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TonyDuell · 1st May 2021, 5:51 pm

The 'magnetron' (more precisely a 'cavity magneton') is a directly heated diode valve with a very specially shaped anode (containing the resonant cavities) and operated in a magnetic field.

I've been told that due to their use in microwave ovens that the cavity magneton is the type of valve produced in the largest quantity now

1st May 2021, 5:51 pm	#27
TonyDuell Dekatron Join Date: Jun 2015 Location: Biggin Hill, London, UK. Posts: 5,208	Re: 32 year old Sharp microwave oven... The 'magnetron' (more precisely a 'cavity magneton') is a directly heated diode valve with a very specially shaped anode (containing the resonant cavities) and operated in a magnetic field. I've been told that due to their use in microwave ovens that the cavity magneton is the type of valve produced in the largest quantity now