Patent ID: 6427462
Filing Date: 2002-08-06
Classification: H01L,Y02P

Abstract:
A semiconductor manufacturing facility provided with semiconductor manufacturing equipment generating heat during operation and a cooling apparatus (2) for cooling a heat generating part (1) of the semiconductor manufacturing equipment,said cooling apparatus (2) comprising: an inner fluid passage (21) formed so as to surround a periphery of said heat generating part (1) and having an inlet port (31) of cooling water on a vertically lower portion thereof; an outer fluid passage (22) communicated with the inner fluid passage (21) and having an outlet port (32) of the cooling water on a vertically upper portion thereof, the outer fluid passage being formed so as to surround a periphery of the inner fluid passage (21) and is capable of exchanging heat with the cooling water in the inner fluid passage; a communication passage (24) connecting a vertically upper portion of said inner fluid passage and a vertically lower portion of said outer fluid passage; and a cooling water supply facility which cools the cooling water flowing out of the outlet port (32) of said outer fluid passage (22) and supplies the cooling water to the inlet port (31) of the inner fluid passage (21).