Opticalprism

To keep production processes stable and deliver high throughputs of the required quality and consistency, evaporation materials play a crucial role. Our evaporation materials are produced to fulfill all key requirements.

For various types of optical coatings, evaporating thin film materials has been the production method of choice for many years now. Such coatings are needed e.g. in AR, for mirrors, or filters. Specifications can be extremely demanding, with tight spectral tolerances, low defect densities, and high durability requirements.

PVDcoating

Anti reflectioncoating

We offer evaporation materials that were carefully designed and developed to meet the strictest of requirements in optical thin film production.

Publication of Merck KGaA, Darmstadt, Germany. In the United States and Canada the subsidiaries of Merck KGaA, Darmstadt, Germany operate under the umbrella brand EMD.

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Opticalthin film

Arcoating

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Our Patinal® range comprises more than 40 evaporation materials, from fluorides to oxides, sulfides, and metals. Our suboxides are ideal for shorter melt preparation and special oxide mixtures are needed to fine-tune film stress and achieve the required deposits on plastic substrates. We also offer high-density oxide mixtures to help reduce processing times. Our products span the entire range of optical transparency from deep UV to far IR, making them ideal for use in a variety of specialist fields.

There are two different, unaffiliated companies that use the name MERCK. Merck KGaA, Darmstadt, Germany, which operates this website, uses the firm name "Merck KGaA, Darmstadt, Germany," in the United States and Canada, and also uses "EMD Serono" in biopharma, "MilliporeSigma" in life science and "EMD Electronics" in materials business. The other company, Merck & Co., Inc. holds the rights in the trademark MERCK in the United States and Canada. Merck & Co. is not affiliated with or related to Merck KGaA, Darmstadt, Germany, which owns the MERCK trademark in all other countries of the world. To reflect such fact and to avoid any confusion, certain logos, terms and business description of the publication on this website have been substituted or modified, such as by referring to "Merck KGaA, Darmstadt, Germany" instead of "Merck" standing alone. Publications on this webpage, therefore, slightly deviate from the otherwise identical versions accessible outside the United States and Canada.

Opticalfilter

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Optical coatingprocess

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Publication of Merck KGaA, Darmstadt, Germany. In the United States and Canada the subsidiaries of Merck KGaA, Darmstadt, Germany operate under the umbrella brand EMD.

We use cookies so that we can offer you the best possible website experience. This includes cookies which are necessary for the operation of the app and the website, as well as other cookies which are used solely for anonymous statistical purposes, for more comfortable website settings, or for the display of personalized content. You are free to decide in the Cookie Settings which categories you would like to permit. Please note that depending on what you select, the full functionality of the website may no longer be available. You may review and change your choices at any time. Further information can be found in our Privacy Statement.