|
gptkbp:instanceOf
|
vacuum tube
|
|
gptkbp:application
|
gptkb:Medical_diathermy
Plasma generation
Particle accelerators
|
|
gptkbp:category
|
gptkb:synthesizer
Microwave technology
Vacuum electronics
|
|
gptkbp:commercialUse
|
1930s
|
|
gptkbp:component
|
gptkb:Cavity_magnetron
|
|
gptkbp:coolingSystem
|
Air cooling
Water cooling
|
|
gptkbp:criticalFor
|
Development of airborne radar
|
|
gptkbp:emits
|
Electromagnetic waves
|
|
gptkbp:enables
|
Affordable microwave ovens
Compact radar equipment
|
|
gptkbp:failureMode
|
Cathode wear
Magnet degradation
Vacuum loss
|
|
gptkbp:frequency
|
300 MHz to 30 GHz
|
|
gptkbp:hasComponent
|
cathedral
Anode
Cathode
Resonant cavities
|
|
gptkbp:hasPatent
|
gptkb:US_Patent_1,723,908
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Magnetrons
|
|
gptkbp:improvementYear
|
1940
|
|
gptkbp:improves
|
gptkb:Harry_Boot
gptkb:John_Randall
|
|
gptkbp:inventedBy
|
gptkb:Albert_W._Hull
1920
|
|
gptkbp:notableFor
|
gptkb:Cavity_magnetron
gptkb:Coaxial_magnetron
gptkb:Rising-sun_magnetron
gptkb:Split-anode_magnetron
|
|
gptkbp:operates
|
Interaction of electrons with magnetic and electric fields
|
|
gptkbp:powerOutput
|
Hundreds of watts (typical for microwave ovens)
Several kilowatts (typical for radar)
|
|
gptkbp:powerSource
|
High voltage DC
|
|
gptkbp:principle
|
Crossed-field device
|
|
gptkbp:produces
|
Microwave radiation
|
|
gptkbp:relatedTo
|
gptkb:Gyrotron
gptkb:Klystron
gptkb:Traveling-wave_tube
Microwave generator
|
|
gptkbp:symbol
|
gptkb:MGT
|
|
gptkbp:usedDuring
|
gptkb:World_War_II
|
|
gptkbp:usedIn
|
Radar systems
Microwave ovens
Industrial heating
|
|
gptkbp:bfsParent
|
gptkb:Microwave_Electronics
|
|
gptkbp:bfsLayer
|
5
|