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    • 3. 发明授权
    • Organic anti-reflective coating polymer and preparation thereof
    • 有机抗反射涂层聚合物及其制备方法
    • US06489432B2
    • 2002-12-03
    • US09747362
    • 2000-12-22
    • Min-Ho JungSung-Eun HongJae-Chang JungGeun-Su LeeKi-Ho Baik
    • Min-Ho JungSung-Eun HongJae-Chang JungGeun-Su LeeKi-Ho Baik
    • C08G224
    • C08F8/00C08F2800/10C08F116/36
    • The present invention provides a polymer that can be used as an anti-refelctive coating (ARC) polymer, an ARC composition comprising the same, methods for producing the same, and methods for using the same. The polymer of the present invention is particularly useful in a submicrolithographic process, for example, using KrF (248 nm), ArF (193 nm), or F2 (157 nm) laser as a light source. The polymer of the present invention comprises a chromophore that is capable of absorbing light at the wavelengths used in a submicrolithographic process. Thus, the ARC of the present invention significantly reduces or prevents back reflection of light and the problem of the CD alteration caused by the diffracted and/or reflected light. The ARC of the present invention also significantly reduces or eliminates the standing wave effect and reflective notching. Therefore, the polymer of the present invention can be used to produce a stable ultrafine pattern that is suitable in manufacturing of 64M, 256M, 1G, 4G and 16G DRAM semiconductor devices. Moreover, the ARC of the present invention significantly improves the production yield of such semiconductor devices.
    • 本发明提供可用作抗反射涂层(ARC)聚合物的聚合物,包含其的ARC组合物,其制备方法及其使用方法。 本发明的聚合物在亚微光刻工艺中特别有用,例如使用KrF(248nm),ArF(193nm)或F2(157nm)激光作为光源。 本发明的聚合物包括能够吸收在亚微光刻工艺中使用的波长的光的发色团。 因此,本发明的ARC显着地减少或防止了光的反射和由衍射光和/或反射光引起的CD改变的问题。 本发明的ARC还显着地减少或消除驻波效应和反射性切口。 因此,本发明的聚合物可以用于制造适合于制造64M,256M,1G,4G和16G DRAM半导体器件的稳定超细晶格。 此外,本发明的ARC显着提高了这种半导体器件的生产成本。
    • 4. 发明授权
    • Organic anti-reflective coating material and its preparation
    • 有机防反射涂料及其制备方法
    • US06368768B1
    • 2002-04-09
    • US09501049
    • 2000-02-09
    • Min-Ho JungSung-Eun HongKi-Ho Baik
    • Min-Ho JungSung-Eun HongKi-Ho Baik
    • G03F7004
    • C08F20/18C07C69/54C07C2603/24
    • Polymers are provided having the following formula I, II or III: Polymers of the present invention can be used to provide an anti-reflective coating (ARC) material useful for submicrolithography processes using 248 nm KrF, 193 nm ArF and 157 nm F2 lasers. The polymers contain chromophore substituents which exhibit sufficient absorbance at wavelengths useful for such submicrolithography process. The ARC prevents back reflection from the surface of or lower layers in the semiconductor devices and solves the problem of the CD being altered by the diffracted and reflected light from such lower layers. The ARC also eliminates the standing waves and reflective notching due to the optical properties of lower layers on the wafer, and due to the changes in the thickness of the photosensitive film applied thereon. This results in the formation of stable ultrafine patterns suitable for 64M, 256M, 1 G, 4 G and 16 G DRAM semiconductor devices and a great improvement in the production yield.
