Reducing atmospheres, such as hydrogen or disassociated ammonia, particularly with low dew-points, may remove the protective silicon oxide protection that forms on silicon carbide.

• 减少部分气体的含量，比如氢或者是分离出氨，尤其是少量水蒸气，可能会将碳化硅表面的二氧化硅保护涂层去除。