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    • 6. 发明授权
    • Method of forming pattern
    • 形成图案的方法
    • US07575855B2
    • 2009-08-18
    • US11145535
    • 2005-06-03
    • Cha-Won KohSang-Gyun WooGi-Sung YeoMyoung-Ho Jung
    • Cha-Won KohSang-Gyun WooGi-Sung YeoMyoung-Ho Jung
    • G03F1/00
    • G03F7/11G03F7/0752G03F7/40H01L21/0271H01L21/0337H01L21/31138H01L21/31144
    • Disclosed is a method of forming a pattern. A first organic polymer layer is formed on a substrate on which an underlying layer, and then a second organic polymer layer, which has an opening partially exposing the first organic polymer layer, is formed on the first organic polymer layer. Next, a silicon-containing polymer layer is formed on the second organic polymer layer to cover the opening. The silicon-containing polymer layer is oxidized and simultaneously the second organic polymer layer and the first organic polymer layer are ashed by oxygen plasma to form a pattern having an anisotropy-shape. The underlying layer is etched using the silicon-containing polymer layer and the first organic polymer layer as an etching mask to form a pattern.
    • 公开了形成图案的方法。 在第一有机聚合物层上形成第一有机聚合物层,在其上具有下层,然后形成具有部分暴露第一有机聚合物层的开口的第二有机聚合物层。 接下来,在第二有机聚合物层上形成含硅聚合物层以覆盖开口。 含硅聚合物层被氧化,同时第二有机聚合物层和第一有机聚合物层被氧等离子体灰化,形成具有各向异性形状的图案。 使用含硅聚合物层和第一有机聚合物层作为蚀刻掩模蚀刻下层,以形成图案。