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A low-mass high-speed µGC separation column with built-in fluidic chip-to-chip interconnects

A low-mass high-speed µGC separation column with built-in fluidic chip-to-chip interconnects,10.1109/MEMSYS.2011.5734549,K. T. M. Beach,S. M. Reidy,R.

A low-mass high-speed µGC separation column with built-in fluidic chip-to-chip interconnects  
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This paper reports a low-mass high-speed separation column with built in fluidic chip-to-chip interconnects for a micro gas chromatograph. The 25cm-long suspended column has been successfully coated, and separations have been obtained. The column can be heated to 100°C with 200mW in air and only 80mW in vacuum. The corres- ponding thermal time constants are 1.2sec and 2.5sec, respectively. Built-in heated interconnects eliminate cold- spots from long and difficult to heat capillary tubes, and plug directly into the preconcentrator and chemi-resistive detector chips, miniaturizing the fluidic analysis path to a size compatible with eventual use in devices such as cellular phones.
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