Preface
Acknowledgments
Author
Symbols
Historical Introduction and Survey
The Discovery in Fall
1895
The Early Days of X-rays
Major Steps of Progress
References
Physics of Generation of Bremsstrahlung
Acceleration of
Electrons
Efficiency of Energy Conversion
The X-ray Continuum Spectrum
Characteristic Radiation
Characteristic Radiation and Discontinuous Attenuation
Theory of the Angular Distribution of the Continuum Radiation
Angular Distribution of Characteristic Radiation
Polarization
Theory of Electron Scatter in the Anode
Electron Backscatter
The Thomson-Whiddington Law in More Detail
Measured and Simulated Isotropic X-ray Intensity Distribution
The Heel Effect
References
The Interaction of X-rays with Matter
Basics of the Attenuation of X-rays
X-ray Refraction and X-ray Lenses
Thomson Scattering
Rayleigh Scattering
Compton Scattering
Photoelectric Absorption
References
More Background on Medical Imaging
Non-X-ray Methods
X-ray Imaging
Spectral Imaging
Phase-Contrast Imaging
Fluorescence Imaging
Polarized X-rays
References
Imaging Modalities and Challenges
Computed Tomography
Cardio and Vascular Imaging
Radiographic Systems
Radiography/Fluoroscopy (R/F) Systems
Mammography Systems
Surgical C-Arm Systems with Monoblocks
References
Diagnostic X-ray Sources from the Inside
Working Principle and Types of Medical X-ray Tubes
Tube Components in Detail
The Tube Frame
Maintaining Vacuum
Vacuum Discharges and High-Voltage Stability
References
Housings, System Interfacing, and Auxiliary Equipment
X-ray Source Assembly
Radiation Shield
Beam Quality
Beam Limitation
Protection Against Implosion and Explosion
Cooling
References
The Source of Power
Basic Functionality of the X-ray Generator
High-Voltage Chain
Sensing Tube Voltage and Current
Energy Quantization
Voltage Ripple
Dual-Energy (Dual X-ray Color) Imaging
Filament Heating and Emission Control
Grid and Electrostatic Deflection Supply
Multiple Tubes
Other Auxiliary Supplies
Tube Temperature Supervision
Dose Control
Matching Generator and Tube
Monoblocks
References
Manufacturing, Service, and Tube Replacement
Manufacturing of X-ray Tubes
Process-Oriented versus Assembly-Oriented Production
Production Yield
Installation and Service
Tube Replacement and Recycling
Recycling
Reference
X-ray Source Development for Medical Imaging
Application
Trends for the Development of Medical X-ray Sources
Developments Which Did Not (Yet?) Make it to the Marketplace
Candidates for Next-Generation Bremsstrahlung Sources
Dream and Reality: Deficits of Bremsstrahlung Sources
Nonbremsstrahlung Sources of X-rays for Imaging
Industrial Development of Novel X-ray Sources
References
Index
Rolf Behling holds a diploma in physics from the University of Hamburg, Germany. During more than 30 years in the medical industry he has held many positions, including department head of tube technology development, global project coordination manager, global innovation manager, head of marketing and field support for X-ray tubes, department head for X-ray tube development, project manager, and process physicist. The first spiral-groove-bearing X-ray tube was developed under his leadership. He currently heads the Philips Group for Advanced Development of X-ray Tubes and X-ray Generators at Philips HealthTech in Hamburg. He is a part-time lecturer at the University of Hamburg and has written numerous patents and publications in vacuum technology and medical imaging.
"The author has produced a unique reference about medical X-ray
imaging technologies. Designers and technologists who are actively
involved in designing the forthcoming generations of medical X-ray
systems could benefit from this book."
—Axel Mainzer Koenig, CEO, 21st Century Data Analysis, in The
Optical Society "This unique book provides fascinating and useful
tours of some of the many worlds supporting a single high-value
technology product. Stakeholders in the use of x-rays in medicine
will find complete chapters on topics, including history, basic
x-ray physics, imaging, tube design, manufacturing, alternative
technologies, and economics. The chapters covering basics contain
comprehensive reviews provided in a readable style. The
‘industrial’ chapters provide equally readable access behind the
curtains describing much of what it takes to deliver an x-ray tube
to a hospital. Much of this information is impossible to find
elsewhere. A comprehensive demonstration of the interlocking of
fundamental science, engineering, and industrial processes …
recommended to all those interested in how things work."
—Stephen Balter, Ph.D., Professor of Clinical Radiology, Columbia
University Medical Center "Rolf Behling, based on his long and deep
technical and industrial experience in this field, is a true heir
of Wilhelm Conrad Röntgen and C.H.F. Müller and is a perfect author
for writing this exciting story. I can recommend this book not only
to specialists but also to the interested general reading public …
I am sure this book will be a success!"
—Georg Gärtner, Southeast University Nanjing "… very valuable for
engineers and physicists."
—Professor Dr. Peter Schreiber "…very comprehensive…. The author
provides insight into state-of-the-art and future medical
applications."
—Dr. Jens-Peter Schlomka, Morpho Detection Germany GmbH "This book
is a state-of-the-art, comprehensive journey into the world of
medical X-ray. It handsomely bridges the history, the technical
generation, and the use, as well as gives a technical outlook from
the perspective of a very accomplished developer of X-ray
components and systems."
—Dr. Stephan E.L. Haferl, Industrial X-ray Technologies (IXT) "…an
accurate and comprehensive overview of the technology and physics
behind today’s X-ray sources. If you work in the field of medical
X-ray imaging, I highly recommend you read this book, and you will
likely keep it on your desk for reference."
—Mats Danielsson, Professor, KTH Royal Institute of Technology
"This book fills a significant gap. There has been a great need for
a single work that thoroughly covers the physics and engineering of
medical X-ray sources."
—Norbert J. Pelc, Professor of Radiology, Stanford University
School of Medicine "I am pleased to endorse Rolf’s detailed
description of X-ray technological innovations that have driven
X-ray source design, performance, and reliability for more than 125
years."
—Clarence O. Clark "… a definitive book covering all relevant
aspects of X-ray sources for medical imaging. It contains a
comprehensive discussion of the history, developments, and trends
in relation to the requirements of medical imaging systems, and
goes deep into the physics and technology."
—Roland Proksa, Philips Research Laboratories
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