Patent 7913752 was granted and assigned to ISHIKAWAJIMA-HARIMA HEAVY INDUSTRIES CO.,LTD. on March, 2011 by the United States Patent and Trademark Office.
A cooling system for a vacuum processing apparatus is provided with an internal heat conduction path for transfer of heat entering the subject body through the vacuum processing apparatus, a heat radiation path for radiation of the heat to an outside of the vacuum processing apparatus and a heat conduction path for regulation of quantity of heat transfer between the internal heat conduction path and the heat radiation path. Preferably, a heat pipe is applied to the internal heat conduction path.