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Methods for Obtaining Complex Monolithic Sapphire Units and Large-Size Crystals

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Sapphire

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Abstract

The present-day state of crystal growth technologies makes it possible to obtain sapphire products of rather large size and complex configuration. However, demand has arisen for super-large sapphire crystals and complex single-piece units, which cannot be grown in practice but must be assembled from separate components. In addition, sapphire-metallic and sapphire-ceramic joints are demanded, the main requirements for which include vacuum, electrical, and mechanical strength, high transparency, wear resistance, chemical stability, and so forth.

Naturally, the opportunity to increase the size of grown crystals is limited. In the next few years, there clearly will be a rise of some 10–15%. However, the growth of these crystals may turn out to be economically inexpedient. So, a search has begun for new technologies yielding large-size crystals and units based on the fabrication of single-piece joints.

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Authors and Affiliations

  1. Rubicon Technology, Franklin Park, IL, USA

    Elena R. Dobrovinskaya

  2. Scientific Technological Complex, Institute for Single Crystals, Kharkov, Ukraine

    Leonid A. Lytvynov

  3. Gavish, Ltd., Sapphire Products, Omer, Israel

    Valerian Pishchik

Authors
  1. Elena R. Dobrovinskaya
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  2. Leonid A. Lytvynov
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  3. Valerian Pishchik
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Dobrovinskaya, E.R., Lytvynov, L.A., Pishchik, V. (2009). Methods for Obtaining Complex Monolithic Sapphire Units and Large-Size Crystals. In: Sapphire. Micro- and Opto-Electronic Materials, Structures, and Systems. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-85695-7_8

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