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IEVref:726-11-04ID:
Language:enStatus: Standard
Term: quarter-wave contact piston
Synonym1: bucket piston
[Preferred]
Synonym2: bucket plunger
[Preferred]
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Definition: a contact piston in which rubbing contact is made at the free ends of thin quarter-wave length long metal strips which extend from the plunger face and lie close to the waveguide walls

NOTE – The actual contact is thus made in a region of low current and high voltage, so that the effects of contact resistance are minimized.


Publication date:1982
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