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    • 2. 发明申请
    • Method of cleaning etching apparatus
    • 清洗蚀刻装置的方法
    • US20060191555A1
    • 2006-08-31
    • US11203092
    • 2005-08-15
    • Atsushi YoshidaKotaro FujimotoTakeshi Shimada
    • Atsushi YoshidaKotaro FujimotoTakeshi Shimada
    • B08B6/00B08B9/00
    • B08B7/0035
    • To provide a cleaning method for an etching apparatus for a metal film that efficiently removes an etching residue deposited in an etching process chamber, assures the reproducibility of the etching performance, and keeps the etching process chamber in a low-dust-emission condition. Each time one workpiece with a metal film is etched (S1), the interior of the vacuum chamber is cleaned by replacing the workpiece with a dummy substrate (S2), performing a first step of plasma processing using oxygen (O2) and carbon tetrafluoride (CF4) to remove a carbon-based deposit pile (S3), and performing a second step of plasma processing using boron trichloride (BCl3) and chlorine (Cl2) to remove a residue that could not be removed by the first step and an etching residue of the metal film (S4).
    • 为了提供一种用于金属膜的蚀刻装置的清洁方法,其有效地去除在蚀刻处理室中沉积的蚀刻残留物,确保蚀刻性能的再现性,并且使蚀刻处理室保持在低灰尘发射状态。 每次蚀刻具有金属膜的工件(S 1)时,通过用虚设衬底(S 2)代替工件来清洁真空室的内部,使用氧气进行等离子体处理的第一步骤(O < 2)和四氟化碳(CF 4 SO 4)以除去碳基沉积堆(S 3),并且使用三氯化硼(BCl 3)进行等离子体处理的第二步骤 和氯(Cl 2 O 2),以除去第一步骤不能除去的残余物和金属膜的蚀刻残留物(S 4)。
    • 4. 发明授权
    • Method of cleaning etching apparatus
    • 清洗蚀刻装置的方法
    • US07662235B2
    • 2010-02-16
    • US11203092
    • 2005-08-15
    • Atsushi YoshidaKotaro FujimotoTakeshi Shimada
    • Atsushi YoshidaKotaro FujimotoTakeshi Shimada
    • B08B3/12B08B6/00
    • B08B7/0035
    • To provide a cleaning method for an etching apparatus for a metal film that efficiently removes an etching residue deposited in an etching process chamber, assures the reproducibility of the etching performance, and keeps the etching process chamber in a low-dust-emission condition.Each time one workpiece with a metal film is etched (S1), the interior of the vacuum chamber is cleaned by replacing the workpiece with a dummy substrate (S2), performing a first step of plasma processing using oxygen (O2) and carbon tetrafluoride (CF4) to remove a carbon-based deposit pile (S3), and performing a second step of plasma processing using boron trichloride (BCl3) and chlorine (Cl2) to remove a residue that could not be removed by the first step and an etching residue of the metal film (S4).
    • 为了提供一种用于金属膜的蚀刻装置的清洁方法,其有效地去除在蚀刻处理室中沉积的蚀刻残留物,确保蚀刻性能的再现性,并且使蚀刻处理室保持在低灰尘发射状态。 每次蚀刻具有金属膜的一个工件(S1),通过用虚设衬底(S2)代替工件来清洁真空室的内部,使用氧(O 2)和四氟化碳(O 2)进行等离子体处理的第一步骤 CF4)以除去碳基沉积堆(S3),并且使用三氯化硼(BCl 3)和氯(Cl 2)进行等离子体处理的第二步骤,以除去第一步骤中不能除去的残留物和蚀刻残留物 的金属膜(S4)。
    • 5. 发明授权
    • Plasma etching method
    • 等离子蚀刻法
    • US07186659B2
    • 2007-03-06
    • US11063180
    • 2005-02-23
    • Kotaro FujimotoTakeshi Shimada
    • Kotaro FujimotoTakeshi Shimada
    • H01L21/302H01L21/3065
    • C23F4/00
    • The present invention provides a plasma etching method that can etch a metal film as a material to be etched selectively against an organic film underlying the material. The etching method comprising the steps of introducing an etching gas in an etching chamber wherein a material to be etched is placed, and exciting the etching gas to a plasma state to etch that material to be etched, wherein the material to be etched is a metal film 3 consisting of Au, Pt, Ag, Ti, TiN, TiO, Al, an aluminum alloy, or a laminated film of these films laminated on an organic film 5; and the etching gas is a mixed gas containing at least a gas selected from a group consisting of Cl2, BCl3, and HBr; and at least a gas selected from a group consisting of CH2Cl2, CH2Br2, CH3Cl, CH3Br, CH3F, and CH4.
    • 本发明提供了一种等离子体蚀刻方法,其可以将金属膜作为要被蚀刻的材料选择性地蚀刻到材料下面的有机膜上。 蚀刻方法包括以下步骤:在蚀刻室中引入蚀刻气体,其中放置待蚀刻的材料,并将蚀刻气体激发到等离子体状态以蚀刻待蚀刻的材料,其中待蚀刻的材料是金属 由Au,Pt,Ag,Ti,TiN,TiO,Al,铝合金构成的薄膜3或层叠在有机薄膜5上的这些薄膜的层压薄膜; 并且所述蚀刻气体是至少含有选自由Cl 2 3,BCl 3 N和HBr组成的组的气体的混合气体; 和至少一种选自CH 2 2 CH 2,CH 2 Br 2 CH,CH 2,CH 2, 3,Cl 3,CH 3 Br,CH 3 F和CH 4。
    • 6. 发明申请
    • Plasma etching method
    • 等离子蚀刻法
    • US20060086692A1
    • 2006-04-27
    • US11063180
    • 2005-02-23
    • Kotaro FujimotoTakeshi Shimada
    • Kotaro FujimotoTakeshi Shimada
    • C23F1/00B44C1/22
    • C23F4/00
    • The present invention provides a plasma etching method that can etch a metal film as a material to be etched selectively against anorganic film underlying the material. The etching method comprising the steps of introducing an etching gas in an etching chamber wherein a material to be etched is placed, and exciting the etching gas to a plasma state to etch that material to be etched, wherein the material to be etched is a metal film 3 consisting of Au, Pt, Ag, Ti, TiN, TiO, Al, an aluminum alloy, or a laminated film of these films laminated on an organic film 5; and the etching gas is a mixed gas containing at least a gas selected from a group consisting of Cl2, BCl3, and HBr; and at least a gas selected from a group consisting of CH2Cl2, CH2Br2, CH3Cl, CH3Br, CH3F, and CH4.
    • 本发明提供了一种等离子体蚀刻方法,其可以将金属膜作为要被选择性蚀刻的材料蚀刻到材料下面的有机膜上。 蚀刻方法包括以下步骤:在蚀刻室中引入蚀刻气体,其中放置待蚀刻的材料,并将蚀刻气体激发到等离子体状态以蚀刻待蚀刻的材料,其中待蚀刻的材料是金属 由Au,Pt,Ag,Ti,TiN,TiO,Al,铝合金构成的薄膜3或层叠在有机薄膜5上的这些薄膜的层压薄膜; 并且所述蚀刻气体是至少含有选自由Cl 2 3,BCl 3 N和HBr组成的组的气体的混合气体; 和至少一种选自CH 2 2 CH 2,CH 2 Br 2 CH,CH 2,CH 2, 3,Cl 3,CH 3 Br,CH 3 F和CH 4。