Radiant energy – Ionic separation or analysis – Ion beam pulsing means with detector synchronizing means
Reexamination Certificate
2007-01-09
2007-01-09
Berman, Jack I. (Department: 2881)
Radiant energy
Ionic separation or analysis
Ion beam pulsing means with detector synchronizing means
C250S288000, C073S028040, C073S865500, C324S452000
Reexamination Certificate
active
10923623
ABSTRACT:
A differential mobility analyzer (DMA) for separating charged particles or ions suspended in a gas and a method of using the DMA for separating such particles. The invention includes various means for increasing the resolution of the DMA by stabilizing the laminar flow within the DMA and by allowing unusually large flow velocities.
REFERENCES:
patent: 5218203 (1993-06-01), Eisele et al.
patent: 5869831 (1999-02-01), De La Mora et al.
patent: 6787763 (2004-09-01), De La Mora et al.
De Juan et al., “High Resolution Size Analysis of Nanoparticles and Ions: Running a Vienna DMA of Near Optimal Length at Reynolds Numbers Up to 5000”, Journal of Aerosol Science, vol. 29, No. 5/6, pp. 617-626, 1998.
De La Mora Juan Fernandez
Labowsky Michael J.
Neilson G. Wayne
Schmitt, III Jerome J.
Berman Jack I.
Carmody & Torrance LLP
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