Method to create region specific exposure in a layer
    1.
    发明授权
    Method to create region specific exposure in a layer 有权
    在图层中创建区域特定曝光的方法

    公开(公告)号:US07977032B2

    公开(公告)日:2011-07-12

    申请号:US10906268

    申请日:2005-02-11

    IPC分类号: G03F7/20

    CPC分类号: G03F7/2022

    摘要: A method of selectively altering material properties of a substrate in one region while making a different alteration of material properties in an adjoining region is provided. The method includes selectively masking a first portion of the substrate during a first exposure and selectively masking a second portion of the substrate during a second exposure. Additionally, a mask may be formed having more than one thickness where each thickness will selectively reduce the amount of energy from a blanket exposure of the substrate thereby allowing a substrate to receive different levels of energy dosage in a single blanket exposure.

    摘要翻译: 提供了一种在邻接区域中对材料性质进行不同的改变的同时选择性地改变一个区域中的衬底的材料特性的方法。 该方法包括在第一曝光期间选择性地掩蔽衬底的第一部分,并且在第二次曝光期间选择性地掩蔽衬底的第二部分。 另外,可以形成具有多于一个厚度的掩模,其中每个厚度将选择性地减少来自衬底的覆盖曝光的能量的量,从而允许衬底在单次覆盖曝光中接收不同水平的能量。

    Reliable BEOL integration process with direct CMP of porous SiCOH dielectric
    10.
    发明授权
    Reliable BEOL integration process with direct CMP of porous SiCOH dielectric 有权
    可靠的BEOL集成工艺与多孔SiCOH电介质的直接CMP

    公开(公告)号:US07948083B2

    公开(公告)日:2011-05-24

    申请号:US11763135

    申请日:2007-06-14

    IPC分类号: H01L29/40

    摘要: The present invention relates to methods of improving the fabrication of interconnect structures of the single or dual damascene type, in which there is no problem of hard mask retention or of conductivity between the metal lines after fabrication. The methods of the present invention include at least steps of chemical mechanical polishing and UV exposure or chemical repair treatment which steps improve the reliability of the interconnect structure formed. The present invention also relates to an interconnect structure which include a porous ultra low k dielectric of the SiCOH type in which the surface layer thereof has been modified so as to form a gradient layer that has both a density gradient and a C content gradient.

    摘要翻译: 本发明涉及改进单镶嵌型或双镶嵌型互连结构的制造方法,其中在制造之后金属线之间没有硬掩模保持或导电性问题。 本发明的方法至少包括化学机械抛光和UV曝光或化学修复处理的步骤,这些步骤提高了形成的互连结构的可靠性。 本发明还涉及一种互连结构,其包括SiCOH型的多孔超低k电介质,其中其表面层被修饰以形成具有密度梯度和C含量梯度的梯度层。