Laser modification of properties of materials and elements for electronics

Ryszard Pawlak; Franciszek Kostrubiec; Mariusz Tomczyk; Maria Walczak

doi:10.1117/12.622611

11 October 2005 Laser modification of properties of materials and elements for electronics

Ryszard Pawlak, Franciszek Kostrubiec, Mariusz Tomczyk, Maria Walczak

Proceedings Volume 5958, Lasers and Applications; 59581W (2005) https://doi.org/10.1117/12.622611
Event: Congress on Optics and Optoelectronics, 2005, Warsaw, Poland

Abstract

Applying of laser technologies offer many new possibilities for achieving conducting materials with modified properties. Laser processes also allow microfabrication of elements of dimension in micrometer scale. The modified materials and elements were obtained by special using of such a laser technologies as rapid remelting, microalloying, removing of material. For some cases, the required energetic parameters of the laser beam have been established and especially developed technological ideas have been presented. Microstructure evolution and phase identification of treated materials was investigated by means of optical and scanning microscopy and X-ray microanalysis. It has been shown that in these technological processes it was possible to achieve conducting materials with changed properties, among other things with modified electrical resistivity. In selected cases it was also possible 3_D shaping of modified elements. The results of investigations were applied for laser welding of joints in power devices, laser microsoldering of IC on PC-board, producing some contact materials.

Citation Download Citation

Ryszard Pawlak, Franciszek Kostrubiec, Mariusz Tomczyk, and Maria Walczak "Laser modification of properties of materials and elements for electronics", Proc. SPIE 5958, Lasers and Applications, 59581W (11 October 2005); https://doi.org/10.1117/12.622611

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