| 摘要 |
The present invention relates to an air knife for refining a magnetic domain of an oriented electrical steel sheet and an apparatus for refining a magnetic domain using the same. The air knife includes an air knife body and a slit. The air knife body is formed on a passageway of a laser irradiated on the steel sheet for refining a magnetic domain, injects air on the electrical sheet, and is installed on a flange. The slit is formed at the end of the air knife body and induces the air to flow. |
