Patent ID: 8535496

Claim:
A sputter-coating apparatus for forming coatings on a plurality of workpieces, comprising: a deposition chamber defining a cavity; a plurality of targets received in the cavity, each target comprising a first target plate and a second target plate opposite to the first target plate; and a plurality of supporting assemblies each respectively received in the cavity arranged between the first target plates and the second target plates, wherein each supporting assembly comprises: a hollow cylindrical rotating post for rotating about a first axis substantially parallel to a lengthwise direction thereof, the post defining an interior chamber; at least one support radially extending from an outer circumferential surface of the post, each support comprising a connecting arm rotatably connected to the post and a fixing portion attached to the connecting arm for supporting a workpiece; and at least one driving unit entirely received in the interior chamber and configured for driving each connecting arm to rotate relative to the post about a second axis.