Why Use Sapphire Substrate for LEDs?
Sapphire is widely used as a substrate for GaN-based LEDs because it is thermally stable, electrically insulating, mechanically durable, and available with consistent crystal orientation.
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Plutosemi Co., Ltd
Founded in 2019 and based in Foshan Nanhai, Plutosemi Co., Ltd. specializes in high-performance semiconductor materials. As an industry leader, we offer advanced production capabilities and high-quality products such as silicon wafers and SOI, featuring high precision for diverse applications. Our one-stop services and customized solutions meet specific customer needs. Widely used in China, Europe, and the USA, we maintain strong partnerships with renowned international companies, upholding the philosophy of "Customer First, Quality Foremost".
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The company maintains industry-leading standards with certifications in high-performance semiconductor materials R&D, production, and sales, supporting its position as a leader in the semiconductor materials sector.
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How Is Sapphire Ingot Grown?
Sapphire ingot is grown by melting high-purity aluminum oxide and allowing it to solidify around an oriented seed crystal under carefully controlled thermal conditions. The objective is to produce a large single crystal with the required orientation, low internal stress, uniform composition, and minimal bubbles, inclusions, cracks, or dislocations.
What Industries Use Sapphire Wafers?
Sapphire wafers are used in industries that require optical transparency, electrical insulation, mechanical hardness, chemical resistance, or stable operation at elevated temperatures. Their applications extend beyond LED production into optics, RF electronics, sensors, MEMS, medical equipment, and research.