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    • 7. 发明授权
    • Method of producing self-aligned mask in conjunction with blocking mask, articles produced by same and composition for same
    • 生产自对准面罩的方法与阻隔面罩相同,制成的物品及其成分相同
    • US07517637B2
    • 2009-04-14
    • US10804552
    • 2004-03-19
    • Matthew E ColburnSatyanarayana V NittaSampath Purushothaman
    • Matthew E ColburnSatyanarayana V NittaSampath Purushothaman
    • G03F7/00
    • G03F7/2022
    • A method of forming a self aligned pattern on an existing pattern on a substrate including applying a coating of a solution containing a masking material in a carrier, the masking material being either photo or thermally sensitive; performing a blanket exposure of the substrate; and allowing at least a portion of the masking material to preferentially develop in a fashion that replicates the existing pattern of the substrate. The existing pattern includes a first set of regions of the substrate having a first reflectivity and a second set of regions of the substrate having a second reflectivity different from the first composition. The first set of regions can include one or more metal elements and the second set of regions can include one or more dielectrics. Structures made in accordance with the method. A low resolution mask is used to block out regions over the substrate. Additionally, the resist can be applied over another masking layer that contains a separate pattern.
    • 一种在衬底上的现有图案上形成自对准图案的方法,包括在载体中涂覆含有掩模材料的溶液的涂层,所述掩模材料为光敏或热敏感的; 进行基板的覆盖曝光; 并且允许至少一部分掩模材料以复制衬底的现有图案的方式优先显影。 现有图案包括具有第一反射率的衬底的第一组区域和具有不同于第一组成的第二反射率的衬底的第二组区域。 第一组区域可以包括一个或多个金属元素,第二组区域可以包括一个或多个电介质。 按照该方法制造的结构。 低分辨率掩模用于阻挡衬底上的区域。 另外,抗蚀剂可以施加在包含单独图案的另一掩蔽层上。