The DFL Ventus Trimmer is an innovative laser device based on an ytterbium-doped fiber laser. It has an air-cooled supply unit and a laser head with an integrated vision system. The supply unit is equipped with a trim module interface that enables communication with the measurement technology.
The vision system offers an optical resolution of approx. 9µm/pixel with an image size of approx. 9x9mm². The scanner mirrors can be used to detect and trim individual resistors or parts of a circuit. The AOI plug-in allows image acquisition and image processing with a single software program that controls the entire trimming process.
All laser systems are equipped with a safety device (SD) certified to EN ISO 13849 in accordance with the requirements of functional safety, thus guaranteeing the user the highest possible protection against malfunctions and a safe condition of their laser system. (EN 13849 PLe Cat. 4).
Resistive components are sometimes fine-tuned to the application directly in the circuits in which they are implemented. The exact conductance of the resistor is realized with the so-called passive adjustment. Functional parameters of a switching group are realized by means of active adjustment. The laser beam removes the resistor layer without damaging the ceramic base body, or the specific conductance is reduced by a targeted laser cut in the resistor material and the resistance value is increased.
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