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    • 9. 发明申请
    • VAPOR CHAMBER
    • 蒸气室
    • US20090294104A1
    • 2009-12-03
    • US12128127
    • 2008-05-28
    • Kuo-Len LINWen-Jung LiuChen-Hsiang LinChih-Hung ChengJu-Tsu Huang
    • Kuo-Len LINWen-Jung LiuChen-Hsiang LinChih-Hung ChengJu-Tsu Huang
    • F28D15/00
    • F28D15/0233F28D15/046F28D2021/0029H01L23/427H01L2924/0002H01L2924/00
    • A vapor chamber includes a plate and a wick structure. The plate is provided therein with a working fluid, and the plate has a heated end and a condensed end. The wick structure comprises a first wick portion adhered to be opposite to the heated end, a second wick portion overlapping on the first wick portion, and a third wick portion adhered on the rest portion of a chamber. The aperture diameter of the first wick portion is larger than that of the second wick portion, or the aperture density of the first wick portion is smaller than that of the second wick portion. Therefore, the amount of working fluid attached to the second wick portion is smaller than of the first wick portion. As a result, after heated, the working fluid attached to the second wick portion will be vaporized more quickly, thereby increasing the efficiency of heat transfer and improving the heat-dissipating effect.
    • 蒸气室包括板和芯结构。 板中设置有工作流体,并且板具有加热端和冷凝端。 芯结构包括粘附到加热端的第一芯部,与第一芯部重叠的第二芯部,以及粘附在室的其余部分上的第三芯部。 第一灯芯部分的孔径大于第二灯芯部分的孔径直径,或者第一灯芯部分的孔径密度小于第二灯芯部分的开口密度。 因此,附着到第二芯部的工作流体的量比第一芯体部分小。 结果,加热后,附着于第二芯部的工作流体将更快地汽化,从而提高传热效率并提高散热效果。