Patent ID: 8545296
Filing Date: 2013-10-01
Classification: F24F,H01L

Abstract:
1. A clean room comprising: first and second heating radiating members placed on a floor; and first and second dust-exhaust assistant members that have first and second dust-exhaust acceleration faces for facing top faces of the first and second heat radiating members, respectively, and that allow the first and second dust-exhaust acceleration faces to be positioned such that first and second distances are defined between the first and second dust-exhaust acceleration faces and the top faces of the first and second heat radiating members, respectively, so that ascending air flows rising from the top faces of the first and second heat radiating members caused by heat generation of the first and second heat radiating members are discharged outward from gaps between the first and second dust-exhaust acceleration faces and the top faces of the first and second heat radiating members, respectively, by the first and second dust-exhaust acceleration faces; wherein the second heat radiating member has higher temperature than the first heat radiating member, with a temperature difference between a surface temperature of a top face of the first heat radiating member and a temperature of a peripheral atmosphere of the first heat radiating member being larger than a temperature difference between a surface temperature of a top face of the second heat radiating member and a temperature of a peripheral atmosphere of the second heat radiating member; wherein the first dust-exhaust assistant member has the first dust-exhaust acceleration face facing the top face of the first heat radiating member, and is disposed so as to protrude downward from a ceiling facing the clean room, and the second dust-exhaust assistant member has the second dust-exhaust acceleration face facing the top face of the second heat radiating member, and is disposed so as to protrude downward from the ceiling facing the clean room; and wherein the first distance between the top face of the first heat radiating member and the first dust-exhaust acceleration face of the first dust-exhaust assistant member is made larger than the second distance between the top face of the second heat radiating member and the second dust-exhaust acceleration face of the second dust-exhaust assistant member.