X-ray or gamma ray systems or devices – Specific application – Absorption
Patent
1999-06-07
2000-04-11
Porta, David P.
X-ray or gamma ray systems or devices
Specific application
Absorption
378 58, 378205, G01N 2304
Patent
active
060495863
ABSTRACT:
A non-destructive inspection apparatus has a radiation source, a radiation detector, a radiation source diver, a detector driver, a drive controller, a delay circuit, a radiation signal processing circuit, a memory, a computer, a display device, and an input device. The radiation detector consists of one-dimensional or two-dimensional array of detectors having a long collimator whose pores are in parallel with the radiation angle of the radiation emitted in an angular pattern from the radiation source, whereby a transmission image of a large size structure can be obtained at high speed and with a high resolution. Furthermore, the detect position in an inspection object can be specified by analyzing a plurality of specified transmission images using the inspection apparatus.
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Aoki Yasuko
Hattori Yukiya
Izumi Shigeru
Kitaguchi Hiroshi
Miyai Hiroshi
Hitachi , Ltd.
Porta David P.
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