    • 提供具有下列式I,II或III的聚合物:本发明的聚合物可用于提供使用248nm KrF,193nm ArF和157nm F2激光的用于亚微光刻工艺的抗反射涂层(ARC)材料。 聚合物含有发色团取代基,其在用于这种亚微光刻工艺的波长下表现出足够的吸光度。 ARC防止半导体器件中的表面或下层的背反射,并且解决了CD被来自这种较低层的衍射和反射光改变的问题。 由于晶片上的下层的光学特性,并且由于其上施加的感光膜的厚度的变化,ARC还消除了驻波和反射性凹陷。 这导致形成适合64M,256M,1G,4G和16G DRAM半导体器件的稳定超细格局,并且生产产量大大提高。
    • 6. 发明申请
    • Process for Preventing Development Defect and Composition for Use in the Same
    • 防止发展缺陷和组合使用的过程
    • US20100324330A1
    • 2010-12-23
    • US12853640
    • 2010-08-10
    • Yasushi AkiyamaYusuke TakanoKiyohisa TakahashiSung-Eun HongTetsuo Okayasu
    • Yasushi AkiyamaYusuke TakanoKiyohisa TakahashiSung-Eun HongTetsuo Okayasu
    • C07C309/02C07C53/21C07C55/14
    • G03F7/11G03F7/168
    • The composition for preventing development-defects containing (1) an ammonium salt, a tetraalkylammonium salt or a C1 to C4 alkanolamine salt of C4 to C15 perfluoroalkylcarboxylic acid, C4 to C10 perfluoroalkylsulfonic acid and perfluoroadipic acid, or (2) a fluorinated alkyl quaternary ammonium salt of inorganic acid, wherein said surfactant is formed at the equivalent ratio of acid to base of 1:1-1:3 is applied on a chemically amplified photoresist coating on a substrate having a diameter of 8 inches or more. The chemically amplified photoresist coating is baked before and/or after applying the composition for preventing development-defects described above. Then, the baked coating with the development-defect preventing composition coating is exposed to light, post-exposure-baked, and developed. By this process, compared with the case of not using the composition for preventing development-defects, the amount of reduction in film thickness of the photoresist subsequent to development treatment is made further bigger by 100 Å to 600 Å, and the development-defects on a substrate having a diameter of 8 inches or more is reduced as well as a resist pattern having a good cross section form can be formed without T-top form etc.
    • (1)C4〜C15全氟烷基羧酸,C4〜C10全氟烷基磺酸和全氟己二酸的铵盐,四烷基铵盐或C1〜C4链烷醇胺盐,或(2)氟化烷基季铵 无机酸的盐,其中所述表面活性剂以相对于酸与碱的比例为1:1-1:3的比例形成在直径为8英寸或更大的基材上的化学放大的光致抗蚀剂涂层上。 在施加用于防止上述显影缺陷的组合物之前和/或之后烘烤化学放大的光致抗蚀剂涂层。 然后,将具有显影缺陷防止组合物涂层的烘烤涂层曝光,曝光后烘烤和显影。 通过该方法,与不使用用于防止显影缺陷的组合物的情况相比,显影处理后的光致抗蚀剂的膜厚减少量进一步大于100埃至600埃,并且显影缺陷在 直径为8英寸以上的基板减少,并且可以形成具有良好横截面形状的抗蚀剂图案而不具有T形顶端形式等。
    • 8. 发明授权
    • Organic polymer for anti-reflective coating layer and preparation thereof
    • 用于抗反射涂层的有机聚合物及其制备方法
    • US06780953B2
    • 2004-08-24
    • US10293022
    • 2002-11-12
    • Min-Ho JungSung-Eun HongKi-Ho Baik
    • Min-Ho JungSung-Eun HongKi-Ho Baik
    • C08F22068
    • C07C69/54C07C2603/24C08F220/14C08F220/18C08F220/28
    • The present invention provides a polymer that can be used as an anti-reflective coating (ARC) polymer, an ARC composition comprising the same, methods for producing the same, and methods for using the same. The polymer of the present invention is particularly useful in a submicrolithographic process, for example, using KrF (248 nm) or ArF (193 nm) lasers as a light source. The polymer of the present invention comprises a chromophore that is capable of absorbing light at the wavelengths used in a submicrolithographic process. Thus, the ARC of the present invention significantly reduces or prevents back reflection of light and the problem of the CD alteration caused by the diffracted and/or reflected light. The ARC of the present invention also significantly reduces or eliminates the standing wave effect and reflective notching. Therefore, the polymer of the present invention can be used to produce a stable ultrafine pattern that is suitable in manufacturing of 64M, 256M, 1G, 4G and 16G DRAM semiconductor devices. Moreover, the ARC of the present invention significantly improves the production yield of such semiconductor devices.
    • 本发明提供可用作抗反射涂层(ARC)聚合物的聚合物,包含其的ARC组合物,其制备方法及其使用方法。 本发明的聚合物在例如使用KrF(248nm)或ArF(193nm)激光器作为光源的亚微光刻工艺中特别有用。 本发明的聚合物包括能够吸收在亚微光刻工艺中使用的波长的光的发色团。 因此,本发明的ARC显着地减少或防止了光的反射和由衍射光和/或反射光引起的CD改变的问题。 本发明的ARC还显着地减少或消除驻波效应和反射性切口。 因此,本发明的聚合物可以用于制造适合于制造64M,256M,1G,4G和16G DRAM半导体器件的稳定超细晶格。 此外,本发明的ARC显着提高了这种半导体器件的生产成本。