Sapphire rod is a transparent single-crystal alumina material, which has excellent chemical stability and excellent mechanical, thermal, and optical properties. As raw materials, its performance is much better than glass, quartz, and other mass-produced transparent materials.
|The Thermodynamic Property|
|Thermal Conductivity at 20℃||W/m?k||42|
|Speci?c Heat Capacity||J/(g?K)||0.75|
|Dielectric Constant at 20℃||MHz||9.3|
|Dielectric Loss at 20℃||MHz||<1.4x10-4|
|Volume Resistivity at 20℃||Ω?cm||>1.0x1014|
|Volume Resistivity at 500℃||Ω?cm||1.0x1011|
|Index of Re?ection|
-High Strength, High Rigidity, High Anti-Abrasion, High Anti-Heat, High AntiCorrosion Characteristics, and High Anti-Plasma Characteristics.
Because of these characteristics, Single Crystal Sapphire is widely used for precision mechanical parts.
-Stable Dielectric Constant, Very Low Dielectric Loss, Good Electrical Insulation.
Single Crystal Sapphire is used as a material for substrates in super-high frequency regions. It is also used as an insulation material and microwave window. Single Crystal Sapphire has become indispensable in the Electronics Industries.
-Excellent Light Transmission.
Single Crystal Sapphire is used for various kinds of vacuum equipment, windows in reaction furnaces, scanner windows, and caps for optical communication due to its excellent mechanical characteristics and heat resistance.
-Good Thermal Conductivity and High Heat Resistance.
Excellent thermal conductivity at low temperatures allows Single Crystal Sapphire as a transparent material to be used in many diverse fields requiring thermal conduction and heat radiation.
(1)High Brightness LED
(2)HB-LED Semiconductor, Piezoelectric Semiconductor, Superconductor, Thin Film Substrate.
(3)MR Sensor, Precision Resistor
(5) Thin Film HICO
Single Crystal Sapphire is a widely used substrate material for blue, green, ultraviolet, and white LEDs. It has excellent features as a base substrate for GaN deposition and great mass productivity. In addition, it can meet future larger-size demand.
Single Crystal Sapphire is used as a base substrate in thin film deposition because its lattice alignment matches a variety of semiconductor materials combined with excellent thermal and chemical stability.
SAM’s Sapphire Rod is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.