Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Morio Ishihara0
Takaya Sato0
Michisato Toyoda0
Date of Patent
March 22, 2011
0Patent Application Number
123907100
Date Filed
February 23, 2009
0Patent Primary Examiner
Patent abstract
A method and apparatus for time-of-flight (TOF) mass spectrometry. The apparatus improves the ion focusing properties in an orthogonal direction and permits connection with an orthogonal-acceleration ion source for improvement of sensitivity. The apparatus comprises an ion source for emitting ions in a pulsed manner, an analyzer for realizing a helical trajectory, and a detector for detecting the ions. The analyzer is composed of plural laminated toroidal electric fields to realize the helical trajectory.
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