Journal
APPLIED PHYSICS LETTERS
Volume 86, Issue 18, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.1923750
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We report a field emission x-ray source that can generate a scanning x-ray beam to image an object from multiple projection angles without mechanical motion. The key component of the device is a gated carbon nanotube field emission cathode with an array of electron emitting pixels that are individually addressable via a metal-oxide-semiconductor field effect transistor-based electronic circuit. The characteristics of this x-ray source are measured and its imaging capability is demonstrated. The device can potentially lead to a fast data acquisition rate for laminography and tomosynthesis with a simplified experimental setup. (c) 2005 American Institute of Physics.
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