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    • 7. 发明申请
    • METHOD OF PRODUCING THIN FILM TRANSISTOR AND THIN FILM TRANSISTOR
    • 生产薄膜晶体管和薄膜晶体管的方法
    • US20100301339A1
    • 2010-12-02
    • US12808397
    • 2008-12-12
    • Taro MorimuraToru KikuchiMasanori HashimotoShin AsariKazuya SaitoKyuzo Nakamura
    • Taro MorimuraToru KikuchiMasanori HashimotoShin AsariKazuya SaitoKyuzo Nakamura
    • H01L29/786H01L21/336
    • H01L21/02532H01L21/02422H01L21/02675H01L27/1285H01L29/66765
    • [Object] To provide a method of producing a thin film transistor superior in productivity and capable of preventing variation in transistor characteristics among devices from occurring to improve carrier mobility, and a thin film transistor.[Solving Means] In a method of producing a thin-film transistor according to the present invention, a solid-state green laser is irradiated onto a channel portion of an amorphous silicon film using a source electrode film and a drain electrode film as masks, thereby improving mobility. Since the channel portion of the amorphous silicon film is crystallized by the irradiation of the solid-state green laser, laser oscillation characteristics can be more stable than in a conventional method that uses an excimer laser. Further, laser irradiation onto a large-size substrate at uniform output characteristics in plane becomes possible, with the result that a variation in crystallinity of channel portions among devices can be avoided. Moreover, since a maintenance cycle of a laser oscillator becomes longer, a downtime cost of the apparatus can be reduced and productivity can be improved.
    • 本发明提供一种制造生产率优异且能够防止器件中的晶体管特性变化以提高载流子迁移率的薄膜晶体管的制造方法以及薄膜晶体管。 具体实施方式在本发明的薄膜晶体管的制造方法中,使用源电极膜和漏电极膜作为掩模将固态绿色激光照射到非晶硅膜的沟道部上, 从而改善流动性。 由于通过固体绿色激光的照射使非晶硅膜的通道部分结晶,与使用准分子激光的常规方法相比,激光振荡特性可以更稳定。 此外,可以在平面上具有均匀输出特性的大尺寸基板上的激光照射,结果是可以避免器件之间的沟道部分的结晶度的变化。 此外,由于激光振荡器的维护周期变长,所以能够降低设备的停机成本,提高生产率。
    • 8. 发明授权
    • Method of producing thin film transistor and thin film transistor
    • 薄膜晶体管和薄膜晶体管的制造方法
    • US08673705B2
    • 2014-03-18
    • US12808397
    • 2008-12-12
    • Taro MorimuraToru KikuchiMasanori HashimotoShin AsariKazuya SaitoKyuzo Nakamura
    • Taro MorimuraToru KikuchiMasanori HashimotoShin AsariKazuya SaitoKyuzo Nakamura
    • H01L21/84
    • H01L21/02532H01L21/02422H01L21/02675H01L27/1285H01L29/66765
    • [Object] To provide a method of producing a thin film transistor superior in productivity and capable of preventing variation in transistor characteristics among devices from occurring to improve carrier mobility, and a thin film transistor.[Solving Means] In a method of producing a thin-film transistor according to the present invention, a solid-state green laser is irradiated onto a channel portion of an amorphous silicon film using a source electrode film and a drain electrode film as masks, thereby improving mobility. Since the channel portion of the amorphous silicon film is crystallized by the irradiation of the solid-state green laser, laser oscillation characteristics can be more stable than in a conventional method that uses an excimer laser. Further, laser irradiation onto a large-size substrate at uniform output characteristics in plane becomes possible, with the result that a variation in crystallinity of channel portions among devices can be avoided. Moreover, since a maintenance cycle of a laser oscillator becomes longer, a downtime cost of the apparatus can be reduced and productivity can be improved.
    • 本发明提供一种制造生产率优异且能够防止器件中的晶体管特性变化以提高载流子迁移率的薄膜晶体管的制造方法以及薄膜晶体管。 具体实施方式在本发明的薄膜晶体管的制造方法中,使用源电极膜和漏电极膜作为掩模将固态绿色激光照射到非晶硅膜的沟道部上, 从而改善流动性。 由于通过固体绿色激光的照射使非晶硅膜的通道部分结晶,与使用准分子激光的常规方法相比,激光振荡特性可以更稳定。 此外,可以在平面上具有均匀输出特性的大尺寸基板上的激光照射,结果是可以避免器件之间的沟道部分的结晶度的变化。 此外,由于激光振荡器的维护周期变长,所以能够降低设备的停机成本,提高生产率。