Sharp Kabushiki Kaisha Corporation

Terutaka Tokumaru

Seiki Yano

Masao Urayama

Minoru Makita

Takeo Takase

There is provided a magnetron comprising a cold cathode having an electron emitting member which is formed linearly or as a plane on a substrate to emit electrons a subdivided anode disposed oppositely in parallel with the electron emitting member, the subdivided anode having cavity resonators formed therein at the side of the cold cathode, and a magnet which producing a magnetic field lying at right angles to an electric field applied between the cold cathode and the subdivided anode. There is also provided a microwave oven for dielectric-heating a substance to be heated by using the magnetron as a microwave supply source.

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Atsugi, Japan

Terutaka Tokumaru