Patent · US Active

Radiotherapy device and microwave source thereof

US11984292B2 · kind B2 · utility

0Cited by

3References

20Claims

0Family size

Assignee

SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD. · CN

Inventors

Cheng Ni · Shanghai, CN
Gang Pan · Fremont, US
Zhangfan Deng · Shanghai, CN
MingYuan Song · Hsinchu, TW
Zongrui Sun · Shanghai, CN
Haoshan ZHU · Shanghai, CN
Feichao FU · Shanghai, CN
Jincheng Mei · Shanghai, CN
Chengjia Yuan · Shanghai, CN
Li WANG · Shanghai, CN
Xiaofeng Zhang · Zhejiang, CN
Jianxiong Zou · Shanghai, CN

Key dates

Filing date	Dec 26, 2022
Grant date	May 14, 2024
Priority date	—
Expiry date	Dec 26, 2042

Classification

Technology area (CPC H)Electricity
CPC primaryH05H2277/11
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The present disclosure is related to a microwave source. The microwave source may include a cathode heater and a thermionic emitter. The cathode heater may include a first component, and a second component enclosing at least a portion of the first component. The thermionic emitter may be configured to release electrons when the thermionic emitter is heated by the cathode heater. At least a portion of the second component of the cathode heater may be in contact with the thermionic emitter.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.