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    • 6. 发明公开
    • 실리콘계 고분기 고분자 계면 활성제, 이의 제조방법 및이를 포함하는 린스용액을 이용한 린스방법
    • 基于硅酮的高分子量聚合物表面活性剂,其制备方法和使用含有表面活性剂的溶液的冲洗方法
    • KR1020040077454A
    • 2004-09-04
    • KR1020040001916
    • 2004-01-12
    • 삼성전자주식회사
    • 김경미김부득김재호김영호이시용윤상웅
    • C11D1/00C11D11/00H01L21/02
    • C08G77/50C08G77/06C08G77/12C08G77/20C08L83/04C08L83/06C11D1/008C11D3/373C11D11/0047H01L21/02057
    • PURPOSE: A silicone-based highly branched polymer surfactant and preparation method thereof, and a rinsing method using a rinse solution containing the surfactant are provided to remove the hydrophobic photoresist residues with ease, by substituting the terminal group of a polymer having a hydrophobic siloxane backbone with a hydrophilic carboxyl group. CONSTITUTION: The silicone-based highly branched polymer surfactant comprising both of a hydrophilic group and a hydrophobic group is prepared by: hydrolyzing dimethylchlorosilane to form a dimethylsilanol; reacting the resulted dimethylsilanol with divinylmethylchlorosilane to obtain a monomer of methyldivinylsiloxy dimethylsilane represented by the formula 1, wherein R1 is a vinyl group and R2 is a hydric group; and carrying out polymerization process, which comprises polymerizing the monomers by hydrosilation to prepare a polymer and substituting the terminal group of the resulted polymer with a carboxylic group. The rinsing method using a rinse solution containing the surfactant comprises: forming photoresist patterns on a semiconductor substrate; applying a rinse solution comprised of the silicone-based highly branched polymer surfactant and deionized water onto the photoresist pattern and the semiconductor substrate; releasing the residues of a developing solution and photoresist from the pattern and the substrate; and removing the released residues.
    • 目的:提供一种硅基高支化聚合物表面活性剂及其制备方法,以及使用含有表面活性剂的漂洗溶液的漂洗方法,通过用具有疏水性硅氧烷主链的聚合物的末端基取代疏水性光致抗蚀剂残留物 具有亲水性羧基。 构成:通过以下方法制备包含亲水基团和疏水基团的硅氧烷基高支化聚合物表面活性剂:水解二甲基氯硅烷以形成二甲基硅烷醇; 使得到的二甲基硅烷醇与二乙烯基甲基氯硅烷反应,得到由式1表示的甲基二乙烯基甲硅烷氧基二甲基硅烷的单体,其中R1是乙烯基,R2是一个羟基; 并进行聚合过程,其包括通过硅氢化使单体聚合以制备聚合物并用羧基取代所得聚合物的末端基团。 使用含有表面活性剂的冲洗溶液的冲洗方法包括:在半导体衬底上形成光刻胶图案; 将由硅氧烷基高分子量聚合物表面活性剂和去离子水组成的漂洗溶液施加到光致抗蚀剂图案和半导体衬底上; 从图案和衬底释放显影液和光致抗蚀剂的残留物; 并除去释放的残留物。
    • 8. 发明公开
    • 반도체 소자의 미세 패턴 형성방법
    • 形成半导体器件精细图案的方法
    • KR1020080092154A
    • 2008-10-15
    • KR1020070035669
    • 2007-04-11
    • 삼성전자주식회사
    • 박지만김부득윤효진류진아최재희
    • H01L21/027
    • H01L21/0275G03F7/2004G03F7/7045G03F7/70466
    • A method for forming fine patterns of a semiconductor device is provided to store energy in a photoresist layer even if smaller energy is projected than threshold energy, thereby obtaining the desired fine patterns. A method for forming fine patterns of a semiconductor device comprises the steps of: forming a photoresist layer having threshold energy on a semiconductor substrate(101), the threshold energy corresponding to minimum exposure energy to react to the photoresist layer chemically; projecting a first light having a first energy which is lower than the threshold energy to a first region of the photoresist layer to form a preliminary exposure region maintaining the first energy, the preliminary exposure region limiting a non-exposure region; projecting a second light having a second energy which is lower than the threshold energy to a second region in the preliminary exposure region and to the non-exposure region to convert the second region into an exposure region, the sum of the first and second energies the same and higher as/than the threshold energy; and removing the exposure region selectively to form photoresist patterns(110).
    • 提供了一种用于形成半导体器件的精细图案的方法,用于在光刻胶层中存储能量,即使投射的能量小于阈值能量,从而获得所需的精细图案。 一种用于形成半导体器件的精细图案的方法包括以下步骤:在半导体衬底(101)上形成具有阈值能量的光致抗蚀剂层,对应于最小曝光能量的阈值能量与光刻胶层化学反应; 将具有低于阈值能量的第一能量的第一光投射到光致抗蚀剂层的第一区域,以形成保持第一能量的初步曝光区域,该预曝光区域限制非曝光区域; 将具有低于阈值能量的第二能量的第二光投射到预曝光区域中的第二区域和将非曝光区域投影到第二区域以将第二区域转换为曝光区域,第一和第二能量之和 相同和高于阈值能量; 并选择性地去除曝光区域以形成光致抗蚀剂图案(110)。