Title:
QUADRUPOLE MASS FILTER FOR MASS SPECTROMETER AND QUADRUPOLE MASS SPECTROMETER INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2017/039133
Kind Code:
A1
Abstract:
The present invention relates to a quadrupole mass filter for a quadrupole mass spectrometer, the quadrupole mass filter comprising four electrodes and an insulator holder for fixing the four electrodes. In the quadrupole mass filter according to the present invention, a portion of the inner surface of the insulator holder, which comes in contact with each electrode, is formed as a flat surface, and a portion of each of the four electrodes, which comes in contact with the insulator holder, is formed as a flat surface. Therefore, the present invention can provide a quadrupole mass spectrometer that is excellent in the parallelism, straightness, and assembly accuracy of a quadrupole.
Inventors:
PARK CHANG JOON (KR)
AHN SANG JUNG (KR)
YOON SAE WON (KR)
AHN SANG JUNG (KR)
YOON SAE WON (KR)
Application Number:
PCT/KR2016/007013
Publication Date:
March 09, 2017
Filing Date:
June 30, 2016
Export Citation:
Assignee:
KOREA RES INST STANDARDS & SCI (KR)
International Classes:
H01J49/42; G01N27/62
Foreign References:
| JPH1186781A | 1999-03-30 | |||
| KR20090066070A | 2009-06-23 | |||
| JP2006332003A | 2006-12-07 | |||
| JPH10223174A | 1998-08-21 | |||
| KR20140075403A | 2014-06-19 |
Attorney, Agent or Firm:
GHONG-GAN INTERNATIONAL PATENT LAW FIRM (KR)
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