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    • 1. 发明授权
    • 구리 단일막 또는 구리 몰리브덴막의 식각용액 및 그식각방법
    • 美国职业棒球协会
    • KR100459271B1
    • 2004-12-03
    • KR1020020023091
    • 2002-04-26
    • 동우 화인켐 주식회사엘지디스플레이 주식회사
    • 채기성조규철권오남이경묵황용섭김기섭김성수오금철
    • C23F1/18
    • PURPOSE: Etching solutions for Cu monolayer or Cu-molybdenum multilayers comprising deionized water and two types of additives comprising hydrogen peroxide water, organic acid, phosphate and nitrogen, and an etching method are provided. CONSTITUTION: The etching solutions comprises first additive comprising 8 to 20 wt.% of hydrogen peroxide water for the total weight of composition, 1 to 5 wt.% of organic acid for the total weight of composition, 0.2 to 5 wt.% of phosphate for the total weight of composition and 0.2 to 5 wt.% of nitrogen for the total weight of composition; second additive comprising 0.2 to 5 wt.% of nitrogen for the total weight of composition; and a balance of deionized water for the total weight of composition. The etching method comprises first step of depositing copper/molybdenum layer on a substrate; second step of selectively leaving photoresist on the copper/molybdenum layer; and third step of etching the copper/molybdenum layer using the etching solution, wherein the copper/molybdenum layer is a double film in which copper film(14) is formed on molybdenum layer(12), wherein thickness of the copper layer is thicker than that of the molybdenum layer, wherein the substrate is a glass substrate(10) for TFT LCD (thin film transistor liquid crystal display), and wherein the copper layer is a source/drain wiring.
    • 目的:提供包含去离子水和包含过氧化氢水,有机酸,磷酸盐和氮的两种添加剂的铜单层或铜钼多层膜的蚀刻溶液以及蚀刻方法。 组成:蚀刻溶液包含第一添加剂,其包含组合物总重量的8至20重量%的过氧化氢水,组合物总重量的1至5重量%的有机酸,0.2至5重量%的磷酸盐 对于组合物的总重量和组合物总重量为0.2-5重量%的氮; 第二添加剂,其包含组合物总重量的0.2至5重量%的氮; 余量的去离子水用于组合物的总重量。 该蚀刻方法包括在基底上沉积铜/钼层的第一步骤; 第二步,在铜/钼层上选择性地留下光刻胶; 以及使用所述蚀刻溶液蚀刻所述铜/钼层的第三步骤,其中所述铜/钼层是在钼层(12)上形成铜膜(14)的双层膜,其中所述铜层的厚度比 其中基板是用于TFT LCD(薄膜晶体管液晶显示器)的玻璃基板(10),并且其中铜层是源极/漏极布线。
    • 4. 发明授权
    • 구리-티타늄 막의 식각용액 및 그 식각방법
    • 구리 - 티타늄막의식각용액및그식각방법
    • KR100419071B1
    • 2004-02-19
    • KR1020010035127
    • 2001-06-20
    • 동우 화인켐 주식회사엘지디스플레이 주식회사
    • 채기성조규철권오남이경묵황용섭송형수김기섭박민춘김성수
    • C23F1/18
    • PURPOSE: An etching solution for copper titanium layer is provided, which has excellent taper profile against copper layer while etching copper layer and titanium layer at the same time, and has decreased attack against glass substrate and lower silicon layer, thus it is applicable to TFT LCD manufacture process. CONSTITUTION: The etching solution comprises 0.1 to 5 wt.% of inorganic oxidizers selected from the group consisting of CuCl2, Cu(NO3)2, CuSO4, Al(NO3)3, Al2(SO4)3, FeCl3, Fe2(SO4)3 and Fe(Cl4)3; 0.5 to 10 wt.% of inorganic acid or their salts; 0.05 to 0.5 wt.% of fluorine; and a balance of deionized water, and optionally 0.005 wt.% or more of additives selected from the group consisting of pyrrolidine, pyrrolin, pyrrol, indole, pyrazol, imidazol, pyrimidine, purine, pyrimidine and their derivatives.
    • 目的:提供一种铜钛层的蚀刻液,它在对铜层和钛层同时进行蚀刻的同时对铜层具有优良的锥形轮廓,并且对玻璃基板和下层硅层的侵蚀减少,因此适用于TFT LCD制造工艺。 组成:蚀刻溶液包含0.1-5重量%的选自CuCl 2,Cu(NO 3)2,CuSO 4,Al(NO 3)3,Al 2(SO 4)3,FeCl 3,Fe 2(SO 4)3 和Fe(Cl4)3; 0.5至10重量%的无机酸或其盐; 0.05至0.5重量%的氟; 和余量的去离子水以及任选的0.005重量%或更多的选自吡咯烷,吡咯啉,吡咯,吲哚,吡唑,咪唑,嘧啶,嘌呤,嘧啶及其衍生物的添加剂。
    • 5. 发明公开
    • 구리-티타늄 막의 식각용액 및 그 식각방법
    • 铜层蚀刻解决方案及其蚀刻方法
    • KR1020020097348A
    • 2002-12-31
    • KR1020010035127
    • 2001-06-20
    • 동우 화인켐 주식회사엘지디스플레이 주식회사
    • 채기성조규철권오남이경묵황용섭송형수김기섭박민춘김성수
    • C23F1/18
    • C23F1/44C23F1/18C23F1/38
    • PURPOSE: An etching solution for copper titanium layer is provided, which has excellent taper profile against copper layer while etching copper layer and titanium layer at the same time, and has decreased attack against glass substrate and lower silicon layer, thus it is applicable to TFT LCD manufacture process. CONSTITUTION: The etching solution comprises 0.1 to 5 wt.% of inorganic oxidizers selected from the group consisting of CuCl2, Cu(NO3)2, CuSO4, Al(NO3)3, Al2(SO4)3, FeCl3, Fe2(SO4)3 and Fe(Cl4)3; 0.5 to 10 wt.% of inorganic acid or their salts; 0.05 to 0.5 wt.% of fluorine; and a balance of deionized water, and optionally 0.005 wt.% or more of additives selected from the group consisting of pyrrolidine, pyrrolin, pyrrol, indole, pyrazol, imidazol, pyrimidine, purine, pyrimidine and their derivatives.
