石英炉管及其处理方法
本发明涉及光伏电池领域,尤其涉及一种石英炉管及其处理方法。其中,石英炉管包括管体,该管体的内壁上设置应力过渡层。应力过渡层包括依次层叠于内壁上的内层和外源硅层,内层的热膨胀系数小于外源硅层的热膨胀系数,且内层的热膨胀系数大于等于管体的热膨胀系数。实施本发明,可减少石英炉管内壁膜层的破裂、掉落,提升电池片的制造良率,延长印刷网版的使用寿命。
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