'Focal spot size' diaporamas de présentation

Components of Radiographic Image Quality

Components of Radiographic Image Quality. Radiologic Technology 244 created: Fall 2005 Rev 12-01-2009. Review handouts. Main Factors Affecting Recorded Detail. kVp & mAs Technique Selection (Time) Motion Object Unsharpness Focal Spot Size SID (Source to Image Distance)

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R a d i a t i o n P hysics Introduction

0. R a d i a t i o n P hysics Introduction. 0. X-ray Production Atomic structure, the forces at work inside the atom, types of electromagnetic radiation (including x-rays), x-ray characteristics, components of an x-ray machine and x-ray tube,

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X-Ray & Computed Tomography (CT)

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ENTC 4390

ENTC 4390. PRODUCTION OF X RAYS. INTRODUCTION. To produce medical images with x rays, a source is required that 1. Produces enough x rays in a short time 2. Allows the user to vary the x-ray energy 3. Provides x rays in a reproducible fashion

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RADIATION PROTECTION IN DIAGNOSTIC AND INTERVENTIONAL RADIOLOGY

IAEA Training Material on Radiation Protection in Diagnostic and Interventional Radiology. RADIATION PROTECTION IN DIAGNOSTIC AND INTERVENTIONAL RADIOLOGY. L19: Optimization of Protection in Mammography. Introduction. Subject matter: mammography (scope is breast cancer screening)

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8. Diagnostic Radiology

8. Diagnostic Radiology. 8.1 PRODUCTION AND CHARACTERISTICS OF X-RAYS. X-rays are one of the main diagnostical tools in medicine since its discovery by Wilhelm Roentgen in 1895.

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8. Diagnostic Radiology

8. Diagnostic Radiology. 8.1 PRODUCTION AND CHARACTERISTICS OF X-RAYS. X-rays are one of the main diagnostical tools in medicine since its discovery by Wilhelm Roentgen in 1895.

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RT 123 WK 3 Lecture #3

RT 123 WK 3 Lecture #3. PRINCIPLES OF TECHNIQUE AND EXPOSURE. Factors Affecting DETAIL. MAGNIFICATION DISTORTION TECHNIQUE SELECTION (TIME) FOCAL SPOT SIZE IR Speed (f/s) OID / SOD / SID Factors Affecting DENSITY PATIENT THICKNESS,PATHOLOGY MAS & KVP SID. OID.

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Quality Control

Quality Control. Rad T 110. Aim :. The purpose of QC to achieve high quality images with the least amount of radiation. Quality Control is a part of Quality Assurance program. Test Types:. Acceptance test Monitoring test Annual Test After repair or tube replacement. Acceptance Test:.

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QUALITY ASSURANCE

QUALITY ASSURANCE. ADVANCED IMAGING EQUIPMENT CHAPTER 10. Digital Radiographic Imaging Systems Conversion of Analog Film Image to Digital Format Laser Scanning Digitizer Charge- Coupled Device Scanner Computerized Radiography. DIGITAL RADIOGRAPHIC IMAGING SYSTEMS.

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Diagnostic Radiology IV

Diagnostic Radiology IV Factors affecting x-ray emission Power ratings and heat loading Factors affecting x-ray emission Output of an x-ray tube described by the terms quality, quantity and exposure Quality describes penetrability of an x-ray beam

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Transition Metal Coatings on Graphite Via Laser Processing D. Rajput*, L. Costa, K. Lansford, A. Terekhov, G. Murray,

Transition Metal Coatings on Graphite Via Laser Processing D. Rajput*, L. Costa, K. Lansford, A. Terekhov, G. Murray, W. Hofmeister. Center for Laser Applications University of Tennessee Space Institute Tullahoma, Tennessee 37388-9700 * Email: drajput@utsi.edu Web: http://cla.utsi.edu.

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CT Instrumentation and X-ray system

CT Instrumentation and X-ray system . Alhanouf Alshedi Email: aalshedi@ksu.edu.sa. 2 ed Lecture. Scanner. GANTRY PATIENT COUCH . Gantry :. Is a mounted framework that surrounds the patient that houses these components: X-ray tube Generator Collimators

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CHAPTER 6 THE X-RAY BEAM SPECIFIC OBJECTIVES NOTED IN THIS POWER POINT BEGIN ON PAGE 110-117.

CHAPTER 6 THE X-RAY BEAM SPECIFIC OBJECTIVES NOTED IN THIS POWER POINT BEGIN ON PAGE 110-117. . Four timers. 1) Synchronous-min time is 1/60. Increase in equal multiples 2) Electronic-most accurate/controlled by microprocessor Where are 1 and 2 located in the circuit?

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Resolution and Stability Tests of Medipix-1 Pixel Detector Used for X-ray Dynamic Defectoscopy

Resolution and Stability Tests of Medipix-1 Pixel Detector Used for X-ray Dynamic Defectoscopy. Jan Jakubek a , Daniel Vavrik b , Stanislav Pospisil a , Jan Visschers c a IEAP CTU Prague, b ITAM CAS Prague, c NIKHEF Amsterdam. X-ray Dynamic Defectoscopy (XRDD)

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Chapter 18 Quality Control

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LSP modeling of the electron beam propagation in the nail/wire targets Mingsheng Wei, Andrey Solodov, John Pasley, Farha

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Frontier Microfocusing Macromolecular Crystallography Beamline (FMX)

Frontier Microfocusing Macromolecular Crystallography Beamline (FMX).

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