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Micro fluidic device for controlling flow time of micro fluid

  • US 6,901,963 B2
  • Filed: 12/08/2003
  • Issued: 06/07/2005
  • Est. Priority Date: 05/22/2003
  • Status: Active Grant
First Claim
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1. A micro fluidic device capable of controlling a flow time of micro fluid by using a capillary phenomenon, comprising:

  • a flow channel for flowing fluid, the flow channel being formed between a top substrate and a bottom substrate or between a top substrate, a bottom substrate, and a middle substrate;

    a flow blocking surface for stopping a flow of the fluid in the flow channel temporarily; and

    a hump for delaying the flow formed in the line of continuity with the flow blocking surface.

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