surfactant treatment followed by an alcohol treatment and finally followed by an aqueous organic acid treatment. The former method may be used to clean a plasma etch residue from a dual damascene aperture. The second method may be used to clean a chemical mechanical polish planarizing residue from a dual damascene structure. The two methods may be used sequentially, absent any intervening or subsequent sputtering method, to provide a dual damascene structure within a microelectronic structure.
    • 用于清洁微电子结构内的电介质和金属结构的方法使用含氧等离子体处理,随后进行醇处理,随后进行含水有机酸处理。 用于清洁微电子结构内的电介质和金属结构的另一种方法使用水性表面活性剂处理,然后进行醇处理,最后进行含水有机酸处理。 前一种方法可用于从双镶嵌孔眼清洗等离子体蚀刻残留物。 第二种方法可用于从双镶嵌结构清洁化学机械抛光平面化残留物。 两种方法可以顺序地使用,没有任何中间或随后的溅射方法,以在微电子结构内提供双镶嵌结构。