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    • 2. 发明公开
    • 상변화 물질 연마용 슬러리 및 이를 이용한 상변화 소자 제조 방법
    • 用于抛光相变材料的浆料和使用其改变抛光相变材料的方法
    • KR1020110091351A
    • 2011-08-11
    • KR1020100011142
    • 2010-02-05
    • 한양대학교 산학협력단
    • 박재근백운규박진형최호조종영황희섭임재형김예환
    • C09K3/14
    • C09K3/1463
    • PURPOSE: Slurry for polishing a phase change material is provided to polish the phase change material in which the state of the phase change material before the polishing is crystalline and to improve the polishing selectivity of the phase change material and insulating layer. CONSTITUTION: Slurry for polishing a phase change material comprises abrasives, oxidant with the reference reduction potential larger than perchlorates, and ultrapure water. The phase change material is crystalline chalcogen binary alloy or chalcogen complex alloy. A method for manufacturing a phase change device comprises the steps of: preparing a substrate(110); forming a phase change material layer(130) with a crystalline phase on the substrate; and removing a part of the phase change material layer through a chemical mechanical polishing process using the slurry for polishing a phase change material.
    • 目的:提供用于抛光相变材料的浆料,用于抛光研磨前的相变材料的结晶状态下的相变材料,并提高相变材料和绝缘层的抛光选择性。 构成:用于抛光相变材料的浆料包括研磨剂,参考还原电位大于高氯酸盐的氧化剂和超纯水。 相变材料是结晶硫属元素二元合金或硫族元素复合合金。 一种制造相变装置的方法包括以下步骤:制备基片(110); 在所述衬底上形成具有结晶相的相变材料层(130); 以及通过使用用于抛光相变材料的浆料的化学机械抛光工艺除去一部分相变材料层。
    • 6. 发明公开
    • 상변환 물질 연마용 슬러리 및 이를 이용한 상변환 물질의 패터닝 방법
    • 用于抛光相变材料的浆料和使用该方法绘制抛光相变材料的方法
    • KR1020090114982A
    • 2009-11-04
    • KR1020080040889
    • 2008-04-30
    • 한양대학교 산학협력단
    • 박재근백운규박진형황희섭최호조종영황웅준김예환
    • C09K3/14H01L21/304
    • H01L45/1683C09G1/02C09K3/1436C09K3/1463H01L45/06H01L45/144H01L45/1616
    • PURPOSE: Slurry for polishing a phase changeable material is provided to ensure high polishing selectivity to a lower structure, to selectively polish the phase change material, and to improve surface roughness of abrasive surface. CONSTITUTION: Slurry for polishing a phase changeable material comprises an abrasive material, alkali abrasion improver, and ultra pure water. A method for patterning the phase changeable material comprises the steps of: forming an insulating layer(120) on a lower structure layer containing a substrate(110) and metal pattern formed on the substrate; forming a hole exposing a part of the metal pattern by removing a part of the insulating layer; depositing the phase changeable material layer(130) on an overall structure of the insulating layer including a hole; and removing the phase changeable material layer on the insulating layer through a chemical mechanical polishing process using slurry for polishing the phase changeable material.
    • 目的:提供用于抛光相变材料的浆料,以确保对较低结构的高抛光选择性,选择性地抛光相变材料,并改善磨料表面的表面粗糙度。 构成:用于抛光相变材料的浆料包括研磨材料,碱磨损改进剂和超纯水。 用于图案化相变材料的方法包括以下步骤:在包含衬底的下结构层上形成绝缘层(120)和形成在衬底上的金属图案; 通过去除所述绝缘层的一部分而形成暴露所述金属图案的一部分的孔; 将相变材料层(130)沉积在包括孔的绝缘层的整体结构上; 以及通过使用用于抛光相变材料的浆料的化学机械抛光工艺去除绝缘层上的相变材料层。