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    • 6. 发明授权
    • Chemical vapor deposition wafer boat
    • 化学气相沉积晶圆舟
    • US4641604A
    • 1987-02-10
    • US804954
    • 1985-12-05
    • Arthur J. LearnDale R. DuBois
    • Arthur J. LearnDale R. DuBois
    • C23C16/44C23C16/455B05C13/02
    • C23C16/45559C23C16/455C23C16/45591
    • A chemical vapor deposition wafer boat for supporting a plurality of wafers in an evenly spaced, upright orientation perpendicular to the axis of the boat comprises a cylinder having closed ends and comprised of mutually engaging upper and lower hemicylinders. The upper hemicylinder has diffusion zones with gas flow passageways therein in the ends and zones within from 0 to 75 and within from 0 to 15 degrees from a vertical plane through the cylinder axis. The remainder of the hemicylinder wall and the ends are baffle areas without gas flow passageways. The ends and sidewall of the lower hemicylinder comprise gas diffusion zones. The gas flow passageways comprise from 0.5 to 80 percent of the surface area of the respective gas diffusion zones.
    • 用于以垂直于船的轴线的均匀间隔的垂直取向支撑多个晶片的化学气相沉积晶片舟皿包括具有封闭端并由相互接合的上下半筒组成的圆柱体。 上半圆柱体具有扩散区,其中在其中的气流通道在其内部,并且从垂直平面通过气缸轴线的0至75°和0至15度内的区域。 剩余的双缸壁和端部是没有气体流动通道的挡板区域。 下半圆柱体的端部和侧壁包括气体扩散区域。 气体流动通道占相应气体扩散区域的表面积的0.5%至80%。