US 11,705,318 B2
Impact ionisation spray or electrospray ionisation ion source
Stevan Bajic, Sale (GB)
Assigned to Micromass UK Limited, Wilmslow (GB)
Appl. No. 17/55,756
Filed by Micromass UK Limited, Wilmslow (GB)
PCT Filed May 15, 2019, PCT No. PCT/EP2019/062485
§ 371(c)(1), (2) Date Nov. 16, 2020,
PCT Pub. No. WO2019/219748, PCT Pub. Date Nov. 21, 2019.
Claims priority of application No. 1807914 (GB), filed on May 16, 2018.
Prior Publication US 2021/0210320 A1, Jul. 8, 2021
Int. Cl. H01J 49/16 (2006.01); H01J 49/04 (2006.01); G01N 27/622 (2021.01); G01N 30/72 (2006.01); H01J 49/14 (2006.01)
CPC H01J 49/045 (2013.01) [G01N 27/622 (2013.01); G01N 30/7266 (2013.01); H01J 49/14 (2013.01); H01J 49/167 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An impactor spray or electrospray ionisation ion source comprising:
a nebuliser having a first conduit for providing a liquid sample and a second conduit for providing a nebulisation gas in order to nebulise the liquid sample, wherein the first conduit and second conduit are of unitary construction with each other, and wherein the outlet of the second conduit surrounds or circumferentially encloses a single first conduit; and
one or more ring electrodes for providing charge to the sample and/or for removing charge from the nebuliser, wherein the one or more ring electrodes are provided around the second conduit and surround a single second conduit.