Invention Grant
US07872763B2 Device for measuring the position of at least one structure on a substrate 有权
用于测量衬底上至少一个结构的位置的装置

Device for measuring the position of at least one structure on a substrate
Abstract:
A device for measuring the position of at least one structure on a substrate is disclosed. The substrate to be measured is positioned in a mirror body. A flat insert is provided in the mirror body and is formed such that the substrate and the insert together always have the same optical thickness, irrespective of the mechanical thickness of the substrate.
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