The cathode ray Tube (CRT) is the heart of the C.R.O. the CRT generates the electron beam, accelerates the beam, deflects the beam and also has a screen where beam becomes visible as a spot. The main parts of the CRT are:

1.    Electron Gun
2.    Deflection system
3.    Fluorescent screen
4.    Glass tube or envelope
5.    Base

A schematic diagram of CRT, showing its structure and main components is shown in the figure below.

Since I want to explain each and every parts of the CRT in detail, I will spilt this topic into 3 parts.




Prabhu TL

“Prabhu TL is the Co-founder of Softecks, an App development Firm. his skills include Book Writing Android/IOS App Developer, Game Design and developer, blogger and business thinker. prabhu also creates youtube videos. Visit him at

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