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    • 5. 发明授权
    • Methods of forming an amorphous silicon thin film
    • 形成非晶硅薄膜的方法
    • US08076242B2
    • 2011-12-13
    • US12433629
    • 2009-04-30
    • Jong Su KimHyung Sang ParkYong Min YooHak Yong KwonTae Ho Yoon
    • Jong Su KimHyung Sang ParkYong Min YooHak Yong KwonTae Ho Yoon
    • H01L21/44
    • H01L21/02592H01L21/02532H01L21/0262
    • A method for forming an amorphous silicon thin film is disclosed. In some embodiments, a method includes loading a substrate into a reaction chamber; and conducting a plurality of deposition cycles on the substrate. Each of at least two of the cycles includes: supplying a silicon precursor to the reaction chamber during a first time period; applying radio frequency power to the reaction chamber at least partly during the first time period; stopping supplying of the silicon precursor and applying of the radio frequency power during a second time period between the first time period and an immediately subsequent deposition cycle; and supplying hydrogen plasma to the reaction chamber during a third time period between the second time period and the immediately subsequent deposition cycle. The method allows formation of an amorphous silicon film having an excellent step-coverage and a low roughness at a relatively low deposition temperature.
    • 公开了一种形成非晶硅薄膜的方法。 在一些实施例中,一种方法包括将基底装载到反应室中; 以及在所述衬底上进行多个沉积循环。 至少两个循环中的每一个包括:在第一时间段内将硅前体供应到反应室; 至少部分地在第一时间段内向反应室施加射频功率; 在第一时间段和紧随其后的沉积循环之间的第二时间段期间,停止供应硅前体和施加射频功率; 以及在第二时间段和紧随其后的沉积循环之间的第三时间段期间向反应室供应氢等离子体。 该方法允许在相对低的沉积温度下形成具有优异的阶梯覆盖和低粗糙度的非晶硅膜。
    • 9. 发明申请
    • METHODS OF FORMING AN AMORPHOUS SILICON THIN FILM
    • 形成非晶硅薄膜的方法
    • US20090278224A1
    • 2009-11-12
    • US12433629
    • 2009-04-30
    • Jong Su KimHyung Sang ParkYong Min YooHak Yong KwonTae Ho Yoon
    • Jong Su KimHyung Sang ParkYong Min YooHak Yong KwonTae Ho Yoon
    • H01L29/06H01L21/314H01L21/316
    • H01L21/02592H01L21/02532H01L21/0262
    • A method for forming an amorphous silicon thin film is disclosed. In some embodiments, a method includes loading a substrate into a reaction chamber; and conducting a plurality of deposition cycles on the substrate. Each of at least two of the cycles includes: supplying a silicon precursor to the reaction chamber during a first time period; applying radio frequency power to the reaction chamber at least partly during the first time period; stopping supplying of the silicon precursor and applying of the radio frequency power during a second time period between the first time period and an immediately subsequent deposition cycle; and supplying hydrogen plasma to the reaction chamber during a third time period between the second time period and the immediately subsequent deposition cycle. The method allows formation of an amorphous silicon film having an excellent step-coverage and a low roughness at a relatively low deposition temperature.
    • 公开了一种形成非晶硅薄膜的方法。 在一些实施例中,一种方法包括将基底装载到反应室中; 以及在所述衬底上进行多个沉积循环。 至少两个循环中的每一个包括:在第一时间段内将硅前体供应到反应室; 至少部分地在第一时间段内向反应室施加射频功率; 在第一时间段和紧随其后的沉积循环之间的第二时间段期间,停止供应硅前体和施加射频功率; 以及在第二时间段和紧随其后的沉积循环之间的第三时间段期间向反应室供应氢等离子体。 该方法允许在相对低的沉积温度下形成具有优异的阶梯覆盖和低粗糙度的非晶硅膜。