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    • 63. 发明公开
    • 구리와 티타늄을 포함하는 금속막용 식각액 조성물
    • 用于包含铜和钛的金属层的蚀刻溶液组合物
    • KR1020110120422A
    • 2011-11-04
    • KR1020100039824
    • 2010-04-29
    • 동우 화인켐 주식회사
    • 임민기권오병이유진유인호
    • C23F1/18C23F1/30H01L21/306
    • C23F1/18C23F1/10C23F1/14C23F1/16C23F1/30H01L21/205H01L21/306
    • PURPOSE: An etching solution composition for a metal layer comprising copper and titanium is provided to simplify an etching process and prevent damage to equipment. CONSTITUTION: An etching solution composition for a metal layer comprising copper and titanium comprises persulfate 5~20 weight%, fluorine compound 0.01~2 weight%, one selected among inorganic acid, inorganic acid salt, and their mixture 1~10 weight%, ring-type amino-compound 0.3~5 weight%, one or more selected among organic acid, organic acid salt, and their mixture 1~10 weight%, and water of the remaining amount. The persulfate is selected from the group consisting of ammonium persulfate, sodium persulfate, and potassium persulphate. The fluorine compound is selected from the group consisting of ammonium fluoride, sodium fluoride, potassium fluoride, ammonium bifluoride, sodium bifluoride, and potassium.
    • 目的:提供用于包含铜和钛的金属层的蚀刻溶液组合物,以简化蚀刻工艺并防止对设备的损坏。 构成:用于包含铜和钛的金属层的蚀刻溶液组合物包含5〜20重量%的过硫酸盐,0.01〜2重量%的氟化合物,1个选自无机酸,无机酸盐及其混合物1〜10重量%的环 型氨基化合物0.3〜5重量%,选自有机酸,有机酸盐及其混合物1〜10重量%中的一种以上,剩余量的水。 过硫酸盐选自过硫酸铵,过硫酸钠和过硫酸钾。 氟化合物选自氟化铵,氟化钠,氟化钾,氟化氢铵,氟化氢钠和钾。
    • 65. 发明公开
    • 몰리브덴용 식각액 조성물
    • 用于钼的蚀刻溶液组合物
    • KR1020110053562A
    • 2011-05-24
    • KR1020090110138
    • 2009-11-16
    • 동우 화인켐 주식회사
    • 임민기장상훈신혜라유인호
    • C09K13/04
    • C23F1/38
    • PURPOSE: An etching solution composition for molybdenum is provide to wet-etch a semiconductor device, especially, a molybdenum film for a gate of TFT and source/drain array line, and to simplify an etching process. CONSTITUTION: An etching solution composition for molybdenum includes, based on the total weight of the composition, 5-25 weight% of H2O2, 0.5-3 weight% of cyclic amine compound, 0.5-5 weight% of additive including a pH adjusting agent, and the remaining amount of water. The cyclic amine compound is single or two kind or more selected from the group consisting of aminotetrazole, benzotriazole, imidazole, indole, furin, pyrazole, pyridine, pyrimidine, pyrrole, pyrrolidine, and pyrroline.
    • 目的:提供用于钼的蚀刻溶液组合物,用于湿式蚀刻半导体器件,特别是用于TFT和源极/漏极阵列线的栅极的钼膜,并简化蚀刻工艺。 构成:用于钼的蚀刻溶液组合物基于组合物的总重量,包括5-25重量%的H 2 O 2,0.5-3重量%的环胺化合物,0.5-5重量%的添加剂,包括pH调节剂, 和剩余的水量。 环胺化合物是选自氨基四唑,苯并三唑,咪唑,吲哚,呋喃林,吡唑,吡啶,嘧啶,吡咯,吡咯烷和吡咯啉中的一种或两种以上。