Microfluidics structure and method
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United States of America Patent
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Issued Date -
Nov 23, 2006
app pub date -
Apr 10, 2006
filing date -
Apr 11, 2005
priority date (Note) -
Abandoned
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Abstract
A liquid-filled microfluidics assembly and method of forming the same are disclosed. The assembly includes a non-metallic substrate having a liquid-filled microfluidics structure that includes a microchannel and a chamber in fluid communication therewith, and a metal tube embedded in the substrate, communicating with the chamber and sealed by crimping at a region along its length, thus to seal the structure adjacent the chamber. In forming the assembly, a polymer substrate having a microfluidics structure including a microchannel and a chamber in fluid communication therewith is molded around a metal tube communicating the chamber with a port at which liquid can be drawn or pumped into the structure. The structure is filled by drawing or pumping liquid into the structure through the port, and liquid in the structure, adjacent the chamber, is sealed by crimping the tube.
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