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ADVANCED PROCESS CONTROL (APC) OF COPPER THICKNESS FOR CHEMICAL MECHANICAL PLANARIZATION(CMP) OPTIMIZATION
ADVANCED PROCESS CONTROL (APC) OF COPPER THICKNESS FOR CHEMICAL MECHANICAL PLANARIZATION(CMP) OPTIMIZATION
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机译:铜厚度的先进过程控制(APC)用于化学机械平面化(CMP)优化
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摘要
A method is provided that comprises forming a copper seed layer (335) on a workpiece (300) and measuring the uniformity of the copper seed layer (335) on the workpiece (300). The method further comprises applying the uniformity measurement to modify processing to form a copper layer (425) having a desired uniformity profile for increased planarization in subsequent planarizing.
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