Method for transmitting ions and carrier gas between mutually facing curved electrodes

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United States of America Patent

PATENT NO 8859960
APP PUB NO 20140158904A1
SERIAL NO

14178137

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Abstract

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A method for transmitting ions entrained in a flowing carrier gas into and through a gap defined by a pair of mutually facing curved electrodes comprises: inputting the ions and flowing gas into the gap through an ion inlet orifice of a first one of the pair of electrodes, the ion inlet orifice comprising an orifice wall, an orifice inlet end and an orifice outlet end, the orifice wall being smoothly convexly curved between the inlet end and the outlet end, wherein a width of the gap and a flow rate of the carrier gas through the ion inlet orifice and gap are such that the gas flow is laminar within the ion inlet orifice and gap.

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Patent Owner(s)

  • THERMO FINNIGAN LLC

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Belford, Michael W Los Altos, US 17 145
Dunyach, Jean Jacques San Jose, US 15 203
Prasad, Satendra San Jose, US 11 37

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