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    • 4. 发明授权
    • Method of manufacturing semiconductor device with improved removal of resist residues
    • 制造具有改善抗蚀剂残留物去除的半导体器件的方法
    • US06713232B2
    • 2004-03-30
    • US09727542
    • 2000-12-04
    • Seiji MuranakaItaru KannoMami ShirotaJunji Kondo
    • Seiji MuranakaItaru KannoMami ShirotaJunji Kondo
    • G03C500
    • H01L21/02071G03F7/426H01L21/31133H01L21/76802H01L21/76838
    • Resist residues, which is formed in a process of forming Al interconnections, are removed through use of a single chemical. A chemical which contains an organic acid or a salt thereof and water and which has a pH below 8 is used as a treatment for removing resist or resist residues. The chemical may be used in a process in which Al, W, Ti, TiN, and SiO2 are exposed on the surface of a wafer after etching of an Al interconnection; in a process in which Al, W, Ti, TiN, and SiO2 are exposed on the surface of a wafer after etching a hole reaching an Al interconnection in an dielectric layer; in a process in which Cu is exposed on the surface of a semiconductor wafer after dry-etching of a Cu interconnection or etching of an interlayer dielectric film laid on a Cu interconnection; and in a process in which metal material such as W, WN, Ti, or TiN; poly-Si; SiN; and SiO2 are exposed on the surface of a wafer after etching of a metal gate.
    • 通过使用单一化学物质去除在形成Al互连的过程中形成的抗蚀剂残留物。 使用含有有机酸或其盐和水并且pH低于8的化学物质作为去除抗蚀剂或抗蚀剂残留物的处理。 该化学品可用于在Al互连之后Al,W,Ti,TiN和SiO2暴露在晶片表面上的工艺中; 在蚀刻在电介质层中达到Al互连的孔之后,在晶片表面上露出Al,W,Ti,TiN和SiO 2的工艺中, 在Cu互连的干蚀刻或Cu互连上的层间电介质膜的蚀刻之后,在半导体晶片的表面上露出Cu的工序; 并且在诸如W,WN,Ti或TiN的金属材料的过程中, 多晶硅; 罪; 并且在蚀刻金属栅极之后,在晶片的表面上露出SiO 2。
    • 10. 发明授权
    • Resist residue removal apparatus and method
    • 抗蚀剂去除装置及方法
    • US06358329B1
    • 2002-03-19
    • US09342536
    • 1999-06-29
    • Seiji MuranakaItaru Kanno
    • Seiji MuranakaItaru Kanno
    • B08B300
    • H01L21/02054B08B3/08H01L21/67028H01L21/76838
    • The resist residue removal method removes resist residues caused at the time of formation of an aluminum wiring pattern on a semiconductor wafer. The method includes the steps of removal fluid processing, washing, and drying. The method involves forming an atmosphere within a chamber, which houses a semiconductor wafer having an exposed aluminum wiring pattern, by controlling gas flow into the chamber according to the processing step being performed. By the resist residue removal method, yield of a wiring pattern is improved by prevention of local etching of an aluminum wiring pattern, or by prevention of thinning of the aluminum wiring pattern.
    • 抗蚀剂残渣除去方法去除在半导体晶片上形成铝布线图形时产生的抗蚀剂残留物。 该方法包括去除流体处理,洗涤和干燥的步骤。 该方法包括通过根据正在执行的处理步骤控制气体流入室中,在室内形成容纳具有暴露的铝布线图案的半导体晶片的气氛。 通过抗蚀剂残渣除去方法,通过防止铝布线图案的局部蚀刻,或通过防止铝布线图案的变薄来提高布线图案的产量。