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  • X-ray Imaging Devices
Dec 2004
Hamamatsu CorporationRequest Info
Provide Clear Images in Various Applications
BRIDGEWATER, N.J., Dec. 22 -- Hamamatsu Corp. has introduced a series of x-ray imaging devices that provide clear images in a variety of applications. Comprised of a substrate with a Csl (cesium iodide) scintillator material deposited over its surface and an additional protective film coating, the x-ray imaging devices can be combined with an appropriate image sensor to form an x-ray detector for use in dental and medical examination systems.

The aluminum plate with Csl scintillator can be designed with an effective area ranging from 14x14 to 440x440 mm. Measuring only 1 mm thick, the ALS has a high light output of 130 keV and 20 percent CTF at 5 lp/mm. It is well suited for design into x-ray detectors used in dental-panoramic and chest examination applications.

For applications requiring high resolution, such as dental inter oral and mammography, Hamamatsu has developed the ACS (amorphous-carbon plate) with Csl scintillator. Its effective area also ranges from 14x14 to 440x440 mm and it is 1 mm thick. Light output is 85 keV and CTF is 30 percent at 5 lp/mm. The ACS has excellent x-ray transmittance characteristics, it is a glass-like material with no particle-causing blemish defects, and it is environmentally safe.

The FOS fiber optic plate with Csl scintillator features an x-ray shield and low energy. Its effective range can be 10x10 to 240x180 mm, and its thickness ranges from 1 to 4 mm. With a light output of 110 keV and 25 percent CTF at 5 lp/mm, the FOS is well suited for design into x-ray detectors used in dental interoral, dental panoramic and mammography applications.

For more information, visit:

360 Foothill Rd
Bridgewater, NJ 08807
Phone: (908) 231-0960
Fax: (908) 231-1218


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x-ray detector
One of various types of fluorescent screens used to detect x-ray radiation. Photographic film is mildly sensitive to x-rays, but much more sensitive to light. Hence, in photographing x-ray shadowgraphs, it is common practice to compress the film between two fluorescent screens and so have the advantage of the film's natural sensitivity.
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