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    • 5. 发明公开
    • 박막트랜지스터, 그의 제조방법 및 이를 포함하는평판표시장치
    • 薄膜晶体管及其制造方法以及包括其的平板显示装置
    • KR1020080065446A
    • 2008-07-14
    • KR1020070002594
    • 2007-01-09
    • 삼성에스디아이 주식회사
    • 최종현
    • H01L29/786
    • H01L29/78675H01L27/1214H01L29/66757H01L29/78621H01L2029/7863
    • A thin film transistor is provided to decrease the number of masks and embody simplification of a process by forming a source/drain region and a high-resistance region by one doping process. A semiconductor layer(220) is positioned on a substrate(200), including a source/drain region(221), a high-resistance region(222) having a smaller size than that of the source/drain region, a channel region(224), and a connection region(223) between the high-resistance region and the channel region. A gate insulation layer(230) is positioned on the semiconductor layer. A gate electrode(240) is positioned on the gate insulation layer, corresponding to the channel region. An interlayer dielectric(250) is positioned on the gate electrode. A source/drain electrode is positioned on the interlayer dielectric, electrically connected to the source/drain region. The high-resistance region can be of a quadrangular or zigzag shape. One or more surfaces of the connection region can have a taper angle.
    • 提供薄膜晶体管以减少掩模的数量并且通过通过一个掺杂工艺形成源极/漏极区域和高电阻区域来体现工艺的简化。 半导体层(220)位于衬底(200)上,包括源极/漏极区(221),具有比源极/漏极区的尺寸更小的高电阻区(222),沟道区( 224)以及高电阻区域和沟道区域之间的连接区域(223)。 栅极绝缘层(230)位于半导体层上。 栅极电极(240)位于栅极绝缘层上,对应于沟道区域。 层间电介质(250)位于栅电极上。 源/漏电极位于层间电介质上,电连接到源/漏区。 高电阻区域可以是四边形或锯齿形。 连接区域的一个或多个表面可以具有锥角。