X-ray Generation

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all the basics of x-ray generation

X-ray Generation summary

Boil electrons off, speed them up and crash them into a heavy metal.


Put on the breaks until you understand this physical interaction as it generates most of the x-rays.


Learn how to interpret an x-ray spectrum and the contribution of: Bremsstralung, Characteristic and filtration to the x-ray spectrum.

tube overview

We have a high level summary of the components of the x-ray tube: filament (cathode), rotating anode, kVp, and mA.


Learn the basis for the peaks in the x-ray spectrum.

engagement questions

Self check questions to check your understanding of concepts, answers included.

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I absolutely love this website! As a Registered Radiologic Technologist I am always looking for educational material that will assist educating future Radiologic Technologists. howradiologyworks.com has become one of my favorite educational resources due to its simple (and sometimes witty) approach to educating students about the physics behind CT and XRAY.
rebecca raether RT CT
Rebecca Raether, MSRS RT(R) (CT)
Brian’s lessons on How Radiology Works are something else. Awesome illustrations that are simple, rich and renewing. Thanks so much for undertaking such wonderful work. The reason is that most radiographers need a review of what they already should know and for students your methods are quite lovely.
Franklin Chiedozie Omeje, Radiographer

all the basics of x-ray generation



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