Patent ID: 11959190
Assignee: AIXTRON SE
Field: Surface technology, coating (Chemistry)
Classification: CPC C | IPC C  H

Claim 14:
15. A device for attaching a susceptor (31) of a chemical vapor deposition (CVD) reactor to a drive shaft (40), the device comprising:
a support plate (2) with a bearing surface (5), on which a supporting face (32) of the susceptor (31) rests, wherein the support plate (2) comprises gas channels (23) interconnecting gas inlet openings disposed on a lower face (2′) of the support plate (2) with gas outlet openings (24) of the bearing surface (5);
a flange element (4);
a base plate (3) that is connected by the flange element (4) to the drive shaft (40);
releasable means of attachment (7, 8, 9) for attaching the base plate (3) to the flange element (4) and supporting the supporting plate (2) in an adjustable position to the base plate (3); and
a seal (21) inset in a cavity (43) of an extension (42) extending from a lower face (2′) of the support plate (2), wherein the seal (21) rests on an end face of the drive shaft (40), wherein the seal (21) has gas passage openings (22) that are aligned with the gas inlet openings of the support plate (2), and wherein the seal (21) comprises a flexible material.