Patent ID: 8622368

Claim:
Flap transfer valve for the transfer of semiconductor elements or substrates into a semiconductor or substrate processing process chamber which can be isolated in a gas-tight manner, having an elongated first opening, which extends along a first longitudinal axis and is surrounded in the form of a frame by a first sealing surface which lies on a first sealing plane, wherein the entire first sealing surface lies on the first sealing plane, an elongated valve closure beam, which extends along a second longitudinal axis, which is parallel to the first longitudinal axis, and which has a closure surface on a front face for closing the first opening, and has a second sealing surface, which corresponds to the first sealing surface, that can be brought into gas-tight contact with the first sealing surface, and is located in the edge area of the closure surface and on a second sealing plane, at least one support on a rear face, which is opposite the front face, of the valve closure beam, wherein the valve closure beam is arranged such that it can pivot through a limited pivoting angle about a tilting axis, which is parallel to the second longitudinal axis, via a pivotable connection on the support, and a pivoting bearing, by means of which the support, together with the valve closure beam, can pivot about a pivoting axis, which is parallel to the second longitudinal axis, between a closed position, in which the closure surface of the valve closure beam covers and closes the first opening, and in which the first sealing surface and the second sealing surface are in gas-tight contact on the common first sealing plane and second sealing planes—by exertion of a force which is applied to the rear face by means of the support, and an open position in which the valve closure beam is pivoted away from the first opening and at least partially releases the first opening, wherein the pivoting axis lies essentially on the first sealing plane, and the tilting axis lies essentially on the second sealing plane.