Quote:
Originally Posted by andy
That's a common misconception. The ions will hit the inside of the gun, no matter how the magnet is adjusted. The only danger is that if the electron beam hits the inside of the gun, it can overheat, or even melt a hole in one of the grids.
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It's true that the ions won't hit, but perhaps he's referring to the effect in the attached snippet of an article on ion-traps.
The electron beam can sputter material from the gun electrode which will damage the screen.
My 10MP4 has a small nickel sized area that appears to have been damaged in this way. It's barely noticeable, but there.
John