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What are sapphire wafers used for? What is the difference between sapphire and silicon wafers?

[2024-08-26 14:53:34]

What is a Sapphire Wafer? A sapphire wafer is a thin slice of crystalline sapphire, a material that is widely known for its exceptional hardness and transparency. Sapphire, or aluminum oxide (Al₂O₃), is a crystalline form of corundum, and in its purest form, it is colorless and transparent. Sapphire ... Read More

Why do we need to do epitaxy on silicon wafer substrates?

[2024-08-26 13:14:26]

In the semiconductor industry chain, especially in the third-generation semiconductor (wide bandgap semiconductor) industry chain, the distinction between substrate and epitaxial layer is crucial. What is the significance of the epitaxial layer? What is the difference between it and the substrate? ... Read More

Can Sapphire Thermocouple Protection Tubes Replace Alumina and Ceramic Sheaths in High-Temperature, High-Pressure Environments?

[2024-05-30 16:55:39]

Sapphire thermocouple protection tubes and sapphire thermocouple sheaths can withstand high temperatures up to 2000 degrees Celsius and pressures up to 3000 bar, making them highly suitable for harsh environments such as chemical processing, petrochemical refining, and the glass industry. Compared ... Read More

Why do silicon carbide wafers exist C-plane and silicon plane?

[2024-05-24 17:08:47]

SiC is a binary compound formed by Si element and C element in 1:1 ratio, that is, 50% silicon (Si) and 50% carbon (C), and its basic structural unit is SI-C tetrahedron. For example, Si atoms are large in diameter, equivalent to an apple, and C atoms are small in diameter, equivalent to an orange, ... Read More

What is the TTV, Bow, Warp of silicon wafers?

[2024-05-24 16:15:29]

Wafer surface profile parameters Bow, Warp, TTV are very important factors that must be considered in chip manufacturing. Together, these three parameters reflect the flatness and thickness uniformity of the silicon wafer and have a direct impact on many key steps in the chip manufacturing process. ... Read More

Epitaxial sheet (EPI) and its application

[2024-04-29 17:03:17]

Epitaxial sheet (EPI) and its application Epitaxial sheet (EPI) refers to the semiconductor film grown on the substrate, which is mainly composed of P-type, quantum well and N-type. Now the mainstream epitaxial material is gallium nitride (GaN), and the substrate material is mainly sapphire. Silicon... Read More

Application and development trend of silicon carbide epitaxy.

[2024-04-12 15:58:28]

In this issue, we delve into the application, preparation process, market size and development trend of silicon carbide epitaxy. Epitaxy refers to the growth of a layer of higher quality single crystal material on the surface of silicon carbide substrate, and the growth of a layer of silicon carbide ... Read More

SiC helps to extend the range of electric vehicles

[2023-10-19 11:45:05]

SiC helps to extend the range of electric vehicles With the growing global demand for environmentally friendly and sustainable transportation, electric vehicles are becoming increasingly popular as a solution to reduce emissions and reduce dependence on oil. However, the range of electric vehicles ... Read More

Production and application of SiC epitaxial wafers

[2023-08-21 10:49:41]

SiC silicon carbide is a compound semiconductor material composed of carbon and silicon elements, which is one of the ideal materials for making high-temperature, high-frequency, high-power, and high-voltage devices. Compared to traditional silicon materials (Si), the bandgap width of silicon ... Read More

The fourth generation of semiconductors has arrived, can Ga2O3 replace SiC ?

[2023-08-16 10:54:29]

Key Semiconductor Raw Materials under Export Controls On August 1, 2023, the Ministry of Commerce and the General Administration of Customs of China officially implemented export controls on semiconductor raw materials gallium and germanium. There are various opinions in the industry regarding this ... Read More

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