High-Precision PCB Topologies Formation by Selective Laser Micromachining

Author:

Chkalov Ruslan V.1,Chkalova Darya G.1

Affiliation:

1. Vladimir State University Named After Alexander and Nikolay Stoletovs

Abstract

The paper considers possibility of using laser radiation to form and correct printed circuit topology boards through micromachining. Processes arising from the interaction of ultrashort laser pulses with processed thin-film coatings are considered. The dependence of the effect of a variable sequence of laser pulses on the quality of the formed holes in coating is presented. Experimental data on the selection of optimal exposure modes of femtosecond radiation on a multilayer coating for selective ablation are presented. Femtosecond laser micromachining allows the precision formation of topological contours, regardless of treated coating type, its thermal and electric conductive properties.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Reference19 articles.

1. V.P. Bessmel'tsev and E.D. Bulushev, Optimization of laser micromachining regimes (review). Avtometriya 50 (2014) 3-21.

2. V.P. Bessmeltsev, Problems of creating automated laser micromachining complexes, Interexpo Geo-Siberia 5 (2013) 1-5.

3. N.A. Lyabin, L.V. Lyapin, S.S. Semenyuk, V.I. Klimenko, V.S. Paramonov and G.M. Paramonova, Application of precision laser micromachining technology in prototyping and production of LTCC multilayer ceramic boards for microwave electronics products, Elektronnaya tekhnika, 15, 2014.

4. D.N. Radish and V.A. Parfenov, Laser micromachining in the production of thin-film solar modules, Izvestia SPbGETU LETI. 8 (2016) 24-29.

5. V.P. Bessmeltsev, N.V. Goloshevsky and K.K. Smirnov, Dynamic correction hardware and software for controlling laser micromachining systems based on complementary scanners, Bulletin of Computer and Information Technologies. 3 (2009) 48-52.

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