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    • 52. 发明公开
    • Resist composition, method for forming resist pattern, and semiconductor device and method for manufacturing the same
    • 抗蚀剂组合物,形成抗蚀剂图案,半导体器件及其制造方法的方法
    • EP1837706A1
    • 2007-09-26
    • EP06013346.9
    • 2006-06-28
    • FUJITSU LIMITED
    • Nozaki, Koji c/o Fujitsu LimitedKozawa, Miwa c/o Fujitsu Limited
    • G03F7/40H01L21/027
    • H01L21/0273G03F7/40H01L21/0338H01L21/31144H01L21/32139Y10S430/106Y10S430/114
    • The present invention provides a resist composition which enables uniformly thickening a resist pattern with a resist pattern thickening material, regardless of the direction, spacing variations of the resist pattern, and the components of the resist pattern thickening material and enables forming a fine space pattern of resist, exceeding exposure limits of light sources of exposure devices at low cost, easily, and efficiently. The resist composition contains an alicyclic compound (melting point: 90°C to 150°C), and a resin. The method for manufacturing a semiconductor device includes forming a resist pattern on a surface of a workpiece to be processed by using a resist composition and applying a resist pattern thickening material on the surface of the workpiece so as to cover the surface of the resist pattern to thicken the resist pattern; and patterning the surface of the workpiece by etching thereof using the thickened resist pattern as a mask.
    • 本发明提供一种抗蚀剂组合物使一致增厚的抗蚀剂用的抗蚀剂图案增厚材料图案,不管方向如何,间隔抗蚀剂图案的变型中,与抗蚀剂图案增厚材料的成分和能形成的精细的空间图案 抗蚀剂,超出曝光设备的光源的曝光极限以低成本,容易地和有效地。 该抗蚀剂组合物包含脂环化合物(熔点:90℃至150℃),和树脂。 用于制造半导体器件的方法包括形成一个工件的表面上形成抗蚀剂图案,通过使用抗蚀剂组合物和涂覆抗蚀剂图案增厚材料的工件的表面上进行加工,以覆盖抗蚀剂图案的所述表面 增厚抗蚀剂图案; 和通过蚀刻其使用增厚的抗蚀剂图案作为掩模图案化所述工件的表面上。
    • 54. 发明公开
    • Pattern forming method
    • Strukturbildungsverfahren
    • EP1811338A2
    • 2007-07-25
    • EP07001324.8
    • 2007-01-22
    • Fujifilm Corporation
    • Kanna, ShinichiInabe, HarukiKanda, Hiromi
    • G03F7/004G03F7/039G03F7/075G03F7/20
    • G03F7/0758G03F7/0046G03F7/0397G03F7/2041Y10S430/106Y10S430/111
    • A pattern forming method which uses a positive resist composition comprises: (A) a silicon-free resin capable of increasing its solubility in an alkaline developer under action of an acid; (B) a compound capable of generating an acid upon irradiation with an actinic ray or radiation; (C) a silicon-containing resin having at least one group selected from the group of consisting (X) an alkali-soluble group, (XI) a group capable of decomposing under action of an alkaline developer and increasing solubility of the resin (C) in an alkaline developer, and (XII) a group capable of decomposing under action of an acid and increasing solubility of the resin (C) in an alkaline developer, and (D) a solvent, the method comprising: (i) a step of applying the positive resist composition to a substrate to form a resist coating, (ii) a step of exposing the resist coating to light via an immersion liquid, (iii) a step of removing the immersion liquid remaining on the resist coating, (iv) a step of heating the resist coating, and (v) a step of developing the resist coating.
    • 使用正型抗蚀剂组合物的图案形成方法包括:(A)能够在酸的作用下增加其在碱性显影剂中的溶解度的无硅树脂; (B)能够在用光化射线或辐射照射时能产生酸的化合物; (C)具有选自(X)碱溶性基团(XI)中的至少一种基团的含硅树脂,(XI)能够在碱性显影剂的作用下分解的基团和树脂的溶解度增加(C )和(XII)能够在酸的作用下分解并增加树脂(C)在碱性显影剂中的溶解度的基团,和(D)溶剂,所述方法包括:(i)步骤 将正性抗蚀剂组合物施加到基材上以形成抗蚀剂涂层,(ii)通过浸没液体将抗蚀剂涂层曝光到光的步骤,(iii)去除残留在抗蚀剂涂层上的浸渍液体的步骤,(iv )加热抗蚀剂涂层的步骤,和(v)显影抗蚀涂层的步骤。