Title:
エッジ・ファントム
Document Type and Number:
Japanese Patent JP4373709
Kind Code:
B2
Abstract:
An edge phantom for assessing the sharpness response of a radiation image recording and detection system wherein the edge phantom is subjected to radiation emitted by a source of radiation to generate a radiation image and wherein the radiation image, recorded and detected by the system, is evaluated. The design of the edge phantom provides that any line outside a plane perpendicular to the edge phantom's top face, connecting the focus of the source of radiation with a point on a curved or flat lateral face of the phantom used for sharpness analysis coincides with a line part of that lateral face containing that point.
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Inventors:
Marc Cressence
Application Number:
JP2003147348A
Publication Date:
November 25, 2009
Filing Date:
May 26, 2003
Export Citation:
Assignee:
H.C.Starck Gmbh
International Classes:
A61B6/00; G03B42/02; G01N23/04
Foreign References:
| US4980904 |
Attorney, Agent or Firm:
Patent business corporation Odashima patent office