Synchrotron radiation source

Details Synchrotron radiation source Synchrotron radiation source

1988-02-11

1989-08-01

DeMeo, Palmer C.

Electric lamp and discharge devices

With temperature modifier

For lead-in-seal or stem protection

313 7, 328233, H05H 1304, H01J 716

Patent

active

048536407

ABSTRACT:
An industrial compact synchrotron radiation source which can improve vacuum evacuation performance to prolong life-time of a charged particle beam and supply highly intensive stable synchrotron radiation. In the source, a charged particle beam bending duct forming a vacuum chamber through which the charged particle beam circulates is encompassed by a bending electromagnet, and at least one SR guide duct for guiding the radiation to outside extends from the outer circumferential wall of the bending duct. The SR guide duct is connected through a gate valve to an SR beam line duct for guiding the SR beam to an object to be worked and a vacuum pump is disposed on the side, close to an orbit of the charged particle beam, of the gate valve. The SR guide duct extending from the outer circumferential wall of the bending duct takes a form of a divergent duct which is widened in accordance with a spreading angle of the SR beam traveling through the SR guide duct.

REFERENCES:
patent: 4024426 (1977-05-01), Vaguine
patent: 4477746 (1984-10-01), Piltch
patent: 4631743 (1986-12-01), Tomimasu et al.
patent: 4737727 (1988-04-01), Yamada et al.
"Status of the Vacuum System in the Photon Factory Electron Storage Ring", by H. Kitamura et al, National Laboratory for High Energy Physics Report (1984), pp. 234-236.
"ESR Vacuum System for the Photon Factory", by M. Kobayashi et al, Nuclear Instruments and Methods, 177 (1980), pp. 111-115.
"Design of a Synchrotron Radiation Facility for Orsay's ACO Storage Ring: Lure", by. P. M. Guyon et al, Review of Scientific Instruments, vol. 47, No. 11, pp. 1347-1356, Nov. 1976, Publisher: American Institute of Physics.

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