supported by the Science Fund for Creative Research Groups (Grant No. 51021064);the National Natural Science Foundation of China (Grant No. 51205226);the China Postdoctoral Science Foundation (Grant No. 2012M510420)
A finite element analysis(FEA)model is developed for the chemical-mechanical polishing(CMP)process on the basis of a 12-in five-zone polishing head.The proposed FEA model shows that the contact stress non-uniformity i...