Mass spectrometer

Patent metadata

Field	Value
Publication number	US-11538676-B2
Application number	US-201917057201-A
Country	US
Kind code	B2
Filing date	May 31, 2019
Priority date	May 31, 2018
Publication date	Dec 27, 2022
Grant date	Dec 27, 2022

Abstract

A mass spectrometer is disclosed comprising an ion optics device housing having one or more external electrical connectors ( 1719 ) provided thereon. An ion optics device ( 301 ) is arranged inside the ion optics device housing, the ion optics device ( 301 ) comprising one or more electrodes for manipulating ions, the one or more electrodes being electrically connected to the one or more external electrical connectors ( 1719 ) provided on the ion optics device housing. A voltage supply housing ( 1717 ) is provided having one or more external electrical connectors provided thereon. One or more voltage supplies are arranged inside the voltage supply housing ( 1717 ), the one or more voltage supplies being in electrical communication with the one or more external electrical connectors provided on the voltage supply housing. The one or more external electrical connectors provided on the voltage supply housing are directly physically and electrically connected to the one or more external electrical connectors ( 1719 ) provided on the ion optics device housing.

First claim

The invention claimed is:

1. A mass spectrometer comprising:
an ion optics device housing having one or more external electrical connectors provided thereon, wherein the one or more external electrical connectors provided on the ion optics device housing are provided on one or more interface printed circuit boards (PCBs) provided on the ion optics device housing, and the one or more interface PCBs cover one or more apertures in the ion optics device housing that lead to one or more vacuum chambers in the ion optics device housing, such that the one or more interface PCBs form a part of a wall of the one or more vacuum chambers in the ion optics device housing;
an ion optics device arranged inside the ion optics device housing, the ion optics device comprising one or more electrodes for manipulating ions, the one or more electrodes being electrically connected to the one or more external electrical connectors provided on the ion optics device housing wherein the ion optics device further comprises first and second ion optics printed circuit boards (PCBs), wherein the one or more electrodes are provided between and mounted to the first and second ion optics PCBs;
a voltage supply housing having one or more external electrical connectors provided thereon on the outside of the voltage supply housing; and
one or more voltage supplies arranged inside the voltage supply housing, the one or more voltage supplies being in electrical communication with the one or more external electrical connectors provided on the outside of the voltage supply housing;
wherein the one or more external electrical connectors provided on the voltage supply housing are directly physically and electrically connected to the one or more external electrical connectors provided on the ion optics device housing.

2. A mass spectrometer as claimed in claim 1 , wherein the one or more external electrical connectors provided on the voltage supply housing are repeatedly removably connectable to the one or more external electrical connectors provided on the ion optics device housing.

3. A mass spectrometer as claimed in claim 1 , wherein one or more seals are provided between the ion optics device housing and the one or more interface PCBs.

4. A mass spectrometer as claimed in claim 3 , wherein the one or more seals are provided in one or more channels in the ion optics device housing and/or in the one or more interface PCBs.

5. A mass spectrometer as claimed in claim 1 , wherein the ion optics device comprises one or more ion guides and/or one or more ion transfer lenses.

6. A mass spectrometer as claimed in claim 1 , wherein the one or more electrodes are placed in electrical communication with one or more external electrical connectors provided on the ion optics device housing via one or more internal printed circuit boards (PCBs) arranged inside the ion optics device housing.

7. A mass spectrometer as claimed in claim 6 , wherein the one or more internal PCBs comprise one or more substantially rigid PCBs or PCB portions.

8. A mass spectrometer as claimed in claim 6 , wherein the one or more internal PCBs comprise one or more substantially flexible PCBs or PCB portions.

9. A mass spectrometer as claimed in claim 8 , wherein the one or more substantially flexible PCBs or PCB portions have a curved and/or stepped profile.

10. A mass spectrometer as claimed in claim 1 , wherein the one or more voltage supplies comprise one or more AC or RF and/or DC voltage supplies.

11. A mass spectrometer as claimed in claim 1 , wherein the one or more electrodes are directly mounted and/or soldered to the first and second ion optics PCBs.

12. A mass spectrometer as claimed in claim 1 , wherein the first and second ion optics PCBs are substantially parallel to each other.

13. A mass spectrometer as claimed in claim 1 , wherein the first and second ion optics PCBs comprise substantially rigid PCBs.

14. A mass spectrometer as claimed in claim 1 , wherein the first and second ion optics PCBs comprise one or more connectors for electrically connecting the one or more electrodes to the one or more voltage supplies.

15. A mass spectrometer as claimed in claim 1 , wherein the planes of the first and second ion optics PCBs are substantially orthogonal to one or more interface PCBs provided on a surface of the ion optics housing.

16. A method of assembling a mass spectrometer, the method comprising:
providing an ion optics device housing having one or more external electrical connectors provided thereon, wherein the one or more external electrical connectors provided on the ion optics device housing are provided on one or more interface printed circuit boards (PCBs) provided on the ion optics device housing, and the one or more interface PCBs cover one or more apertures in the ion optics device housing that lead to one or more vacuum chambers in the ion optics device housing, such that the one or more interface PCBs form a part of a wall of the one or more vacuum chambers in the ion optics device housing;
providing an ion optics device arranged inside the ion optics device housing, the ion optics device comprising one or more electrodes for manipulating ions, the one or more electrodes being electrically connected to the one or more external electrical connectors provided on the ion optics device housing wherein the ion optics device further comprises first and second ion optics printed circuit boards (PCBs), wherein the one or more electrodes are provided between and mounted to the first and second ion optics PCBs;
providing a voltage supply housing having one or more external electrical connectors provided thereon on the outside of the voltage supply housing; and
providing one or more voltage supplies arranged inside the voltage supply housing, the one or more voltage supplies being in electrical communication with the one or more external electrical connectors provided on the outside of the voltage supply housing;
wherein the one or more external electrical connectors provided on the voltage supply housing are directly physically and electrically connected to the one or more external electrical connectors provided on the ion optics device housing.

Assignees

• Micromass Ltd

Inventors

• Carney Peter
• Harrison James
• Hough Paul
• Worthington Kenneth R
• Mciver Paul
• Schofield Alistar

Classifications

• H01J49/065

  having stacked electrodes, e.g. ring stack, plate stack · CPC title

• H01J49/025

  Detectors specially adapted to particle spectrometers (data acquisition H01J49/0036; detectors per se G01T, e.g. G01T1/28, G01T1/29) · CPC title

• H01J49/02 Primary

  Details · CPC title

• H01J49/401

  characterised by orthogonal acceleration, e.g. focusing or selecting the ions, pusher electrode · CPC title

• H01J49/4295

  Storage methods · CPC title