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1995
Conference Paper
Title

Computerlaminografie unter Verwendung eines Transmissionsstargets

Abstract
In computed laminography object cross sections are reconsturcted form digital profections taken during the obfect motion. By this new laminographic method the detector and the X-ray source remain fixed, only the object is moved in a translation across the fan beam of the microfocal X-ray source. The axial resolution depends on the opening angle of the fan beam. The paper shows the improvement of the resolution by using a transmission target in the microfocal X-ray source103. This allows the measurement of the projections in a fan beam with an opening of more than 90 ø. The artifacts in the axial directions are considerably reduced. The method is applied to the investigation of electronic boards and of welds.
Author(s)
Reiter, H.
Zhou, J.
Maisl, M.
Mainwork
100 Jahre Röntgenstrahlung und die heutige Vielfalt industrieller ZfP-Praxis. Bd.2  
Conference
Deutsche Gesellschaft für Zerstörungsfreie Prüfung (Jahrestagung) 1995  
Language
German
Fraunhofer-Institut für Zerstörungsfreie Prüfverfahren IZFP  
Keyword(s)
  • Auflösung

  • Fächerstrahl

  • fan beam

  • Laminographie

  • laminography

  • nondestructive testing

  • Öffnungswinkel

  • opening angle

  • reconstruction

  • Rekonstruktion

  • resolution

  • Zerstörungsfreie Prüfung

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