X-ray or gamma ray systems or devices – Specific application – Absorption
Reexamination Certificate
2011-08-16
2011-08-16
Thomas, Courtney (Department: 2882)
X-ray or gamma ray systems or devices
Specific application
Absorption
C378S057000
Reexamination Certificate
active
08000440
ABSTRACT:
A target composition determination apparatus includes, an x-ray emission element for concurrently transmitting x-ray photons with a plurality of different energy levels at a target, and an x-ray detection element for receiving x-rays interacting with the target and for determining the energy levels of the received x-rays, the x-ray detection element generating at least one output signal indicative of the number of x-rays interacting with the target and the energy levels determined for each of the x-rays, and a processing element receiving the output signal and indicating the presence of at least one component material within the target using the received detection element signal and a multivariate calibration prepared for the target, the apparatus including that the output signal of the x-ray detection element is batched over a pre-selected time period to define the physical resolution of the target composition apparatus when a target is moved relative to the apparatus.
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Burling-Claridge Geordie Robert
Petch Philip Edward
Upsdell Martin Peter
Zavtrak Serguei Timofeevich
AgResearch Limited
Greern, Burns & Crain, Ltd.
Thomas Courtney
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