Vacuum system design of the SRRC 1. 3 GeV Synchrotron radiation source
The vacuum system design for the SRRC 1.3 GeV synchrotron light source is described. The design goal of the vacuum system is to achieve a 10 h beam life time at 200 mA beam current. Aluminum alloys are chosen as the vacuum chamber materials. Machining and extrusion methods will be applied to the fabrication of bending magnet chambers and straight chambers respectively. In order to locate pumps effectively, a computer program was written to calculate the pressure distribution around the storage ring. In the ring, the major pumps will be ion pumps and titanium sublimation pumps. Turbomolecular pumps will be used for evacuation during roughing and baking processes. At the downstream side of the bending magnet chamber, where the photon-induced desorption is ''concentrated'', a pumping port is designed to reduce the average pressure effectively; this design results in a triangular-shaped bending magnet chamber. Also, a distributed ion pumps is built in the bending magnet chamber to pump out scattered gas molecules in this region.
- Research Organization:
- Synchrotron Radiation Research Center, 8F, 6 Roosevelt Rd. Sec. 1, Taipei, Taiwan 10757, Republic of China
- OSTI ID:
- 7082875
- Report Number(s):
- CONF-880552-
- Journal Information:
- AIP Conf. Proc.; (United States), Journal Name: AIP Conf. Proc.; (United States) Vol. 171:1; ISSN APCPC
- Country of Publication:
- United States
- Language:
- English
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EQUIPMENT
GEV RANGE
GEV RANGE 01-10
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LABORATORY EQUIPMENT
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