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AZ Electronic Materials was acquired by Merck KGaA, Darmstadt, Germany, a leading company for innovative and top-quality high-tech products in the pharmaceutical, chemical and life science sectors. In the United States and Canada the subsidiaries of Merck KGaA, Darmstadt, Germany operate under the umbrella brand EMD.
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AZ Chemical Shrink Formulations

EMD Performance Materials' shrink coatings (RELACs) are water based polymer products that are used to shrink openings defined by the photoresist pattern.
This product enables defined features to be shrunk by up to 60nm with existing lithography equipment. Therefore, with this product, 248nm or 193-dry technology can be extended to substantially lower feature sizes without investing in new scanner technology.
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