Title :
Beam test of compact SR ring “AURORA-2S” for X-ray lithography
Author :
Amano, D. ; Hori, T. ; Miyade, H. ; Murata, H. ; Takayama, T.
Author_Institution :
Res. & Dev. Center, Sumitomo Heavy Ind. Ltd., Tanashi, Japan
Abstract :
From January 1998, we started the beam test of “AURORA-2S” (A2S) with the same method as used for “AURORA-2D” (A2D) and were able to accumulate 0.7 GeV-electron beam in a comparatively short period. In the mean time, though, we found some problems while injection which were serious not for A2D but for A2S. In September 1998, however, we have succeeded in managing such the problems and obtained the following results so far; more than 1A of injected current with maximum increasing rate of 640 mA/min, and stored current exceeding the specification 500 mA with typical acceleration efficiency over 80%. Since then the A2S has been operated without any serious troubles, in February 1999 the integrated current exceeded 110 A.H and the beam lifetime reached 150 min at 500 mA. Moreover the acceleration efficiency increased to 97%
Keywords :
X-ray lithography; X-ray production; electron accelerators; particle beam injection; particle beam stability; storage rings; synchrotron radiation; 0.7 GeV; 1 A; 150 min; 500 mA; 80 to 97 percent; AURORA-2S; X-ray lithography; acceleration efficiency; beam lifetime; beam test; compact SR ring; electron beam; injected current; injection; stored current; Acceleration; Electron beams; Life estimation; Life testing; Particle beams; Radio frequency; Strontium; Superconducting magnets; Undulators; X-ray lithography;
Conference_Titel :
Particle Accelerator Conference, 1999. Proceedings of the 1999
Conference_Location :
New York, NY
Print_ISBN :
0-7803-5573-3
DOI :
10.1109/PAC.1999.792705
