G - Physics – 01 – N
Patent
G - Physics
01
N
358/9
G01N 27/62 (2006.01) H01J 49/04 (2006.01) H01J 49/16 (2006.01)
Patent
CA 2025991
ABSTRACT OF THE DISCLOSURE The present invention relates to a method and apparatus for mass spectrometric analysis. The power density of a pulsed laser beam for irradiating a sample is adjusted to break down the sample into the form of a plasma. After the momentary breakdown of the sample into the form of a plasma, ions are generated having a high charge. After a certain time elapses, the ions having a high charge recombine with the electrons in the plasma to provide monovalent or low valent ions. These low valent ions are taken out of the plasma and introduced to a mass spectrometric apparatus.
Kitamori Takehiko
Koga Masataka
Matsui Tetsuya
Nishitarumizu Tsuyoshi
Sakagami Masaharu
Hitachi Ltd.
Kirby Eades Gale Baker
Kitamori Takehiko
Koga Masataka
Matsui Tetsuya
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