Device for controlling exposure of reservoir contents to surroundings
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United States of America Patent
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Sep 13, 2011
Grant Date -
Apr 30, 2009
app pub date -
Jan 5, 2009
filing date -
Aug 18, 1999
priority date (Note) -
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Abstract
Microchip devices are provided that include a substrate; a plurality of reservoirs in the substrate, each reservoir defining an internal volume; and a reservoir cap positioned on or in each of the reservoirs bounding the internal volume from an external environment, the reservoir cap being formed of a material that undergoes a phase change upon heating, wherein the internal volume can communicate with the external environment upon heating said reservoir cap to cause said reservoir cap to undergo a phase change and rupture.
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