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Journal of Polymer Engineering

Editor-in-Chief: Grizzuti, Nino

9 Issues per year


IMPACT FACTOR 2016: 0.658

CiteScore 2016: 0.64

SCImago Journal Rank (SJR) 2015: 0.251
Source Normalized Impact per Paper (SNIP) 2015: 0.462

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2191-0340
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Volume 37, Issue 2 (Feb 2017)

Issues

Effect of fillers on the metallization of laser-structured polymer parts

Andreas J. Fischer
  • Corresponding author
  • Institute of Polymer Technology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Am Weichselgarten 9, 91058 Erlangen-Tennenlohe, Germany
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  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Steve Meister
  • Institute of Polymer Technology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Am Weichselgarten 9, 91058 Erlangen-Tennenlohe, Germany
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Dietmar Drummer
  • Institute of Polymer Technology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Am Weichselgarten 9, 91058 Erlangen-Tennenlohe, Germany
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2016-06-08 | DOI: https://doi.org/10.1515/polyeng-2016-0055

Abstract

Molded interconnect devices offer great potential as a substitute for circuit boards, especially regarding three-dimensional shaping and functional integration. Applying circuits to polymer substrates can be performed by means of LPKF laser direct structuring® (LDS). There, the matrix polymer is filled with a special metal additive, enabling laser activation and subsequent metallization. Important effects emerge from additional inorganic fillers inside the matrix polymer, e.g. the (thermo)mechanical behavior and the processing properties. In this work, the degree to which inorganic fillers affect the quality of metallization is investigated. An increase in the plating thickness was successfully achieved by adding varying amounts of talc platelets (diameter 7 μm) to a PA10T-based copolyamide filled with 4 and 8 wt% LDS additive, in contrast to poor metal deposition adding only LDS additive. Additionally, talc and glass spheres with a diameter of 50 μm were used, leading to unsatisfactory metallization results. To explain this behavior, adhering LDS particles were found on the talc platelets with a diameter of 7 μm on the surface of the laser-structured specimen. The talc platelets and glass spheres of 50 μm were not available in sufficient dimensions on the surface and thus led to worse plating results.

Keywords: laser direct structuring; molded interconnect devices; plating; talc

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About the article

Received: 2016-02-08

Accepted: 2016-04-16

Published Online: 2016-06-08

Published in Print: 2017-02-01


Funding Source: Allianz Industrie Forschung

Award identifier / Grant number: IGF research project 16737 N

Allianz Industrie Forschung, (Grant/Award Number: “IGF research project 16737 N”).


Funding: Allianz Industrie Forschung, (Grant/Award Number: “IGF research project 16737 N”).


Citation Information: Journal of Polymer Engineering, ISSN (Online) 2191-0340, ISSN (Print) 0334-6447, DOI: https://doi.org/10.1515/polyeng-2016-0055.

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