White Papers

Thank you for your interest in GT Advanced Technologies products and services. Below is a collection of thought leadership white papers. For more information regarding our products and technologies please contact a GT Advanced Technologies representative.

Sapphire

Quality to the Core - Ensuring Sapphire Crystal Quality for LED Applications (1.1 MB)
Sapphire is the preeminent material for LED epi-ready wafers because of its approximate lattice match to that of GaN, and its cost benefit relevant to that of native substrates. The growth of the LED market, driven by increasing demand for applications such as commercial and residential lighting, is increasing demand for low-cost, LED-grade sapphire to meet projected market growth in the coming years.

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