HeraGlaze® is a high purity, high density SiO2-barrier coating, which prevents thermally induced impurity transfers from the crucible surface into the Si-ingot without increase of oxygen permeation during the crystallization process. The enhanced quality of the Si-ingot results in improved carrier lifetime leading to significant higher cell efficiencies.
HeraBind is a high purity SiO2 binder , that can help to densify Si3N4 layer and enhance the performance of HeraGlaze®.
CCz quartz glass ring
- Used during CCz process.
- Help to avoid the diffusion of impurities.
- Good lifetime assured by advance manufacturing technology and good thickness.
- Heraeus quartz material grades are qualified at major players in the semiconductor and photovoltaic industry.
- It is a specialty of Heraeus to be able to supply tubes made by various production routes and of different material grades.
- Quartz glass tubes are either drawn in a cost efficient single step process or a very flexible multi step process.