Devices and methods for the detection of particles

Radiant energy – Ionic separation or analysis – Ion beam pulsing means with detector synchronizing means

Reexamination Certificate

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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.

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