Back to results
US 2026/0273656 A1Published application
Laser welding apparatus and laser welding method
AssigneeKabushiki Kaisha Toshiba
InventorTetsuo SAKAI
Life of this patent
Estimating the term…
Abstract
A laser welding apparatus includes a laser beam source configured to emit a laser beam, a first lens configured to convert the laser beam into a parallel laser beam, a second lens configured to focus the laser beam on a processing target, and an optical element that is provided in an optical path between the first lens and the second lens and configured to change a beam profile of the laser beam.
Claims20
A laser welding apparatus comprising:
- a laser beam source configured to emit a laser beam;
- a first lens configured to convert the laser beam into a parallel laser beam;
- a second lens configured to focus the laser beam on a processing target;
- and
- an optical element that is provided in an optical path between the first lens and the second lens and configured to change a beam profile of the laser beam.
2 more elements
A laser welding method comprising:
- emitting a laser beam;
- converting the laser beam into a parallel laser beam;
- converting the parallel laser beam into a main beam at a center optical axis of the parallel laser beam and at least one sub-beam separated from the main beam;
- and
- focusing the main beam and the at least one sub-beam onto a processing target for welding.
2 more elements
Dependencies are inferred from the claim text.