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    • 53. 发明申请
    • Method for manufacturing semiconductor device, semiconductor device, and laser irradiation apparatus
    • 半导体器件,半导体器件和激光照射设备的制造方法
    • US20070099440A1
    • 2007-05-03
    • US11637914
    • 2006-12-13
    • Shunpei YamazakiOsamu NakamuraHironobu Shoji
    • Shunpei YamazakiOsamu NakamuraHironobu Shoji
    • H01L21/00
    • H01L21/02686C30B1/023C30B1/08C30B29/06H01L21/02683H01L21/2026
    • [Object]It is an object of the present invention to provide a laser irradiation apparatus being able to crystallize the semiconductor film homogeneously while suppressing the variation of the crystallinity in the semiconductor film and the unevenness of the state of the surface thereof. It is another object of the present invention to provide a method for manufacturing a semiconductor device using the laser irradiation apparatus which can suppress the variation of on-current, mobility, and threshold of TFT, and to further provide a semiconductor device manufactured with the manufacturing method. [Solution]A method for manufacturing a semiconductor device comprising the steps of adding the first noble gas to the semiconductor film formed over the insulating surface with the ion doping method and irradiating the semiconductor film with the first noble gas added therein with the laser light in an atmosphere of second noble gas, wherein the magnetic field is applied to the semiconductor film with the first noble gas added when the laser light is irradiated.
    • 本发明的目的是提供一种激光照射装置,其能够在抑制半导体膜中的结晶性的变化和其表面状态的不均匀的同时,均匀地结晶半导体膜。 本发明的另一个目的是提供一种使用能够抑制TFT的导通电流,迁移率和阈值的变化的激光照射装置的半导体器件的制造方法,并且进一步提供利用制造制造的半导体器件 方法。 [解决方案]一种半导体器件的制造方法,其特征在于,包括以下步骤:通过离子掺杂法将形成在绝缘表面上的半导体膜添加第一稀有气体,并将其中添加有激光的第一稀土气体照射到半导体膜 第二惰性气体的气氛,其中当照射激光时,将第一稀有气体施加到半导体膜上。