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    • 1. 发明授权
    • Use of PE-SiON or PE-Oxide for contact or via photo and for defect reduction with oxide and w chemical-mechanical polish
    • 使用PE-SiON或PE氧化物进行接触或通过照相和氧化物和化学机械抛光剂进行缺陷还原
    • US06458689B2
    • 2002-10-01
    • US09818714
    • 2001-03-28
    • Chen-Hua YuSyun-Ming JangTsu ShihAnthony YenJih-Chuyng Twu
    • Chen-Hua YuSyun-Ming JangTsu ShihAnthony YenJih-Chuyng Twu
    • H01L214763
    • H01L21/0276H01L21/31144H01L21/3144H01L21/3145H01L21/7684Y10S438/97
    • A method forming a protective (SiON or PE-Ox) dielectric anti-reflective coating (DARC) over a dielectric layer after a chemical-mechanical polish dielectric layer planarization process and before a chemical-mechanical polish of a conductive layer used in a contact or via plug formation. A dielectric layer is chemical-mechanical polished thereby creating microscratches in the dielectric layer. The invention's protective SiON or PE-OX DARC layer is formed over the dielectric layer whereby the protective SiON or PE-OX DARC layer fills in the microscratches. A first opening is etched in he protective layer and the dielectric layer. A conductive layer is formed over the protective layer and fills the first opening. The conductive layer is chemical-mechanical polished to remove the conductive layer from over the protective layer and to form an interconnect filling the first opening. The protective SiON or PE-OX DARC layer is used as a CMP stop thereby preventing microscratches in the dielectric layer.
    • 在化学机械抛光介质层平坦化工艺之后和用于接触的导电层的化学机械抛光之前,在电介质层上形成保护性(SiON或PE-Ox)电介质抗反射涂层(DARC)的方法或 通过插塞形成。 电介质层被化学机械抛光,从而在电介质层中形成微细结构。 本发明的保护性SiON或PE-OX DARC层形成在电介质层上,由此保护性SiON或PE-OX DARC层填充在微细凹槽中。 在其保护层和电介质层中蚀刻第一开口。 导电层形成在保护层上并填充第一开口。 导电层被化学机械抛光以从保护层上方移除导电层并形成填充第一开口的互连。 使用保护性SiON或PE-OX DARC层作为CMP阻挡层,从而防止电介质层中的微细纹。
    • 2. 发明授权
    • Use of PE-SiON or PE-OXIDE for contact or via photo and for defect reduction with oxide and W chemical-mechanical polish
    • 使用PE-SiON或PE-OXIDE进行接触或通过照相和氧化物和W化学机械抛光的缺陷还原
    • US06228760B1
    • 2001-05-08
    • US09263563
    • 1999-03-08
    • Chen-Hua YuSyun-Ming JangTsu ShihAnthony YenJih-Churng Twu
    • Chen-Hua YuSyun-Ming JangTsu ShihAnthony YenJih-Churng Twu
    • H01L214763
    • H01L21/0276H01L21/31144H01L21/3144H01L21/3145H01L21/7684Y10S438/97
    • A method forming a protective (SiON or PE-Ox) dielectric anti-reflective coating (DARC) over a di electric layer after a chemical-mechanical polish dielectric layer planarization process and before a chemical-mechanical polish of a conductive layer used in a contact or via plug formation. A dielectric layer is chemical-mechanical polished thereby creating microscratches in the dielectric layer. The invention's protective SiON or PE-OX DARC layer is formed over the dielectric layer whereby the protective SiON or PE-OX DARC layer fills in the microscratches. A first opening is etched in he protective layer and the dielectric layer. A conductive layer is formed over the protective layer and fills the first opening. The conductive layer is chemical-mechanical polished to remove the conductive layer from over the protective layer and to form an interconnect filling the first opening. The protective SiON or PE-OX DARC layer is used as a CMP stop thereby preventing microscratches in the dielectric layer.
    • 在化学机械抛光介电层平坦化工艺之后和用于接触的导电层的化学机械抛光之前,在二电层上形成保护性(SiON或PE-Ox)电介质抗反射涂层(DARC)的方法 或通过插塞形成。 电介质层被化学机械抛光,从而在电介质层中形成微细结构。 本发明的保护性SiON或PE-OX DARC层形成在电介质层上,由此保护性SiON或PE-OX DARC层填充在微细凹槽中。 在其保护层和电介质层中蚀刻第一开口。 导电层形成在保护层上并填充第一开口。 导电层被化学机械抛光以从保护层上方移除导电层并形成填充第一开口的互连。 使用保护性SiON或PE-OX DARC层作为CMP阻挡层,从而防止电介质层中的微细纹。
    • 3. 发明授权
    • Dual damascene method employing sacrificial via fill layer
    • US06362093B1
    • 2002-03-26
    • US09378459
    • 1999-08-20
    • Syun-Ming JangAnthony YenHung-Chang Hsieh
    • Syun-Ming JangAnthony YenHung-Chang Hsieh
    • H01L214763
    • H01L21/76808
    • A method for forming through a microelectronic layer a via contiguous with a trench. There is first provided a substrate. There is then formed over the substrate a first microelectronic layer. There is then formed upon the first microelectronic layer an etch stop layer. There is then formed upon the etch stop layer a second microelectronic layer. There is then formed over the second microelectronic layer a first patterned photoresist layer which defines the location of a via to be formed through the second microelectronic layer, the etch stop layer and the first microelectronic layer. There is then etched, while employing a first etch method which employs the first patterned photoresist layer as a first etch mask layer, the second microelectronic layer, the etch stop layer and the first microelectronic layer to form a corresponding patterned second microelectronic layer, patterned etch stop layer and patterned first microelectronic layer which define the via. There is then formed into at least a lower portion of the via a sacrificial via fill layer. There is then formed over the patterned second microelectronic layer a patterned second photoresist layer which defines the location of a trench to be formed through the patterned second microelectronic layer, where a first areal dimension of the via is smaller than and contained within a second areal dimension of the trench. There is then etched, while employing a second etch method which employs the second patterned photoresist layer as a second etch mask layer, the patterned second microelectronic layer to form a twice patterned second microelectronic layer which defines the trench, while not completely etching the sacrificial via fill layer within the via to form a no greater than partially etched sacrificial via fill layer within the via. Finally, there is then stripped the no greater than partially etched sacrificial via fill layer from the via to form the reduced height via contiguous with the trench.