会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 8. 发明申请
    • PLASMA UNIFORMITY CONTROL BY GAS DIFFUSER CURVATURE
    • 等离子体均匀控制气体扩散器曲线
    • WO2006017136A2
    • 2006-02-16
    • PCT/US2005/024165
    • 2005-07-07
    • APPLIED MATERIALS, INC.CHOI, Soo, YoungPARK, Beom, SooWHITE, John, M.TINER, Robin, L.
    • CHOI, Soo, YoungPARK, Beom, SooWHITE, John, M.TINER, Robin, L.
    • C23C16/455C23C16/509
    • C23C16/45565C23C16/455C23C16/5096
    • Embodiments of a gas distribution plate for distributing gas in a processing chamber are provided. In one embodiment, a gas distribution assembly for a plasma processing chamber comprises a diffuser plate with gas passages passing between its upstream and downstream sides and hollow cathode cavities at the downstream side of the gas passages. The downstream side of the diffuser plate has a curvature to improve the thickness uniformity and film property uniformity of thin films deposited by PECVD, particularly SiN and amorphous silicon films. The curvature is preferably described by an arc of a circle or ellipse, the apex thereof located at the center point of the diffuser plate. In one aspect, the hollow cathode cavity volume density, surface area density, or the cavity density of the diffuser increases from the center of the diffuser to the outer edge. Methods for manufacturing such a diffuser plate are also provided.
    • 提供了用于在处理室中分配气体的气体分配板的实施例。 在一个实施例中,用于等离子体处理室的气体分配组件包括具有在其上游侧和下游侧之间通过气体通道的扩散板,并且在气体通道的下游侧具有空心阴极腔。 扩散板的下游侧具有改善通过PECVD沉积的薄膜的厚度均匀性和膜特性均匀性的曲率,特别是SiN和非晶硅膜。 该曲率优选地由圆或椭圆的圆弧描述,其顶点位于扩散板的中心点。 在一个方面,空心阴极腔体积密度,表面积密度或扩散器的空腔密度从扩散器的中心增加到外边缘。 还提供了制造这种扩散板的方法。