Various types of seven bellows chambers have been installed in the KEK B-Factory (KEKB) positron ring since 2003 in series. The temperature of corrugation decreased by a factor of 3 - 6 in most cases.

Part of High luminosity e+ e- factories. Proceedings, 40th ICFA Advanced Beam Dynamics Workshop, Novosibirsk, Russia, April 14-16, 2008, 23-27 ...