Patent ID: 7488932
Filing Date: 2009-02-10
Classification: H05H

Abstract:
1. An apparatus for producing an atomic beam, comprising: an ionization chamber, used to generate an ion beam; an ion beam drawing device, used to draw the ion beam from the ionization chamber; a neutralization chamber, disposed on a path of the ion beam, wherein the ion beam drawing device is disposed between the neutralization chamber and the ionization chamber, and wherein after the ion beam passes through the neutralization chamber, the ion beam is neutralized to a neutral atomic beam; and a voltage regulating device, disposed on the path of the ion beam and disposed between the ion beam drawing device and the neutralization chamber, wherein the voltage regulating device comprises a plurality of deceleration electrodes, each deceleration electrode has a long side and a short side, and the long side of the deceleration electrode is substantially parallel to the ion beam.