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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 Photoresists

Photoresists are light-sensitive materials used in several industrial processes, such as photolithography and photoengraving to form a patterned coating on a surface. Photoresists are either positive tone or negative tone and most pervasively used in the manufacture of flat panel displays.
Materials for the flat panel display industry can also be used for a wide variety of processes. Applications extend beyond the 5th generation spin coating, into advanced slit-coating processes. Materials are also available for roller coating and extrusion coating.
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