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    • 7. 发明申请
    • FLUID CIRCULATING SYSTEM FOR MANUFACTURING PRINTED CIRCUIT BOARD
    • 用于制造印刷电路板的流体循环系统
    • US20090056624A1
    • 2009-03-05
    • US12045150
    • 2008-03-10
    • CHIH-KANG YANGHUNG-YI CHANGCHIH-LUNG HSIAOTUNG-YAO KUO
    • CHIH-KANG YANGHUNG-YI CHANGCHIH-LUNG HSIAOTUNG-YAO KUO
    • B05C3/04
    • G03F7/16
    • An exemplary fluid circulating system includes a return pipe, a reservoir, a suction pipe, a supply pipe, a circulating pump, and a processing device. The reservoir is configured for containing a work fluid. The processing device is configured for processing a semi-finished printed circuit board using the work fluid. The circulating pump is configured for transferring the work fluid from the reservoir to the processing device. The suction pipe and the supply pipe are respectively coupled to an inlet and the outlet of the circulating pump. An inner diameter of the suction pipe is larger than that of the supply pipe. The return pipe is coupled to the processing device for delivering the work fluid from the processing device to the reservoir. The fluid circulating system can improve quality of the circulated work fluid.
    • 示例性的流体循环系统包括回流管,储存器,吸入管,供给管,循环泵和处理装置。 储存器构造成容纳工作流体。 处理装置构造成用于使用工作流体处理半成品印刷电路板。 循环泵构造成用于将工作流体从储存器传送到处理装置。 吸入管和供给管分别连接到循环泵的入口和出口。 吸入管的内径大于供给管的内径。 返回管连接到处理装置,用于将工作流体从处理装置输送到储存器。 流体循环系统可以提高循环工作流体的质量。