Patent ID: 6505415
Filing Date: 2003-01-14
Classification: B01J,B41J,C23C,H01L,Y10S

Abstract:
A vacuum processing apparatus, comprising:a cassette mount table for holding at least one cassette; a first conveyor structure for transferring a wafer from a cassette held on the cassette mount table; a vacuum loader provided with a second conveyor structure and a vacuum processing chamber; and at least one lock chamber disposed between the first conveyor structure and the second conveyor structure and having the inlet and outlet thereof in a horizontal line; wherein the first conveyor structure is disposed between the cassette mount table and the at least one lock chamber and in front of the at least one lock chamber, the first conveyor structure and the second conveyor structure are respectively provided with a first robot and a second robot, and the first robot is shiftable in a direction perpendicular to the direction of the surface of an inlet of the at least one lock chamber; and wherein first robot faces to a set of wafers disposed in the cassette and transfers the wafers one by one to one of the at least one lock chamber, and the second robot is disposed in a conveyor chamber of the vacuum loader so as to face the at least one lock chamber.