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    • 3. 发明授权
    • Method of forming amorphous TiN by thermal chemical vapor deposition (CVD)
    • 通过热化学气相沉积(CVD)形成无定形TiN的方法
    • US07732307B2
    • 2010-06-08
    • US11143953
    • 2005-06-03
    • Stephen Robert BurgessAndrew PriceNicholas RimmerJohn MacNeil
    • Stephen Robert BurgessAndrew PriceNicholas RimmerJohn MacNeil
    • H01L21/20
    • H01L21/28556C23C16/34H01L21/76843H01L21/76862Y10S257/915
    • A modified TDEAT (tetrakisdiethylamino titanium) based MOCVD precursor for deposition of thin amorphous TiN:Si diffusion barrier layers. The TDEAT is doped with 10 at % Si using TDMAS (trisdimethlyaminosilane); the two liquids are found to form a stable solution when mixed together. Deposition occurs via pyrolysis of the vaporised precursor and NH3 on a heated substrate surface. Experimental results show that we have modified the precursor in such a way to reduce gas phase component of the deposition when compared to the unmodified TDEAT-NH3 reaction. Deposition temperatures were the range of 250-450° C. and under a range of process conditions the modified precursor shows improvements in coating conformality, a reduction in resistivity and an amorphous structure, as shown by TEM and XRD analysis. SIMS and scanning AES have shown that the film is essentially stoichiometric in Ti:N ratio and contains low levels of C (˜0.4 at %) and trace levels of incorporated Si (0.01
    • 用于沉积薄无定形TiN:Si扩散阻挡层的改性TDEAT(四十二乙基氨基钛)MOCVD前体。 使用TDMAS(三羟甲基氨基硅烷)掺杂10at%的TDEAT; 当混合在一起时,发现两种液体形成稳定的溶液。 沉积通过在加热的基底表面上热蒸发的前体和NH 3发生。 实验结果表明,与未改性的TDEAT-NH3反应相比,我们以这种方式修饰了前体,以减少沉积的气相成分。 沉积温度在250-450℃的范围内,并且在一系列工艺条件下,如TEM和XRD分析所示,改性前体显示涂层保形性的改善,电阻率的降低和无定形结构。 SIMS和扫描AES已经表明,该膜基本上是Ti:N比率的化学计量,并且含有低水平的C(〜0.4原子%)和痕量的掺入Si(0.01
    • 7. 发明授权
    • Method of forming a substantially closed void
    • 形成基本封闭的空隙的方法
    • US07351669B2
    • 2008-04-01
    • US10923027
    • 2004-08-23
    • John MacNeil
    • John MacNeil
    • H01L21/31H01L21/469
    • H01L21/7682
    • To form a substantially closed void between two structures on a substrate, a flowable liquid dielectric material is deposited to fill partially the space between the structures, and a surface is placed to bridge and substantially close the space between the structures. The substrate is then inverted whilst maintaining the bridge and the deposited material is allowed to flow down to be substantially supported by the surface. The material is set in its substantially supported position, and the surface is removed.
    • 为了在衬底上的两个结构之间形成基本上闭合的空隙,沉积可流动的液体电介质材料以部分地填充结构之间的空间,并且放置表面以桥接并基本上封闭结构之间的空间。 然后将衬底反转,同时保持桥梁,并且允许沉积的材料向下流动以基本上由表面支撑。 将材料设置在其基本上支撑的位置,并且去除表面。
    • 9. 发明申请
    • Amorphus TiN
    • 无花碱TiN
    • US20050275101A1
    • 2005-12-15
    • US11143953
    • 2005-06-03
    • Stephen BurgessAndrew PriceNicholas RimmerJohn MacNeil
    • Stephen BurgessAndrew PriceNicholas RimmerJohn MacNeil
    • C23C16/34H01L21/285H01L21/4763H01L21/768H01L23/52
    • H01L21/28556C23C16/34H01L21/76843H01L21/76862Y10S257/915
    • A modified TDEAT (tetrakisdiethylamino titanium) based MOCVD precursor for deposition of thin amorphous TiN:Si diffusion barrier layers. The TDEAT is doped with 10 at % Si using TDMAS (trisdimethlyaminosilane); the two liquids are found to form a stable solution when mixed together. Deposition occurs via pyrolysis of the vaporised precursor and NH3 on a heated substrate surface. Experimental results show that we have modified the precursor in such a way to reduce gas phase component of the deposition when compared to the unmodified TDEAT-NH3 reaction. Deposition temperatures were the range of 250-450° C. and under a range of process conditions the modified precursor shows improvements in coating conformality, a reduction in resistivity and an amorphous structure, as shown by TEM and XRD analysis. SIMS and scanning AES have shown that the film is essentially stoichiometric in Ti:N ratio and contains low levels of C (˜0.4 at %) and trace levels of incorporated Si (0.01
    • 用于沉积薄无定形TiN:Si扩散阻挡层的改性TDEAT(四十二乙基氨基钛)MOCVD前体。 使用TDMAS(三羟甲基氨基硅烷)掺杂10at%的TDEAT; 当混合在一起时,发现两种液体形成稳定的溶液。 沉积通过在加热的基底表面上热蒸发的前体和NH 3 3发生。 实验结果表明,与未改性的TDEAT-NH3反应相比,我们以这种方式修饰了前体,以减少沉积的气相成分。 沉积温度在250-450℃的范围内,并且在一系列工艺条件下,如TEM和XRD分析所示,改性前体显示涂层保形性的改善,电阻率的降低和无定形结构。 SIMS和扫描AES已经显示该膜基本上是Ti:N比率的化学计量,并且包含低水平的C(〜0.4at%)和痕量的掺入Si(0.01