| 摘要 |
The method involves removing and/or adding and/or moving a material on a movable micromechanical component by using a laser or picolaser (2) to carry out micromachining and/or micromelting of the material or an added material, for vaporizing and/or moving and/or welding the material, under the effect of a pulse from the laser or picolaser. The pulse is controlled using a driving unit (3) to generate, sequence, and interrupt the pulse, and to drive movements of a beam (20) of the laser or picolaser, where the driving unit is connected to or controlled by a measurement or comparison unit (4). Independent claims are also included for the following: (1) a balance and spring assembly for a timepiece, comprising a counterweight (2) a device for adjusting oscillation frequency and/or inertia and/or balance of a movable component in a clock movement or a balance and spring assembly of a timepiece, comprising a laser source.
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