Patent ID: 6766895
Filing Date: 2004-07-27
Classification: H01L,Y10S

Abstract:
A work conveying system comprising a work holding means for holding a workpiece and a horizontal moving means for moving said work holding means horizontally in an upper ceiling space within a clean room, among plural processing stations; wherein said horizontal moving means has at least one linear moving mechanism, said linear moving mechanism comprising:a duct defining a traveling path and having a guide in the interior thereof, said duct having an elongated gap defined between opposing edges of said duct and extending along the length of said duct; a traveling body engaged with said guide for travel along said traveling path; a slider exterior to said duct and connected to said traveling body for travel together with said traveling body, said work holding means or another linear moving mechanism being attached to said slider; a connecting member connecting said slider to said traveling body and extending through said elongated gap in said duct for travel along said traveling path; and folding sealing means biased to extend and to normally cover said elongated gap without obstructing the travel of said connecting member.