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    • 34. 发明申请
    • Plasma processing apparatus and evacuation ring
    • 等离子处理装置和疏散环
    • US20050126488A1
    • 2005-06-16
    • US11047595
    • 2005-02-02
    • Masahiro OgasawaraKazuya Kato
    • Masahiro OgasawaraKazuya Kato
    • H05H1/46B01J19/08C23C16/00C23C16/509H01J37/32H01L21/00H01L21/205H01L21/302H01L21/3065
    • H01J37/32834H01J37/3244H01L21/67069
    • A plasma processing apparatus having an evacuation ring with high plasma resistance and capable of minimizing abnormal discharge is provided. A processing chamber 100 includes a ceiling unit 110 at which an upper electrode 112 is provided and a container unit 120 having a lower electrode 122 provided to face opposite the upper electrode 112, on which a substrate can be placed. An evacuation ring 126 is provided around the lower electrode 122 so as to divide the space in the processing chamber 100 into a plasma processing space 102 and an evacuation space 104. At the evacuation ring 126, through holes 126a and blind holes 126b which are fewer than the through holes 126a and open toward the plasma processing space 102 are formed. An insulation coating constituted of Y2O3 is applied onto the surface of the evacuation ring 126 towards the plasma processing space 102.
    • 提供了一种具有高等离子体电阻并能够使异常放电最小化的排气环的等离子体处理装置。 处理室100包括设置有上电极112的天花板单元110和具有设置成与上电极112相对设置的下电极122的容器单元120,可以放置基板。 在下电极122周围设置有排气环126,以将处理室100中的空间分成等离子体处理空间102和抽空空间104。 在排气环126处形成通孔126a和盲孔126b,盲孔126b比通孔126a少并且朝向等离子体处理空间102开口。 由排气环126的表面向等离子体处理空间102施加由Y 2 O 3 3构成的绝缘涂层。
    • 37. 发明授权
    • Plasma etching method, control program and computer storage medium
    • 等离子蚀刻方法,控制程序和计算机存储介质
    • US08298960B2
    • 2012-10-30
    • US12497106
    • 2009-07-02
    • Masahiro OgasawaraSungtae Lee
    • Masahiro OgasawaraSungtae Lee
    • H01L21/302H01L21/461
    • H01L21/31144H01J37/32091H01J37/32935H01L21/0337H01L21/31116H01L21/31122
    • A plasma etching method, for plasma-etching a target substrate including at least a film to be etched, an organic film to become a mask of the to-be-etched film, and a Si-containing film which are stacked in order from bottom, includes the first organic film etching step, the treatment step and the second organic film etching step when the organic film is etched to form a mask pattern of the to-be-etched film. In the first organic film etching step, a portion of the organic film is etched. In the treatment step, the Si-containing film and the organic film are exposed to plasma of a rare gas after the first organic film etching step. In the second organic film etching step, the remaining portion of the organic film is etched after the treatment step.
    • 一种等离子体蚀刻方法,用于等离子体蚀刻至少包括要蚀刻的膜的目标衬底,成为被蚀刻膜的掩模的有机膜和从底部依次层叠的含Si膜 包括第一有机膜蚀刻步骤,处理步骤和第二有机膜蚀刻步骤,当有机膜被蚀刻以形成被蚀刻膜的掩模图案时。 在第一有机膜蚀刻步骤中,有机膜的一部分被蚀刻。 在处理步骤中,在第一有机膜蚀刻步骤之后,将含Si膜和有机膜暴露于稀有气体的等离子体。 在第二有机膜蚀刻步骤中,在处理步骤之后蚀刻剩余部分有机膜。
    • 39. 发明授权
    • Plasma processing apparatus and evacuation ring
    • 等离子处理装置和疏散环
    • US07255773B2
    • 2007-08-14
    • US11047595
    • 2005-02-02
    • Masahiro OgasawaraKazuya Kato
    • Masahiro OgasawaraKazuya Kato
    • H01L21/3065C23C16/00C23C16/455
    • H01J37/32834H01J37/3244H01L21/67069
    • A plasma processing apparatus having an evacuation ring with high plasma resistance and capable of minimizing abnormal discharge is provided. A processing chamber 100 includes a ceiling unit 110 at which an upper electrode 112 is provided and a container unit 120 having a lower electrode 122 provided to face opposite the upper electrode 112, on which a substrate can be placed. An evacuation ring 126 is provided around the lower electrode 122 so as to divide the space in the processing chamber 100 into a plasma processing space 102 and an evacuation space 104. At the evacuation ring 126, through holes 126a and blind holes 126b which are fewer than the through holes 126a and open toward the plasma processing space 102 are formed. An insulation coating constituted of Y2O3 is applied onto the surface of the evacuation ring 126 towards the plasma processing space 102.
    • 提供了一种具有高等离子体电阻并能够使异常放电最小化的排气环的等离子体处理装置。 处理室100包括设置有上电极112的天花板单元110和具有设置成与上电极112相对设置的下电极122的容器单元120,可以放置基板。 在下电极122周围设置有排气环126,以将处理室100中的空间分成等离子体处理空间102和抽空空间104。 在排气环126处形成通孔126a和盲孔126b,盲孔126b比通孔126a少并且朝向等离子体处理空间102开口。 由排气环126的表面向等离子体处理空间102施加由Y 2 O 3 3构成的绝缘涂层。