Semiconductor packaging inspection: 405nm laser can penetrate semiconductor packaging materials, and 500mW power can realize defect detection of internal solder joints and circuits in the package (such as cold solder joints, broken wires).

Laser engraving (small parts): Used for fine engraving of small non-metallic parts such as acrylic and wood, such as the processing of customized badges and miniature crafts.

Biomedical diagnosis: For example, as the light source of flow cytometers, it excites fluorescent labels on cell surfaces, and 500mW power ensures signal intensity and detection sensitivity.