Science of Silicon

Pure poly silicon is the ideal material for use in semiconductor thermal processes. Neither quartz nor silicon carbide can match the purity or the improved process results achieved by SiFusion’s poly silicon products.

Poly silicon is a high strength structural material with excellent high temperature stability. It is ideal for extremely high furnace temperatures because, unlike silicon carbide, it is non-porous and non-absorbing, and because its Coefficient of Thermal Expansion matches that of the wafer. Additionally, poly silicon’s elemental purity is measured in parts per billion and parts per trillion, compared to quartz and silicon carbide, which are measured for purity in parts per million.

• Physical Properties of Silicon
• Strength Comparison