kind of pattern can you get by exposing light through following quartz photomask to the Si wafer coated with negative and positive tone? Please draw pattern for each wafer. Cr Quartz Negative tone PR coated Si wafer Positive tone PR coated Si wafer

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Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.