Drilling of microsurgical needles
Lasers in the NA series are single-shot drill lasers. They were developed to drill precise blind holes using a single pulse with an aspect ratio of up to 1:30. Their main application is the production of medical needles with a productivity rate of up to 5 needles per second.
Pulsed laser drilling is a thermal processing technique. As a result of the high energy depth, the strongly focused beam melts and evaporates the material. As an outcome of the resulting steam pressure, particles are flung from the drill hole. Only pulsed lasers achieve the performance and energy depths required for this.