A double side grinding apparatus comprises a pair of grinding wheels (4), work rotating device (1) and moving device (2). The apparatus operates to bring the grinding faces (4a) into contact with the respective work surfaces (a) to advance each grinding face to the position of a predetermined depth of...http://www.google.de/patents/US6726525?utm_source=gb-gplus-sharePatent US6726525 - Method and device for grinding double sides of thin disk work
