Title:
RADIOGRAPHIC CALIBRATION PHANTOM
Document Type and Number:
Japanese Patent JP3479568
Kind Code:
B2
Abstract:
PURPOSE: To provide a phantom for measuring attenuation of multicolor X-ray by combining at least two kinds of materials.
CONSTITUTION: This is a phantom for measuring attenuation of multicolor X-ray by a combined material and is constituted of a radiation source to irradiate X-ray and a plurality of cylinders placed between X-ray detectors. The plurality of cylinders are placed so as to be directed to the radiation source. A combined body as thick as the material is mounted on each cylinder.
Inventors:
Piet Vuilstek
Christian Five
Christian Five
Application Number:
JP33556794A
Publication Date:
December 15, 2003
Filing Date:
December 20, 1994
Export Citation:
Assignee:
AGFA-GEVAERT NAAMLOZE VENNOOTSCHAP
International Classes:
A61B6/00; G03B42/02; (IPC1-7): A61B6/00
Other References:
【文献】欧州特許出願公開157417(EP,A1)
【文献】西独国特許出願公開3704685(DE,A1)
【文献】西独国特許出願公開3704685(DE,A1)
Attorney, Agent or Firm:
Mitsuo Adachi (2 outside)