Microminiature gas chromatograph column
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United States of America Patent
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Issued Date -
Jul 6, 2006
app pub date -
Dec 31, 2002
filing date -
Dec 5, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
This invention relates to the field of miniaturing gas chromatograph instruments using microfabrication technologies. In particular, the invention provides a gas chromatograph column, which column comprises at least two lid layers and a channel layer, wherein each of said layers comprises a compact material suitable for gas chromatograph, said channel layer comprises microfabricated channels on both sides, said microfabricated channels and a side of said lid layers form at least two capillaries, said at least two capillaries are connected to each other through a hole in said channel layer to form an integrated capillary, said integrated capillary is connected to outside atmosphere on both ends via holes on two outmost lid layers to serve as an inlet and an outlet.
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