Canon Kabushiki Kaisha

Kazushige Utsumi

Kazuyuki Ueda

Kazuya Tsujino

Nobuhiro Ito

An X-ray generating tube including a transmission target having a minute focal spot. The X-ray generating tube includes a transmission target having a first surface configured to be irradiated with an electron beam; an electron emitting source configured to irradiate the transmission target with the electron beam obliquely; and a tubular forward shield member to define an extraction angle of an extracted X-ray beam. The forward shield member is disposed such that a central axis of the electron beam and a central axis of the X-ray beam whose extraction angle is defined are located at the same side with respect to a virtual normal plane perpendicular to the surface and a projection of the central axis of the electron beam to the surface.

X-ray generating tube, X-ray generating apparatus, and radiography system

A radiation generating apparatus includes a cathode array including a plurality of electron emitting portions, and an anode array including a plurality of targets and a chained connection unit that connects the targets. The chained connection unit includes a plurality of shielding members and a thermal transfer member, the shielding members being arranged at locations corresponding to the locations of the respective targets, and the thermal transfer member having a thermal conductivity higher than a thermal conductivity of the shielding members. The thermal transfer member has a portion that is continuous in a direction in which the targets are arranged.

Radiation generating apparatus and radiography system including the radiation generating apparatus

A multi-radiation unit includes: a multi-radiation tube which has a plurality of electron sources, a plurality of targets and an intermediate electrode having openings through which electrons emitted from the electron sources pass; a selection circuit that allows electrons to be emitted from a selected electron source selected from the plurality of electron sources; an intermediate electrode potential defining unit that defines a potential of the intermediate electrode; a storage unit that stores, for each of the plurality of electron sources, an electrostatic control condition of the intermediate electrode for obtaining a predetermined irradiated state of a target corresponding to the selected electron source; and a changing unit that changes, when electrons are emitted from the selected electron source, the electrostatic control condition of the intermediate electrode based on the electrostatic control condition stored in the storage unit for the selected electron source.

Multi-radiation unit and radiation imaging system including the unit

A method of drying a substrate comprises: supplying a first air flowdownwardly in an inclined direction onto the substrate; supplying a second air flowupwardly in an inclined direction onto the substrate, while moving relatively the substrate and the upper and lower blowing portions so that the substrate, from the end area as a front of the substrate, passes between the upper blowing portion and the lower blowing portion; and controlling the first and second air flows such that a velocity component of the second air flow in an upward direction perpendicular to the virtual plane is smaller than a velocity component of the first air flow in a downward direction perpendicular to the virtual plane.

Growing community of inventors

Sagamihara, Japan

Kazushige Utsumi