Asymmetric induction devices and systems and methods using them
AssigneePerkinElmer Health Sciences, Inc.
InventorPeter J Morrisroe
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Abstract
Certain embodiments described herein are directed to devices, systems and methods that comprise asymmetric induction devices. In some instances, the device can include a plurality of plate electrodes which can be spaced asymmetrically or a plurality of coils which can be spaced asymmetrically.
Claims20
A device for generating a plasma in a torch body with a longitudinal axis along which a flow of gas is introduced during operation of the torch body, the device comprising a plurality of induction coils comprising at least three coils coupled to each other and forming an aperture configured to receive a portion of the torch body, in which the at least three coils comprise a first coil coupled to a second coil and a third coil coupled to the second coil to provide an induction coil winding configured to receive the torch body in the formed aperture, wherein longitudinal spacing along a longitudinal direction substantially parallel to the longitudinal axis of the torch body between at least two of the first coil, the second coil and the third coil is asymmetric in the longitudinal direction.
Dependencies are inferred from the claim text.