Quote:
Originally Posted by andy
I've always thought "ion trap" was a poor name for the magnet on the neck of the CRT because it has nothing to do with trapping ions. The bend, or angled grid, in the neck is the ion trap. The magnet is there to straighten out the electron beam so it will pass through the gun.
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I noticed in the Zenith Service Manual for my porthole, it's indeed listed as
beam bender instead of
ion trap.