| 摘要 |
A marking method for forming a mark on the surface of an object to be marked by putting together the object of, e.g., a transparent body on which a pattern of characters, etc. are formed, and a marking material, and scanning the marking material with a laser beam, comprising a first step of irradiating the marking material with a laser beam of a first laser power and evaporating the marking material to form a deposit of the marking material on a predetermined portion of the object, and a second step of removing or modifying the deposit by irradiating the deposit with a laser beam of a second laser power. Steel or stainless steel is used as the marking material. |
