Silicon metal powder
Silicon Metal Powder for Electronics
Silicon metal powder is a key material used in the electronics industry. It is commonly used to produce various electronic components, such as diodes, transistors, and integrated circuits. The p...
DESCRIPTION
Silicon metal powder is a key material used in the electronics industry. It is commonly used to produce various electronic components, such as diodes, transistors, and integrated circuits.
The production of silicon metal powder involves several steps. First, silica is extracted from sand or quartz using a chemical process. Then, the silica is reduced with carbon at high temperatures to produce silicon metal. The silicon metal is then ground into a fine powder using a ball mill or other similar equipment.
The purity of the silicon metal powder is critical to its performance in electronics applications. The powder must be free from impurities, such as oxygen, carbon, and other metals, which can affect its electrical properties. The purity of the silicon metal powder is typically expressed as a percentage of the total impurities present, with higher purity materials being more expensive.
In electronics applications, the silicon metal powder is often further processed into a wafer form and then used to produce integrated circuits and other electronic components. The properties of the silicon metal powder, such as its conductivity and thermal properties, are critical to the performance of these electronic devices.
- Purity: >99.9%
- Particle Size: 1-50 microns
- Specific Surface Area: 2-20 m2/g
- Density: 2.32 g/cm3
- Melting Point: 1414°C
- Boiling Point: 3265°C
- Color: Dark Gray
- Conductivity: 0.01 ohm-cm (at 25°C)
- Thermal Conductivity: 148 W/mK (at 25°C)
- Coefficient of Thermal Expansion: 2.6×10^-6/°C (at 25°C)
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