Invention Grant
- Patent Title: Quadrupole devices
-
Application No.: US16970220Application Date: 2019-02-15
-
Publication No.: US11282693B2Publication Date: 2022-03-22
- Inventor: Martin Raymond Green , David Gordon , David Langridge
- Applicant: Micromass UK Limited
- Applicant Address: GB Wilmslow
- Assignee: Micromass UK Limited
- Current Assignee: Micromass UK Limited
- Current Assignee Address: GB Wilmslow
- Agency: Kacvinsky Daisak Bluni PLLC
- Priority: GB1802589 20180216,GB1802601 20180216
- International Application: PCT/GB2019/050405 WO 20190215
- International Announcement: WO2019/158931 WO 20190822
- Main IPC: H01J49/42
- IPC: H01J49/42 ; H01J49/00
Abstract:
A method of operating a quadrupole device is disclosed. The method comprises applying a main drive voltage to the quadrupole device and applying three or more auxiliary drive voltages to the quadrupole device. The three or more auxiliary drive voltages correspond to two or more pairs of X-band or Y-band auxiliary drive voltages.
Public/Granted literature
- US20210082679A1 QUADRUPOLE DEVICES Public/Granted day:2021-03-18
Information query
