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WANG Jun, YANG Yang, ZENG Huan, DENG Jialiang, LU Guangbao. New High-Speed CP1250Xe Composite Cryopump[J]. CHINESE JOURNAL OF VACUUM SCIENCE AND TECHNOLOGY. DOI: 10.13922/j.cnki.cjvst.202411017
Citation: WANG Jun, YANG Yang, ZENG Huan, DENG Jialiang, LU Guangbao. New High-Speed CP1250Xe Composite Cryopump[J]. CHINESE JOURNAL OF VACUUM SCIENCE AND TECHNOLOGY. DOI: 10.13922/j.cnki.cjvst.202411017

New High-Speed CP1250Xe Composite Cryopump

  • In this study, a novel large pumping speed CP1250Xe composite cryopump has been successfully designed. Through structural optimization, the pumping speed of Xe has been significantly increased, and it is capable of effectively pumping out conventional gases such as N2 and H2. The experimental results show that the pumping speed of Xe for this cryopump is as high as 65000 L/s, and the pumping speeds for N2 and H2 reach 60000 L/s respectively. The hydrogen pumping capacity is 150 L. These achievements confirm the remarkable advantages of the novel large pumping speed CP1250Xe composite cryopump in enhancing the pumping speed of xenon gas, solving the problem that the Xe pumping speed of traditional cryopumps fails to reach the desired value, and meanwhile, it has the ability to pump conventional gases, providing strong technical support for vacuum acquisition.
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