Method and apparatus for acquiring image information for energy

Details Method and apparatus for acquiring image information for energy Method and apparatus for acquiring image information for energy

1998-07-17

2000-06-06

Porta, David P.

X-ray or gamma ray systems or devices

Electronic circuit

With display or signaling

378 989, 378 9812, 250582, 250583, 250588, H05G 164

Patent

active

060728558

ABSTRACT:
Radiation having a high energy level is irradiated to an object, and high energy image information corresponding to the radiation having a high energy level, which radiation carries image information of the object, is thereby stored on a stimulable phosphor sheet, which allows light detection from its front surface that stands facing the object, and from its back surface. Primarily the image information, which has been stored at a portion of the stimulable phosphor sheet on the front surface side, is erased. Thereafter, radiation having a low energy level is irradiated to the object, and low energy image information corresponding to the radiation having a low energy level, which radiation carries image information of the object, is thereby stored on the stimulable phosphor sheet. The low energy image information is acquired from the portion of the stimulable phosphor sheet on the front surface side, and the high energy image information is acquired from the portion of the stimulable phosphor sheet on the back surface side.

REFERENCES:
patent: 4541106 (1985-09-01), Belanger et al.
patent: 4855598 (1989-08-01), Ohgoda et al.
patent: 5081355 (1992-01-01), Miyagawa et al.
patent: 5365076 (1994-11-01), Itakura
patent: 5661306 (1997-08-01), Arakawa

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