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X-RAY SOURCE SYSTEM AND X-RAY IMAGING SYSTEM HAVING A CONVERSION STRUCTURE FOR COMPENSATING CONVERSION EFFICIENCY
X-RAY SOURCE SYSTEM AND X-RAY IMAGING SYSTEM HAVING A CONVERSION STRUCTURE FOR COMPENSATING CONVERSION EFFICIENCY
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机译:具有用于补偿转换效率的转换结构的X射线源系统和X射线成像系统
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摘要
The present disclosure relates to an X-ray source system configured for successively or concurrently generating different X-ray spectra, which have different cutoff-energies. The system comprises an electron receiving member, which is mounted to be rotatable about a rotation axis. The electron receiving member comprises a conversion structure and a substrate. The system further comprises a voltage generator, which is connected to the electron source and which is configured to control the electron source so that electrons having a first energy and a second energy are generated using different acceleration voltages of the electron beam source. The first energy is greater than the second energy and a ratio of a transmittance for the electrons of the first energy through the conversion structure to a transmittance for the electrons of the second energy through the conversion structure is greater than 1.2.
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