Transcription of Resists and Developers - MicroChemicals
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Resists and Developers - MicroChemicals
Resists andDevelopersRevised: 2013-11-07 , wafers, plating solutions, etchants and solvents ..Phone: +49 731 977343 0 Negative or Image Reversal Resists ?Positive Resists forman indene carobylicacid during exposuremaking them soluble inaqueous alkalinesolitions. Thereforepositive Resists developwhere they have beenexposed, while the un-exposed areas remainon the substrate. Sincepositive Resists do notcross-link, the resiststructures rounden be-yond their softeningpoint of typically 100-130 Resists such as the AZ nLOF 2000 series or the AZ 15 nXT or 125 nXT cross-linkafter exposure and (not required for the AZ 125 nXT) a subsequent baking step, while theunexposed part of the resist is dissolved in the developer .
Resists and Developers Revised: 2013-11-07 Source: www.microchemicals.com/downloads/application_notes.html Photoresists, wafers, plating …
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