Toshiba Electron Tubes & Devices Co., Ltd.

Canon Electron Tubes & Devices Co., Ltd.

Masahiko Tezuka

Hidero Anno

Masataka Ueki

According to one embodiment, an emitter comprise a base portion including an electron emission surface from which electrons are emitted, a pair of leg portions applying a voltage to the electron emission surface, and a rib portion formed by bending an edge of the base portion to a side opposite to the electron emission surface, on at least a part of an outline of the electron emission surface.

Emitter including a zigzag current path and rib portions, and X-ray tube

According to one embodiment, an X-ray tube assembly includes a cathode includes a first non-magnetic metal member having high electrical conductivity, an anode target includes a second non-magnetic metal member having high electrical conductivity, a vacuum envelope having depressed portion depressed, and a first magnetic deflector provided outside the vacuum envelope, includes first magnetic pole pair generating the alternating magnetic field, the first magnetic pole pair being provided in close vicinity to a wall surface of the depressed portion.

Growing community of inventors

Otawara, Japan

Masahiko Tezuka