single crystal sapphire

sin·gle crys·tal sap·phire

(sing'gĕl kris'tăl saf'īr)
Material composed of a crystalline aluminum oxide identical in structure to that of a sapphire gemstone; used as dental implant.
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Additionally, these single crystal sapphire substrates are key as the general illumination market begins to turn to LEDs to replace incandescent bulbs in favor of LEDs' durability, energy efficiency, enhanced aesthetics, and low-voltage operation.
A-Sapph[TM] substrates are comprised of an ultra-thin layer of single crystal sapphire (< 500 nm) that is bonded to a polycrystalline aluminum nitride support substrate.
A-Sapph[TM] substrates are comprised of a thin layer of single crystal sapphire (< 500 nm) that is bonded to a polycrystalline aluminum nitride support substrate.
Currently, he is studying the sintering behavior of nanoparticles of gold and iron oxide, and the mechanism of the conversion of polycrystalline alumina into single crystal sapphire for lighting applications.