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Spectrums of plasma in laser welding aluminum alloy were measured through a transient spectrometer. Used Boltzmann diagrams, calculate the temperature of plasma, which were deduced from Mg I spectrum lines between 200 and 600 nm.
The effect of key factors such as beam quality, focal length, distance of beam propagating on the quality of laser beam focusing and how to optimize the focus system are discussed in this paper.
In this paper, we introduce a compact measuring system, to analyze microstructure force property. The system is specially designed in which a mechanical test machine, a PCB board based on an USB connection for device driving and data collection, and processing software were contained. This system can be used for measuring deformation characteristics of MEMS structures by bending method. To confirm...
Silicon-based MEMS techniques are very popular for the manufacture of micro parts. Only a limited number of materials can be processed by these techniques. As the rapid development of Selective Laser Sintering(SLS) in laser rapid prototyping field almost any material can be used. Laser Micro Sintering(LMS) was recently introduced in the fabrication of 3D MEMS parts. The main difference between SLS...
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