Title:
セクタ型質量分析計
Document Type and Number:
Japanese Patent JP4068928
Kind Code:
B2
Abstract:
To provide a sector type mass spectrometer capable of precisely measuring the concentration of a desired constituent to be measured by skillfully correcting a sensitivity change.
The concentration of a reference constituent representing sensitivity is simultaneously monitored in addition to the concentration of a constituent to be measured, and a variation in sensitivity caused by background factors is corrected based on the monitoring result.
COPYRIGHT: (C)2004,JPO
Inventors:
Masayuki Adachi
Shigeru Nakatani
Shigeru Nakatani
Application Number:
JP2002271260A
Publication Date:
March 26, 2008
Filing Date:
September 18, 2002
Export Citation:
Assignee:
HORIBA, Ltd.
International Classes:
G01N27/62; H01J49/30
Domestic Patent References:
| JP6044944A | ||||
| JP11329341A | ||||
| JP6333531A | ||||
| JP63060497B2 | ||||
| JP47003047A | ||||
| JP62274544A | ||||
| JP63040849A |
Attorney, Agent or Firm:
Hideo Fujimoto