Semiconductor device and method for manufacturing the same
    61.
    发明授权
    Semiconductor device and method for manufacturing the same 有权
    半导体装置及其制造方法

    公开(公告)号:US07718547B2

    公开(公告)日:2010-05-18

    申请号:US12334589

    申请日:2008-12-15

    IPC分类号: H01L21/31

    摘要: A manufacturing method of a semiconductor device of the present invention includes the steps of forming a first insulating film over a substrate, forming a semiconductor film over the first insulating film, oxidizing or nitriding the semiconductor film by conducting a plasma treatment to the semiconductor film under a condition of an electron density of 1×1011 cm−3 or more and 1×1013 cm−3 or less and an electron temperature of 0.5 eV or more and 1.5 eV or less, using a high frequency wave, forming a second insulating film to cover the semiconductor film, forming a gate electrode over the second insulating film, forming a third insulating film to cover the gate electrode, and forming a conductive film over the third insulating film.

    摘要翻译: 本发明的半导体器件的制造方法包括以下步骤:在衬底上形成第一绝缘膜,在第一绝缘膜上形成半导体膜,通过对半导体膜进行等离子体处理来对半导体膜进行氧化或氮化 使用高频波,电子密度为1×10 11 cm -3以上且1×10 13 cm -3以下且电子温度为0.5eV以上1.5eV以下的条件,形成第2绝缘膜 覆盖半导体膜,在第二绝缘膜上形成栅电极,形成第三绝缘膜以覆盖栅电极,并在第三绝缘膜上形成导电膜。

    Method for manufacturing semiconductor device
    62.
    发明授权
    Method for manufacturing semiconductor device 有权
    制造半导体器件的方法

    公开(公告)号:US07635883B2

    公开(公告)日:2009-12-22

    申请号:US11514973

    申请日:2006-09-05

    IPC分类号: H01L31/062

    摘要: A method for manufacturing a semiconductor device having steps of forming an amorphous semiconductor on a substrate having an insulating surface; patterning the amorphous semiconductor to form plural first island-like semiconductors; irradiating a linearly condensed laser beam on the plural first island-like semiconductors while relatively scanning the substrate, thus crystallizing the plural first island-like semiconductors; patterning the plural first island-like semiconductors that have been crystallized to form plural second island-like semiconductors; forming plural transistors using the plural second island-like semiconductors; and forming a unit circuit using a predetermined number of the transistors, where the second island-like semiconductors used for the predetermined number of the transistors are formed from the first island-like semiconductors that are different from each other.

    摘要翻译: 一种制造半导体器件的方法,具有在具有绝缘表面的衬底上形成非晶半导体的步骤; 图案化非晶半导体以形成多个第一岛状半导体; 在相对扫描基板的同时,在多个第一岛状半导体上照射线性聚集的激光束,从而使多个第一岛状半导体结晶; 图案化已经结晶以形成多个第二岛状半导体的多个第一岛状半导体; 使用多个第二岛状半导体形成多个晶体管; 并且使用预定数量的晶体管形成单位电路,其中用于预定数量的晶体管的第二岛状半导体由彼此不同的第一岛状半导体形成。

    Method of manufacturing
    64.
    发明授权
    Method of manufacturing 有权
    制造方法

    公开(公告)号:US07226817B2

    公开(公告)日:2007-06-05

    申请号:US10330015

    申请日:2002-12-27

    IPC分类号: H01L21/00

    摘要: A method of efficiently forming a circuit using a thin film transistor with a semiconductor layer in which preferable crystallinity is obtained is provided. A location on which stress concentrates according to crystallization of a semiconductor layer formed on a substrate having unevenness corresponds to the edges and their vicinities of the unevenness provided on the substrate, that is, the boundary between a concave portion and a convex portion and its vicinities. Thus, the location in which stress concentration is caused can be specified and controlled according to the shape of a slit-shaped base layer. In addition, an island-like semiconductor layer (1305) which becomes the active layer of a TFT is formed on the concave portion or the convex portion of the substrate having the unevenness. At this time, at least a portion which becomes the channel formation region of the TFT is formed without crossing the boundary between the concave portion and the convex portion. Such TFTs are used in parallel to construct a TFT having a large channel width so that fluctuation in electrical characteristics is averaged.

    摘要翻译: 提供一种利用具有优选结晶度的半导体层的薄膜晶体管有效地形成电路的方法。 根据形成在具有凹凸的基板上的半导体层的结晶应力集中的位置对应于设置在基板上的凹凸的边缘及其附近,即凹部与凸部之间的边界及其附近 。 因此,可以根据狭缝状基层的形状来规定和控制应力集中的位置。 此外,在具有凹凸的基板的凹部或凸部上形成成为TFT的有源层的岛状半导体层(1305)。 此时,成为TFT的沟道形成区域的至少一部分形成为不与凹部和凸部之间的边界交叉。 并联使用这样的TFT构成具有较大沟道宽度的TFT,使得电特性的波动平均化。

    Semiconductor device and manufacturing method therefor

    公开(公告)号:US20050205869A1

    公开(公告)日:2005-09-22

    申请号:US11107822

    申请日:2005-04-18

    摘要: To provide devices relating to a manufacturing method for a semiconductor device using a laser crystallization method, which is capable of reducing a cost involved in a design change, preventing a grain boundary from developing in a channel formation region of a TFT, and preventing a remarkable reduction in mobility of the TFT, a decrease in an ON current, and an increase in an OFF current due to the grain boundary and to a semiconductor device formed by using the manufacturing method. In a semiconductor device according to the present invention, among a plurality of TFTs formed on a base film, some TFTs are electrically connected to form logic elements. The plurality of logic elements are used to form a circuit. The base film has a plurality of projective portions having a rectangular or stripe shape. Island-like semiconductor films included in each of the plurality of TFTs are formed between the plurality of projective portions and also, are crystallized by a laser light scanned in a longitudinal direction of the projective portions.