| 摘要 |
A laser module 12 is provided with: a laser element 1 that emits laser light; blocks 3 on which the laser element 1 is mounted; and a base body 7 to the main surface 7a of which the blocks 3 are fixed via solder. Laser marks 7G that limit the spread of the solder are provided on the main surface 7a toward the outer side of the blocks 3. |
