发明申请
US20040137831A1 Pad constructions for chemical mechanical planarization applications 有权
用于化学机械平面化应用的垫结构

Pad constructions for chemical mechanical planarization applications
摘要:
The present invention is directed to an abrasive article comprising a fixed abrasive layer and a subpad. The fixed abrasive element is co-extensive with the subpad. The subpad comprises a resilient element. The resilient element has a Shore A hardness of no greater than 60 as measured using ASTM-2240.
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