Patent ID: 6446353
Filing Date: 2002-09-10
Classification: B01J,B41J,C23C,H01L,Y10S

Abstract:
A vacuum processing apparatus, comprising:a cassette mount table for holding a cassette; a first conveyor structure for transferring a wafer from the cassette held on the cassette mount table; a vacuum loader provided with a vacuum conveyor chamber and a second conveyor structure in the vacuum conveyor chamber; and a lock chamber disposed between the first conveyor structure and the second conveyor structure, wherein: the first conveyor structure is disposed between the cassette mount table and the lock chamber and in front of the 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 an inlet of the lock chamber, the lock chamber is provided with both the inlet and an outlet, which are located in a horizontal line, and the second robot is disposed in the vacuum conveyor chamber of the vacuum loader and provided with an arm extendable into the lock chamber, and the vacuum loader is provided with a gate for a vacuum processing chamber to be connected with the vacuum conveyor chamber.