Patent ID: 8048227
Filing Date: 2011-11-01
Classification: C23C

Abstract:
1. A compensation plate used in a film coating device, the compensation plate comprising: an elongated main body defining a plurality of curved guiding slots, the guiding slots arranged in pairs, each pair of guiding slots arranged along the arc of an imaginary circle, and the pairs of guiding slots arranged in sequence from one end of the main body to an opposite end of the main body; a plurality of moveable blades connected to the main body, the moveable blades arranged in pairs spatially corresponding to the pairs of guiding slots, each of the moveable blades defining two through holes corresponding to one of guiding slots, and each moveable blade having a curvature matching the curvature of the corresponding guiding slots; and a plurality of connectors engaged in the though holes and slidably engaged in the guiding slots for holding the moveable blades to the main body, wherein each pair of the connectors is slidable along the corresponding guiding slots in unison with sliding of the corresponding moveable blade relative to the body, and each connector of the pair of the connectors is fastenable such that the connector fixes the corresponding moveable blade in position relative to the main body.