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    • 45. 发明专利
    • Lithography method
    • LITHOGRAPHY方法
    • JP2008193076A
    • 2008-08-21
    • JP2008015219
    • 2008-01-25
    • Asml Netherlands Bvエーエスエムエル ネザーランズ ビー.ブイ.
    • VAN HAREN RICHARD JOHANNES FRANCISCUSVREUGDENHIL EWOUD
    • H01L21/027
    • G03F7/405G03F7/0757G03F7/091G03F7/11
    • PROBLEM TO BE SOLVED: To provide a method which is capable of achieving a pattern with improved resolution without use of wavelength shorter than 193 nm.
      SOLUTION: A method for providing a pattern on a substrate 2 forms a photoresist 6 layer on the substrate and forms a top-coating layer on the photoresist layer, which is exposed with lithography, and then a photoresist is developed to form a structure. The structure is covered with a coating layer, and chemical reaction which never takes place on a top-coating is triggered between the photoresist and the coating layer, which forms a region of a modified coating layer 18. Subsequently, the modified coating layer is eliminated, thereby leaving a patterned structure which is formed of a region of the modified coating layer.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种能够在不使用短于193nm的波长的情况下实现具有改进的分辨率的图案的方法。 解决方案:用于在衬底2上提供图案的方法在衬底上形成光致抗蚀剂6层,并在光刻胶层上形成顶涂层,该光刻胶层通过光刻曝光,然后将光致抗蚀剂显影形成 结构体。 该结构被覆层覆盖,并且在光致抗蚀剂和涂层之间触发在顶涂层上不会发生的化学反应,其形成改性涂层18的区域。随后,消除改性涂层 从而留下由改性涂层的区域形成的图案化结构。 版权所有(C)2008,JPO&INPIT
    • 47. 发明专利
    • Manufacturing method for flash memory device
    • 闪存存储器件的制造方法
    • JP2008066713A
    • 2008-03-21
    • JP2007186802
    • 2007-07-18
    • Hynix Semiconductor Inc株式会社ハイニックスセミコンダクターHynix Semiconductor Inc.
    • SIM GUEE HWANGJUNG WOO YUNG
    • H01L21/28H01L21/768H01L21/8247H01L27/10H01L27/115
    • H01L21/0273G03F7/405H01L21/0338H01L21/31144H01L27/11517
    • PROBLEM TO BE SOLVED: To provide a manufacturing method for a flash memory device that makes a contact plug rectangular for electrically connecting wiring and a semiconductor substrate, and improves an electric property of the contact plug.
      SOLUTION: An interlayer insulating film 102, first and second hard mask films 104 and 106, and a first photo-resist pattern 108 are formed on a semiconductor substrate 100 sequentially. A peripheral region of a first photo-resist pattern is changed to a silicon-containing layer 110. An upper region of the silicon-containing layer is removed by etching, and an unchanged photo-resist is also removed at the same time to form a silicon-containing layer pattern that is small in terms of a size and a pitch. A second hard mask film pattern is formed by etching to which a second photo-resist pattern is formed whose region is partially made open. By etching, a rectangular first hard mask film pattern is formed which is used as a mask to etch the interlayer insulating film to form a rectangular contact hole.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 解决问题的方案为了提供使接线插头为矩形的电气连接布线和半导体基板的闪速存储装置的制造方法,并提高了接触插头的电性能。 解决方案:顺序地在半导体衬底100上形成层间绝缘膜102,第一和第二硬掩模膜104和106以及第一光刻胶图案108。 将第一光致抗蚀剂图案的外围区域改变为含硅层110.通过蚀刻除去含硅层的上部区域,并且同时除去不变的光致抗蚀剂以形成 在尺寸和间距方面小的含硅层图案。 通过蚀刻形成第二硬掩模膜图案,在其上形成其区域部分打开的第二光致抗蚀剂图案。 通过蚀刻,形成矩形的第一硬掩模膜图案,其用作掩模以蚀刻层间绝缘膜以形成矩形接触孔。 版权所有(C)2008,JPO&INPIT