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    • 5. 发明授权
    • Method of polishing a semiconductor device
    • 抛光半导体器件的方法
    • US06734103B2
    • 2004-05-11
    • US10081212
    • 2002-02-25
    • Souichi KatagiriUi YamaguchiSeiichi KondoKan YasuiYoshio Kawamura
    • Souichi KatagiriUi YamaguchiSeiichi KondoKan YasuiYoshio Kawamura
    • H01L21302
    • B24B7/228B24B53/02C23F3/00H01L21/3212H01L21/7684
    • A method of manufacturing is described wherein a semiconductor device has a substrate as workpiece with an insulation film formed on the substrate, openings formed inside the insulation film, a first conductive film is formed inside the openings and on a surface of the insulation film, a second conductive film is formed on the first conductive film, and the first and the second conductive films are formed inside openings by planarizing a surface of second conductive film and a surface part of the first conductive film with a fixed abrasive tool. The method includes supplying a first processing liquid, planarizing the surface of the second conductive film with the first processing liquid and the fixed abrasive tool, switching the supply of liquid from a first processing liquid to a second processing liquid, and planarizing the surface of second conductive film and the surface of part of the first conductive film with the second processing liquid and the fixed abrasive tool.
    • 描述了一种制造方法,其中半导体器件具有作为工件的基板,在基板上形成绝缘膜,形成在绝缘膜内部的开口,第一导电膜形成在开口内部和绝缘膜的表面上, 第二导电膜形成在第一导电膜上,并且通过用固定的研磨工具平面化第二导电膜的表面和第一导电膜的表面部分,在开口内形成第一和第二导电膜。 该方法包括提供第一处理液体,将第二导电膜的表面与第一处理液体和固定研磨工具平坦化,将液体从第一处理液体切换到第二处理液体,并将第二处理液体的表面平坦化 导电膜和第一导电膜的部分表面与第二处理液和固定研磨工具。
    • 6. 发明授权
    • Method for manufacturing semiconductor device and apparatus for manufacturing thereof
    • 制造半导体器件的方法及其制造装置
    • US07144298B2
    • 2006-12-05
    • US11133300
    • 2005-05-20
    • Souichi KatagiriUi Yamaguchi
    • Souichi KatagiriUi Yamaguchi
    • B24B49/00
    • B23H5/08B24B37/04C25F3/14C25F7/00H01L21/32125H01L21/7684
    • The object of the invention is to provide a method of manufacturing a semiconductor device and a processing apparatus for planarization wherein to form copper wiring in multiple layers. The removal of a residue of polishing by local electro polishing, the enhancement of the performance of planarization by using a grindstone and the reduction by small frictional force in electro polishing of damage, are enabled. To achieve the object, the following measures are taken. A residue of polishing of copper is removed by combining the detection of a local area including the residue of polishing of copper and local processing for electro polishing. As small-load processing for planarization is enabled by using electro polishing, multilayer interconnection structure using low-k material as a dielectric interlayer is also enabled. Plural pairs of small unit electrodes in a pair of which minus electrodes surround a plus electrode are provided to a tool for electro polishing, each electrode is connected to a power supply, pulse voltage is applied to each electrode and copper is electrolytically polished.
    • 本发明的目的是提供一种制造半导体器件的方法和用于平坦化的处理装置,其中以多层形成铜布线。 通过局部电抛光去除抛光残留物,通过使用磨石提高平面化性能以及通过小摩擦力在电抛光中减少损伤。 为达到此目的,采取以下措施。 通过组合检测包括铜的抛光残余物和局部电抛光的局部区域来去除铜的抛光残余物。 通过使用电抛光能够实现平面化的小负载处理,也可以使用低k材料作为电介质中间层的多层互连结构。 将一对负电极围绕正电极的多对小单元电极提供给用于电抛光的工具,每个电极连接到电源,脉冲电压施加到每个电极并且铜被电解抛光。
    • 8. 发明申请
    • Method for manufacturing semiconductor device and apparatus for manufacturing thereof
    • 制造半导体器件的方法及其制造装置
    • US20050221608A1
    • 2005-10-06
    • US11133300
    • 2005-05-20
    • Souichi KatagiriUi Yamaguchi
    • Souichi KatagiriUi Yamaguchi
    • B23H5/08B24B37/04C25F3/14C25F7/00H01L21/304H01L21/3205H01L21/321H01L21/768H01L21/4763
    • B23H5/08B24B37/04C25F3/14C25F7/00H01L21/32125H01L21/7684
    • The object of the invention is to provide a method of manufacturing a semiconductor device and a processing apparatus for planarization wherein to form copper wiring in multiple layers. The removal of a residue of polishing by local electro polishing, the enhancement of the performance of planarization by using a grindstone and the reduction by small frictional force in electro polishing of damage, are enabled. To achieve the object, the following measures are taken. A residue of polishing of copper is removed by combining the detection of a local area including the residue of polishing of copper and local processing for electro polishing. As small-load processing for planarization is enabled by using electro polishing, multilayer interconnection structure using low-k material as a dielectric interlayer is also enabled. Plural pairs of small unit electrodes in a pair of which minus electrodes surround a plus electrode are provided to a tool for electro polishing, each electrode is connected to a power supply, pulse voltage is applied to each electrode and copper is electrolytically polished.
    • 本发明的目的是提供一种制造半导体器件的方法和用于平坦化的处理装置,其中以多层形成铜布线。 通过局部电抛光去除抛光残留物,通过使用磨石提高平面化性能以及通过小摩擦力在电抛光中减少损伤。 为达到此目的,采取以下措施。 通过组合检测包括铜的抛光残余物和局部电抛光的局部区域来去除铜的抛光残余物。 通过使用电抛光能够实现平面化的小负载处理,也可以使用低k材料作为电介质中间层的多层互连结构。 将一对负电极围绕正电极的多对小单元电极提供给用于电抛光的工具,每个电极连接到电源,脉冲电压施加到每个电极并且铜被电解抛光。