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    • 4. 发明授权
    • Compositions for anti-reflective light absorbing layer and method for forming patterns in semiconductor device using the same
    • 用于抗反射光吸收层的组合物和使用其形成半导体器件中的图案的方法
    • US06838223B2
    • 2005-01-04
    • US10364406
    • 2003-02-12
    • Sang-woong YoonHoe-sik ChungJin-a RyuYoung-ho Kim
    • Sang-woong YoonHoe-sik ChungJin-a RyuYoung-ho Kim
    • G03F7/11G03F7/004G03F7/023G03F7/038G03F7/09G03F7/095H01L21/027G03F7/30
    • G03F7/091G03F7/0382G03F7/095
    • A composition for an anti-reflective layer capable of simultaneously being developed together with a photoresist layer after exposure of the photoresist layer in a photolithography process and a method for forming patterns in a semiconductor device using the composition, wherein the anti-reflective light absorbing layer composition includes a polymer having a (meth)acrylate repeating unit, a light-absorbing group of diazoquinones chemically bound to the (meth)acrylate repeating unit, a photoacid generator, a cross-linker which thermally cross-links the polymer and is decomposed from the polymer by an acid, and a catalyst for the cross-linking reaction of the polymer. The method for forming patterns in a semiconductor device involves forming an anti-reflective layer on a semiconductor substrate using the composition and simultaneously exposing the anti-reflective layer and a photoresist layer, thereby chemically transforming the anti-reflective layer so it is able to be developed. The anti-reflective layer and the photoresist layer are simultaneously developed.
    • 一种用于在光刻工艺中曝光光致抗蚀剂层之后能够与光致抗蚀剂层一起显影的抗反射层的组合物,以及使用该组合物在半导体器件中形成图案的方法,其中抗反射光吸收层 组合物包括具有(甲基)丙烯酸酯重复单元的聚合物,与(甲基)丙烯酸酯重复单元化学键合的重氮醌的光吸收基团,光酸产生剂,热交联聚合物并从聚合物中分解的交联剂 所述聚合物由酸和所述聚合物的交联反应的催化剂组成。 在半导体器件中形成图案的方法包括使用该组合物在半导体衬底上形成抗反射层,同时使抗反射层和光致抗蚀剂层暴露,从而使抗反射层化学转化,使其能够 发达。 同时显影抗反射层和光致抗蚀剂层。
    • 5. 发明授权
    • Development monitoring apparatus and method adopting the same
    • 开发监测装置及采用该方法的方法
    • US5848315A
    • 1998-12-08
    • US747512
    • 1996-11-12
    • Yeong-seon KimMin-gyu KoHoe-sik ChungHong Lee
    • Yeong-seon KimMin-gyu KoHoe-sik ChungHong Lee
    • H01L21/027G03D13/00G03F1/00G03F7/20G03F7/30
    • G03F7/3028G03D13/007G03F7/70675
    • A development monitoring apparatus in which a non-exposed wafer is easily reworked by monitoring a developed portion and an undeveloped portion of a photoresist film on a wafer. The apparatus includes a light source for outputting incident light to a wafer having a photoresist film coated with a developer, and a light collector for collecting reflected light reflecting from the wafer. A filter transmits only the reflected light having a desired wavelength. A photoelectric device transforms the reflected light which passes through the filter into an electrical signal. Correct development of the photoresist film is determined by measuring the intensity change of the electrical signal over time. Accordingly, an exposed wafer and an non-exposed wafer are rapidly reworked, so that an increase in manufacturing costs and deterioration of yield rate can be prevented.
    • 一种显影监测装置,其中通过监测晶片上的光致抗蚀剂膜的显影部分和未显影部分,容易地对未曝光的晶片进行再加工。 该装置包括用于将入射光输出到具有涂覆有显影剂的光致抗蚀剂膜的晶片的光源和用于收集从晶片反射的反射光的光收集器。 滤光器仅透射具有期望波长的反射光。 光电器件将通过滤光器的反射光转换为电信号。 通过测量电信号随时间的强度变化来确定光致抗蚀剂膜的正确显影。 因此,暴露的晶片和未曝光的晶片被快速地重新加工,从而可以防止制造成本的增加和成品率的劣化。