    • 目的:提供铜钛层蚀刻溶液,同时对铜层和钛层进行蚀刻时具有优异的锥形曲线,同时对玻璃基板和硅层的侵蚀减少,因此适用于TFT LCD制造工艺。 构成:蚀刻液含有0.1〜5重量%的选自CuCl 2,Cu(NO 3)2,CuSO 4,Al(NO 3)3,Al 2(SO 4)3,FeCl 3,Fe 2(SO 4)3 和Fe(Cl4)3; 0.5〜10重量%的无机酸或其盐; 0.05〜0.5重量%的氟; 和余量的去离子水,和任选0.005重量%或更多的选自吡咯烷,吡咯啉,吡咯,吲哚,吡唑,咪唑,嘧啶,嘌呤,嘧啶及其衍生物的添加剂。
    • 6. 发明公开
    • 구리 단일막 또는 구리 몰리브덴막의 식각용액 및 그식각방법
    • 用于CU单层或多层多层的蚀刻方法及其制备方法
    • KR1020030084397A
    • 2003-11-01
    • KR1020020023091
    • 2002-04-26
    • 동우 화인켐 주식회사엘지디스플레이 주식회사
    • 채기성조규철권오남이경묵황용섭김기섭김성수오금철
    • C23F1/18
    • C23F1/44C23F1/02
    • PURPOSE: Etching solutions for Cu monolayer or Cu-molybdenum multilayers comprising deionized water and two types of additives comprising hydrogen peroxide water, organic acid, phosphate and nitrogen, and an etching method are provided. CONSTITUTION: The etching solutions comprises first additive comprising 8 to 20 wt.% of hydrogen peroxide water for the total weight of composition, 1 to 5 wt.% of organic acid for the total weight of composition, 0.2 to 5 wt.% of phosphate for the total weight of composition and 0.2 to 5 wt.% of nitrogen for the total weight of composition; second additive comprising 0.2 to 5 wt.% of nitrogen for the total weight of composition; and a balance of deionized water for the total weight of composition. The etching method comprises first step of depositing copper/molybdenum layer on a substrate; second step of selectively leaving photoresist on the copper/molybdenum layer; and third step of etching the copper/molybdenum layer using the etching solution, wherein the copper/molybdenum layer is a double film in which copper film(14) is formed on molybdenum layer(12), wherein thickness of the copper layer is thicker than that of the molybdenum layer, wherein the substrate is a glass substrate(10) for TFT LCD (thin film transistor liquid crystal display), and wherein the copper layer is a source/drain wiring.
    • 目的:提供包含去离子水和包含过氧化氢水,有机酸,磷酸盐和氮气的两种添加剂的Cu单层或Cu-钼多层的蚀刻溶液和蚀刻方法。 构成:蚀刻溶液包含第一添加剂,其包含8至20重量%的组合物总重量的过氧化氢水,占组合物总重量的1至5重量%的有机酸,0.2至5重量%的磷酸盐 对于组合物的总重量和组合物总重量的0.2至5重量%的氮; 第二添加剂,其占组合物总重量的0.2至5重量%的氮; 以及组合物总重量的去离子水的余量。 蚀刻方法包括在基板上沉积铜/钼层的第一步骤; 选择性地将光致抗蚀剂留在铜/钼层上的第二步骤; 以及使用蚀刻溶液蚀刻铜/钼层的第三步骤,其中铜/钼层是在钼层(12)上形成铜膜(14)的双层膜,其中铜层的厚度比 钼层的特征在于,所述基板是用于TFT LCD(薄膜晶体管液晶显示器)的玻璃基板(10),所述铜层是源极/漏极配线。
    • 10. 发明授权
    • 소프트몰드와 그 제조방법
    • 软模具及其制造
    • KR101165868B1
    • 2012-07-13
    • KR1020050057547
    • 2005-06-30
    • 엘지디스플레이 주식회사
    • 이창희채기성조규철김진욱
    • H01L21/027
    • 본 발명에 따른 소프트 몰드는 따른 크기가 작은 패턴과; 크기가 크고 넓은 패턴과; 상기 크기가 크고 넓은 패턴은 상기 크기가 작은 패턴보다 단면의 높이가 작게 구비된 것을 특징으로 한다.
      또한, 본 발명의 이루기 위한 수단으로 소프트몰드 제조하는 방법은 하프톤 마스크를 마련하는 단계와; 마스터기판 상에 감광성막을 형성하는 단계와; 상기 하프톤 마스크를 사용하여 상기 감광성막을 노광하여 경화시키는 단계와; 상기 노광된 감광성막에 미경화영역을 식각하여 마스터몰드를 성하는 단계와; 상기 마스터몰드에 소프트몰드 재료를 도포하는 단계와; 상기 소프트몰드 재료를 경화하는 단계와; 상기 경화된 소프트몰드 재료를 마스터몰드에서 탈착시켜 소프트몰드를 형성하는 단계를 포함하는 것을 특징으로 한다.
      따라서, 본 발명은 소프트몰드에 의해 형성된 패턴의 신뢰성 있게 형성할 수 있어 소프트몰드의 간소한 패턴공정을 수행할 수 있게 된다.