| 摘要 |
In order to determine geometric structures and/or material parameters on or in substrates and in a locally resolved manner over the substrate surface, the invention provides the following measures: Measuring reflection and/or transmission light intensity values of the diffracted light according to the wavelength; calculating the reflection and/or transmission light intensity values using an iteration model into which the individual layer-structure and/or material parameters enter, and; modifying the parameters until the measured and calculated values coincide to the greatest possible extent.
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