Patent ID: 6796763
Filing Date: 2004-09-28
Classification: H01L,Y10S

Abstract:
A clean transfer method using a clean box comprising: a box body having an opening in a bottom; a lid member for closing said opening; an annular groove formed so as to surround said opening on at least one of said box body and said lid member to define a suction space sealed between said lid member and said box body when said lid member is mounted on said box body; and an intake/exhaust port for allowing vacuum exhaust/release of said annular groove from the outside the clean box, comprising the steps of:disposing the clean box, sucked by vacuum discharging said annular groove, on a load port of a clean device whose interior is kept under a clean environment and having a box lid opening/closing mechanism for opening/closing the lid member of the clean box, so that said lid member and the box lid opening/closing mechanism on the side of the load port are aligned to confront with each other with said lid member facing downward; releasing vacuum in the suction space through said intake/exhaust port by a mechanism for releasing the vacuum provided on the load port to thereby open said lid member; and picking up an article to be transferred within the clean box and moving the article to the clean device.