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    • 2. 发明申请
    • METHODS OF DIRECTED SELF-ASSEMBLY AND LAYERED STRUCTURES FORMED THEREFROM
    • 方向自组装方法和形成的层状结构
    • WO2011080016A2
    • 2011-07-07
    • PCT/EP2010068318
    • 2010-11-26
    • IBMSANDERS DANIEL PAULCHENG JOYHINSBERG WILLIAMKIM HO-CHEOLCOLBURN MATTHEWHARRER STEFANHOLMES STEVEN
    • SANDERS DANIEL PAULCHENG JOYHINSBERG WILLIAMKIM HO-CHEOLCOLBURN MATTHEWHARRER STEFANHOLMES STEVEN
    • G03F7/00
    • G03F7/0002B82Y10/00B82Y40/00
    • A method of forming a layered structure comprising a self-assembled material comprises: disposing a non-crosslinking photoresist layer on a substrate; pattern-wise exposing the photoresist layer to first radiation; optionally heating the exposed photoresist layer; developing the exposed photoresist layer in a first development process with an aqueous alkaline developer, forming an initial patterned photoresist layer; treating the initial patterned photoresist layer photochemically, thermally and/or chemically, thereby forming a treated patterned photoresist layer comprising non-crosslinked treated photoresist disposed on a first substrate surface; casting a solution of an orientation control material in a first solvent on the treated patterned photoresist layer, and removing the first solvent, forming an orientation control layer; heating the orientation control layer to effectively bind a portion of the orientation control material to a second substrate surface; removing at least a portion of the treated photoresist and, optionally, any non-bound orientation control material in a second development process, thereby forming a pre-pattern for self-assembly; optionally heating the pre-pattern; casting a solution of a material capable of self-assembly dissolved in a second solvent on the pre-pattern and removing the second solvent; and allowing the casted material to self-assemble with optional heating and/or annealing, thereby forming the layered structure comprising the self-assembled material.
    • 形成包括自组装材料的层状结构的方法包括:在基底上设置非交联光致抗蚀剂层; 将光致抗蚀剂层图案化地暴露于第一辐射; 可选地加热曝光的光致抗蚀剂层; 在第一显影工艺中用含水碱性显影剂显影曝光的光致抗蚀剂层,形成初始图案化的光致抗蚀剂层; 以光学,光学和/或化学方式处理初始图案化的光致抗蚀剂层,从而形成经处理的图案化的光刻胶层,其包含设置在第一衬底表面上的非交联处理的光致抗蚀剂; 在经处理​​的图案化光刻胶层上浇铸取向控制材料在第一溶剂中的溶液,并除去第一溶剂,形成取向控制层; 加热所述取向控制层以有效地将所述取向控制材料的一部分粘合到第二基板表面; 在第二显影过程中除去至少一部分经处理的光致抗蚀剂和任选的任何未结合的取向控制材料,从而形成用于自组装的预图案; 可选地加热预图案; 将能够自组装的溶解在第二溶剂中的材料的溶液浇铸在预图案上并除去第二溶剂; 并且允许铸造材料通过任选的加热和/或退火自组装,从而形成包括自组装材料的层状结构。