Title:
X-RAY ABSORPTIVE FILTER
Document Type and Number:
Japanese Patent JPH07323025
Kind Code:
A
Abstract:
PURPOSE: To provide an X-ray absorptive filter wherein a subtraction image being influenced little by scattered rays can be obtd.
CONSTITUTION: A filter element 1 arranged between the first X-ray film and the second X-ray film facing to an X-ray source by placing an object to be photographed between them is constituted of tungsten (W) or lead (Pb) when an X-ray subtraction image is obtd. by a one shot dual energy subtraction method.
Inventors:
OISHI HIROYUKI
Application Number:
JP12033394A
Publication Date:
December 12, 1995
Filing Date:
June 01, 1994
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
A61B6/00; G21K3/00; (IPC1-7): A61B6/00; A61B6/00; G21K3/00
Attorney, Agent or Firm:
Takehiko Suzue
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