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    • 8. 发明公开
    • VAPOR GROWTH DEVICE AND PORDUCTION METHOD FOR EPITAXIAL WAFER
    • DAMPFWACHSTUM-EINRICHTUNG UND HERSTELLUNGSVERFAHRENFÜREINEN EPITAXIALWAFER
    • EP1703549A4
    • 2009-09-02
    • EP04820494
    • 2004-11-18
    • SHINETSU HANDOTAI KK
    • YAMADA TORUYAGI SHINICHIRO
    • C23C16/24C30B25/14C23C16/44C23C16/455H01L21/205
    • C23C16/45587C30B25/14C30B29/06
    • A vapor growth device (1) which is constituted as a single-wafer type and has a gas introducing port (21) through which a material gas (G) is led into a reaction vessel (2). A dam member (23) is disposed around a susceptor (12), and the material gas (G) from the gas introducing port (21) hits the outer peripheral surface (23b) of the dam member (23) and rides on an upper surface (23a) side, and then is allowed to flow along the main surface of a silicon single-crystal substrate (W) placed on the susceptor (12). Guide plates (40R, 40L, 41R, 41L) for dividing the flow in the width direction (WL) of the material gas (G) are disposed on the upper surface (23a) of the dam member (23). Accordingly, a vapor growth device capable of controlling the flow route of material gas flowing on a silicon single-crystal substrate, and a production method for an epitaxial wafer using it are provided.
    • 本发明提供一种气相生长装置(1),其构成为单晶片型,具有将原料气体(G)导入反应容器(2)的气体导入口(21)。 在基座12的周围配置有阻挡部件23,来自气体导入口21的原料气体G碰到阻挡部件23的外周面23b, (23a)侧,然后沿着放置在基座(12)上的硅单晶衬底(W)的主表面流动。 用于在原料气体(G)的宽度方向(WL)上划分流动的导向板(40R,40L,41R,41L)设置在阻挡构件(23)的上表面(23a)上。 因此,提供了一种能够控制在硅单晶衬底上流动的材料气体的流动路径的气相生长装置以及使用它的外延晶片的生产方法。