Carbon nanotubes as low voltage field emission sources for...

Gas separation: processes – Electric or electrostatic field – With addition of solid – gas – or vapor

Reexamination Certificate

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Details

C096S069000, C096S095000, C096S097000, C096S098000, C252S502000

Reexamination Certificate

active

07402194

ABSTRACT:
An air particle precipitator and a method of air filtration include a housing unit; a first conductor in the housing unit; a second conductor in the housing unit; and a carbon nanotube grown on the second conductor. Preferably, the first conductor is positioned opposite to the second conductor. The air particle precipitator further includes an electric field source adapted to apply an electric field to the housing unit. Moreover, the carbon nanotube is adapted to ionize gas in the housing unit, wherein the ionized gas charges gas particulates located in the housing unit, and wherein the first conductor is adapted to trap the charged gas particulates. The air particle precipitator may further include a metal layer over the carbon nanotube.

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