Sites to be measured on a device that is to be fabricated using at least one fabrication process, are selected based on a pattern-dependent model of the process. A metrology tool to measure a parameter of a semiconductor device includes a control element to select sites for measurement based on a pattern dependent model of a process with respect to the device. Problematic areas, within a chip or die and within a wafer, are identified that result from process variation. The variation is identified and characterized, and the location of each site is stored. The sites may be manually entered into a metrology tool or the method will automatically generate a measurement plan. Process variation and electrical impact are used to direct the measurement of within-die and wafer-level integrated circuit locations.

 
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> Field-effect transistors with weakly coupled layered inorganic semiconductors

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