| 摘要 |
The subject of the invention is a process for obtaining a substrate (1) provided on at least one of its sides with a coating (2), comprising a step of depositing said coating (2) then a step of heat treatment of said coating using a main laser radiation (4), said process being characterized in that at least one portion (5, 14) of the main laser radiation (4) transmitted through said substrate (1) and/or reflected by said coating (2) is redirected in the direction of said substrate in order to form at least one secondary laser radiation (6, 7, 18). |
