Patent attributes
Systems and methods are provided for use in processing and/or grinding wafers or other work products. Some embodiments provide a grinding apparatus that comprise a base casting; a rotary indexer configured to rotate within the base casting; a work spindle secured with the rotary indexer; a work chuck coupled with the first work spindle, wherein the first work spindle is configured to rotate the first work chuck; a bridge casting secured relative to the base casting, wherein the bridge casting bridges across at least a portion of the rotary indexer and is supported structurally forming a closed stiffness loop; a grind spindle secured with the bridge casting; and a grind wheel cooperated with the grind spindle, wherein the bridge casting secures the grind spindle.
