1. Optical Transparency
Sapphire wafers exhibit excellent optical transparency, allowing light to pass through in both the visible and infrared spectra. This property makes them highly useful in applications such as laser technology, optical sensors, and optical windows.
2. Chemical Stability
Sapphire wafers demonstrate high resistance to many chemicals, maintaining stability even in harsh environments. This characteristic renders them widely applicable in chemical industries and biomedical applications.
3. High Thermal Conductivity
Sapphire possesses excellent thermal conductivity, facilitating the rapid transfer of heat to the surrounding environment. Therefore, sapphire wafers are employed as effective thermal management materials in high-power laser systems and high-temperature environments.
4. High Hardness
Sapphire is one of the hardest materials in nature, second only to diamond in hardness. Consequently, sapphire wafers exhibit high resistance to scratching and surface damage, making them highly suitable for applications requiring exceptional durability.
5. Optical Quality
Sapphire wafers possess excellent optical properties, such as high refractive index and low dispersion, making them suitable for manufacturing optical lenses and optical components.
These advantages collectively make sapphire wafers indispensable in various industries and applications, including semiconductor manufacturing, optoelectronics, aerospace, and research.
A Sapphire wafer is a thin, flat disc made from single-crystal sapphire, which is a variety of the mineral corundum (aluminum oxide). These wafers are typically grown using a method called the Kyropoulos process or the Czochralski method, which allows for the production of large, high-quality single-crystal boules of sapphire.
What is Sapphire?
Sapphire is a precious gemstone and a variety of the mineral corundum (aluminum oxide). It is most commonly known for its rich blue color, but it can occur in various other colors, including pink, yellow, green, purple, and colorless. The blue color is typically caused by trace amounts of titanium and iron within the crystal lattice.
Apart from its use as a gemstone, sapphire is also highly valued for its exceptional hardness and durability. In fact, sapphire is one of the hardest naturally occurring substances, second only to diamond on the Mohs scale of mineral hardness. This property makes sapphire highly resistant to scratching and abrasion, rendering it suitable for a wide range of industrial applications.
Sapphire wafers possesses excellent optical properties, including high transparency to visible and near-infrared light. This makes it valuable in various optical applications, such as lenses, windows, and laser components.
Sapphire wafer is also prized for its chemical stability, as it is resistant to most acids and alkalis, as well as high temperatures. These characteristics make it useful in industries such as aerospace, electronics, and watchmaking, where durability, clarity, and resistance to environmental factors are highly desirable.
The following is the general sapphire wafer size that our company（Shanghai Xinkehui New Material Co., Ltd.） can provide you with (if you have other sizes, shapes, thicknesses customized needs can feel free to contact us) :
