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    • 9. 发明申请
    • SILICON-CONTAINING ANTIREFLECTIVE COATINGS INCLUDING NON-POLYMERIC SILSESQUIOXANES
    • 含硅防反射涂层,包括非聚合物SILESQUIOXANES
    • WO2014171984A2
    • 2014-10-23
    • PCT/US2014/012624
    • 2014-01-23
    • INTERNATIONAL BUSINESS MACHINES CORPORATIONSHIN-ETSU CHEMICAL CO., LTD.
    • GLODDE, MartinHUANG, Wu-songPEREZ, JavierSOORIYAKUMARAN, RatnamKINSHO, TakeshiOGIHARA, TsutomuTACHIBANA, SeiichiroUEDA, Takafumi
    • G03F7/0757G03F7/0045G03F7/0751G03F7/0755G03F7/091G03F7/325
    • Embodiments include a silicon-containing antireflective material including a silicon- containing base polymer, a non-polymeric silsesquioxane material, and a photoacid generator. The silicon-containing base polymer may contain chromophore moieties, transparent moieties, and reactive sites on an SiO x background, where x ranges from approximately 1 to approximately 2. Exemplary non-polymeric silsesquioxane materials include polyhedral oligomeric silsesquioxanes having acid labile side groups linked to hydrophilic groups Exemplary acid labile side groups may include tertiary alkyl carbonates, tertiary alkyl esters, tertiary alkyl ethers, acetals and ketals, Exemplary hydrophilic groups may include phenols, alcohols, carboxylic acids, amides, and sulfonamides. Embodiments further include lithographic structures including an organic anti-reflective layer, the above-described silicon-containing anti-reflective layer above the organic anti-reflective layer, and a photoresist layer above the above-described silicon-containing anti-reflective layer. Embodiments further include a method of forming a lithographic structure utilizing the above-described silicon-containing anti- reflective layer.
    • 实施方案包括含硅抗反射材料,其包含含硅基础聚合物,非聚合物倍半硅氧烷材料和光酸产生剂。 含硅基础聚合物可以在SiO x背景上含有发色团部分,透明部分和反应位点,其中x范围从约1至约2.示例性非聚合物倍半硅氧烷材料包括多面体低聚倍半硅氧烷 具有与亲水基团连接的酸不稳定侧基示例性的酸不稳定侧基可以包括叔烷基碳酸酯,叔烷基酯,叔烷基醚,缩醛和缩酮。示例性的亲水基团可以包括酚,醇,羧酸,酰胺和磺酰胺。 实施例还包括光刻结构,其包括有机抗反射层,在有机抗反射层上方的上述含硅抗反射层以及在上述含硅抗反射层上方的光致抗蚀剂层。 实施例还包括利用上述含硅抗反射层形成光刻结构的方法。