Quartz Properties:
Permeability
Fused quartz is a symbol of resilience, impervious to most gases, yet allowing elements like helium and hydrogen to subtly pass through. As temperature and pressure rise, this interaction reflects how even the strongest materials—and people—are shaped by their environments, pushing us to grow and excel.
Estimated Permeability Constants Through Fused Silica at 700°C
The chart to the right shows the rate of dissolution of fused quartz in hydrofluoric acid at room temperature.
Diffusion Through Quartz
For semiconductor applications, the diffusion of various ions through the quartz is of critical importance. The attached table shows the time for various ions to diffuse through different thicknesses of quartz. These calculated values are based on the diffusion coefficient and a temperature of 1000°C.
