Cleaning solution for silicon surface and methods of fabricating semiconductor device using the same
    22.
    发明授权
    Cleaning solution for silicon surface and methods of fabricating semiconductor device using the same 有权
    硅表面清洗液及使用其制造半导体器件的方法

    公开(公告)号:US07879735B2

    公开(公告)日:2011-02-01

    申请号:US11656470

    申请日:2007-01-23

    IPC分类号: H01L21/302

    CPC分类号: H01L21/02063

    摘要: A cleaning solution and methods of fabricating semiconductor devices using the same are provided. A cleaning solution used for cleaning a silicon surface and methods of fabricating a semiconductor device using the same are also provided. The cleaning solution may include 0.01 to 1 wt % of fluoric acid, 20 to 50 wt % of oxidizer and 50 to 80 wt % of water. The cleaning solution may further include 1 to 20 wt % of acetic acid. The cleaning solution may be used to clean a silicon surface exposed during fabrication processes of a semiconductor device. The cleaning solution may reduce damage of other material layers (e.g., a tungsten layer or a silicon oxide layer) and enable the silicon surface to be selectively etched.

    摘要翻译: 提供一种清洁溶液和使用其制造半导体器件的方法。 还提供了用于清洁硅表面的清洁溶液以及使用其制造半导体器件的方法。 清洗液可以含有0.01〜1重量%的氟酸,20〜50重量%的氧化剂和50〜80重量%的水。 清洗溶液还可以含有1〜20重量%的乙酸。 清洁溶液可用于清洁在半导体器件的制造工艺期间暴露的硅表面。 清洁溶液可以减少其它材料层(例如,钨层或氧化硅层)的损伤,并且能够选择性地蚀刻硅表面。

    Cleaning solution for silicon surface and methods of fabricating semiconductor device using the same
    24.
    发明授权
    Cleaning solution for silicon surface and methods of fabricating semiconductor device using the same 有权
    硅表面清洗液及使用其制造半导体器件的方法

    公开(公告)号:US07449417B2

    公开(公告)日:2008-11-11

    申请号:US11489494

    申请日:2006-07-20

    IPC分类号: H01L21/461

    摘要: There are provided a cleaning solution for a silicon surface containing a buffer solution including acetic acid (CH3COOH) and ammonium acetate (CH3COONH4), iodine oxidizer, hydrofluoric acid (HF), and water. In a method for fabricating a semiconductor device, a silicon substrate may have an exposed silicon surface, which may be cleaned using a cleaning solution that contains a buffer solution including acetic acid and ammonium acetate, iodine oxidizer, hydrofluoric acid, and water.

    摘要翻译: 提供了含有含有乙酸(CH 3 COOH)和乙酸铵(CH 3 COCO 4)的缓冲溶液的硅表面的清洗溶液 >),碘氧化剂,氢氟酸(HF)和水。 在制造半导体器件的方法中,硅衬底可以具有暴露的硅表面,其可以使用包含含有乙酸和乙酸铵,碘氧化剂,氢氟酸和水的缓冲溶液的清洁溶液进行清洁。

    Storage nodes of a semiconductor memory
    26.
    发明授权
    Storage nodes of a semiconductor memory 有权
    半导体存储器的存储节点

    公开(公告)号:US07230293B2

    公开(公告)日:2007-06-12

    申请号:US11061215

    申请日:2005-02-18

    IPC分类号: H01L31/119 H01L21/302

    摘要: A semiconductor memory device is provided, including a substrate and storage nodes formed on the substrate from a silicon oxide layer, the layer having been substantially removed by wet etching the silicon oxide layer to a predetermined depth of the storage nodes and dry etching the remaining portion of the silicon oxide layer to expose the storage nodes.

    摘要翻译: 提供一种半导体存储器件,其包括基底和从氧化硅层形成在衬底上的存储节点,该层已通过将氧化硅层湿式蚀刻至存储节点的预定深度而基本上除去,并干蚀刻其余部分 的氧化硅层以暴露存储节点。

    Method of manufacturing capacitor of semiconductor device
    29.
    发明申请
    Method of manufacturing capacitor of semiconductor device 有权
    制造半导体器件电容器的方法

    公开(公告)号:US20060189064A1

    公开(公告)日:2006-08-24

    申请号:US11329577

    申请日:2006-01-11

    IPC分类号: H01L21/8238

    CPC分类号: H01L28/91 H01L27/10852

    摘要: Provided is a method of manufacturing a capacitor of a semiconductor device, which can prevent tilting or an electrical short of a lower electrode. In the method, a mesh-type bridge insulating layer is formed above the contact plug on a mold oxide layer. The mold oxide layer and the bridge insulating layer are etched to define an electrode region. The mold oxide layer is removed using an etching gas having an etch selectivity of 500 or greater for the mold oxide layer with respect to the bridge insulating layer.

    摘要翻译: 提供一种制造半导体器件的电容器的方法,其可以防止下电极的倾斜或电短路。 在该方法中,在模具氧化物层上的接触插塞上方形成网状桥接绝缘层。 蚀刻模具氧化物层和桥接绝缘层以限定电极区域。 使用相对于桥接绝缘层的模具氧化物层的蚀刻选择性为500以上的蚀刻气体去除模具氧化物层。

    CMP slurry composition and a method for planarizing semiconductor device using the same
    30.
    发明授权
    CMP slurry composition and a method for planarizing semiconductor device using the same 有权
    CMP浆料组合物和使用其的半导体器件的平面化方法

    公开(公告)号:US07029509B2

    公开(公告)日:2006-04-18

    申请号:US10399062

    申请日:2001-02-05

    IPC分类号: C09G1/02 C09G1/04 H01L21/302

    摘要: The present invention relates to a CMP (chemical mechanical polishing) slurry composition and a method for planarizing a semiconductor device. The CMP composition comprises fumed silica, tetramethyl ammonium hydroxide, phosphates, fluorine compounds and deionized water. The method of planarizing comprises the steps of etching, subsequently laminating and polishing a semiconductor device by said CMP slurry composition.

    摘要翻译: 本发明涉及CMP(化学机械抛光)浆料组合物和用于平面化半导体器件的方法。 CMP组合物包括热解法二氧化硅,四甲基氢氧化铵,磷酸盐,氟化合物和去离子水。 平面化方法包括以下步骤:通过所述CMP浆料组合物蚀刻,随后层压和抛光半导体器件。