X-ray imaging system for determining area density of low density

Details X-ray imaging system for determining area density of low density X-ray imaging system for determining area density of low density

1999-05-12

2000-12-26

Bruce, David V.

X-ray or gamma ray systems or devices

Specific application

Absorption

378 51, 378 53, G01B 1502

Patent

active

061671134

ABSTRACT:
An apparatus and method are disclosed for measuring the area density of a low density material sample. The system includes an x-ray emitter which emits x-rays in the range of 3 kilovolts to 20 kilovolts and the x-rays pass through the sample. An imaging device converts the x-rays which pass through the sample to visible light to produce a visible image corresponding to the sample and in which the visible image has an intensity which varies as a function of the area density across the sample. A camera produces an output signal representative of the intensity of the visible image across the sample while a computer processor processes the signal from the camera after digitization to produce an analysis of the area density of the sample.

REFERENCES:
patent: 4150288 (1979-04-01), Inoue et al.
patent: 4899298 (1990-02-01), Overhoff
patent: 5381458 (1995-01-01), Deslattes
patent: 5465284 (1995-11-01), Karellas
patent: 5491331 (1996-02-01), Armentrout

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