Tsinghua University

Nuctech Company Limited

Hao Zha

Huaibi Chen

Chuanxiang Tang

Jiaru Shi

Yuanjing Li

Liang Zhang

Yaohong Liu

Kejun Kang

Jianrong Dai

Pan Ma

Chuanmeng Niu

Minghui Li

Hongda Li

Guozheng Lv

Xiangfei Chai

Shirong Wang

Baoying Peng

Jinyan Zhang

Focheng Liu

Jiayang Liu

Yanfei Li

Fugen Zhou

An image guided radiotherapy apparatus and a control method are provided. According to a specific embodiment, the radiotherapy apparatus includes: a treatment unit, which includes a treatment head for generating radiation beam for radiotherapy; an imaging unit for imaging a target area of a patient, wherein the imaging unit is integrated mounted with the treatment head. The radiotherapy apparatus of the present invention can be applicable to both extracorporeal and intraoperative radiotherapy, and has a high radiotherapy accuracy.

Image guided radiotherapy apparatus and control method therefor

The present disclosure provides a microwave transmission method and a single-input multiple-output waveguide microwave system based on frequency control, an electronic device. The method includes: adjusting frequency of an input microwave, each of different input microwaves with different frequencies being input microwave of the single-input multi-output waveguide microwave system; assigning the input microwave to a target output port among multiple output ports of the single-input multiple-output waveguide microwave system, according to the frequency of the input microwave; and performing microwave output through the target output port.

Single-input to N-output microwave system including multiple band-pass filters and multiple accelerators configured for selective irradiation at different angles

A magnetron is provided and includes a tube body with a plurality of communicated first cavities therein, a plurality of anodes in the first cavities including a cylinder and a plurality of vanes, outer ends of the vanes are connected with an inner circumferential surface of the cylinder; a first resonant cavity and a second resonant cavity are formed between the adjacent vanes, the cylinder is provided with a plurality of coupling slots arranged at intervals and running through the cylinder to communicate the first resonant cavity with the first cavity; a plurality of cathode arranged in and coaxially with the cylinder; the cathodes and inner ends of the vanes are spaced apart; at least part of the cathodes are located inside vanes, and an output slot is defined on the tube body for communicating the first cavity with an outside.

Multi-cathode magnetron with internal electromagnetic field coupling

Embodiments of the disclosure provide a multi-ray-source accelerator and an inspection method. The multi-ray-source accelerator includes: a plurality of acceleration tubes, each acceleration tube of the plurality of acceleration tubes including an acceleration tube body that defines at least one cavity, the plurality of acceleration tubes being arranged in at least one row along a straight line or an arc and connected in series with each other; and a microwave unit configured to provide a microwave field to the plurality of acceleration tubes. The plurality of acceleration tubes are arranged to allow the microwave unit to provide the microwave field from an acceleration tube at one end of the plurality of acceleration tubes so as to accelerate electron beams in cavities of all the acceleration tubes.

Multi-ray-source accelerator and inspection method

Growing community of inventors

Beijing, China

Hao Zha