Radiant energy – Ionic separation or analysis – Ion beam pulsing means with detector synchronizing means
Reexamination Certificate
2005-01-25
2005-01-25
Wells, Nikita (Department: 2881)
Radiant energy
Ionic separation or analysis
Ion beam pulsing means with detector synchronizing means
C250S281000, C250S282000, C250S299000
Reexamination Certificate
active
06847035
ABSTRACT:
The present invention relates to devices and methods for determining the masses of particles by measuring the time between a first event such as a sample (5) being ionized, (or a beam of electromagnetic radiation being scattered by a particle (15) and electromagnetic radiation scattered by said particle being detected by a detection means,) and a second event in which a beam (21) of electromagnetic radiation is scattered by a particle (15) from said ionized sample and electromagnetic radiation (25) from said beam (21) scattered by said particle (15) is detected by a detection means (11).
REFERENCES:
patent: 4383171 (1983-05-01), Sinha et al.
patent: 5998215 (1999-12-01), Prather et al.
Sinha, M. P. “Laser-Induced Volatilization and Ionization of Microparticles” Review of Scientific Instruments, American Institute of Physics, New York, US vol. 55, No. 6, Jun. 1984 pp. 886-891.
Amersham Biosciences UK Limited
Ji Yonggang
Leybourne James J.
Ronning, Jr. Royal N.
Ryan Stephen G.
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