Simulation and experimental investigation for the 2D and 3D laser direct structuring process

Bachy, Bassim; Süß-Wolf, Robert; Kordass, Timo; Franke, Jöerg

doi:10.1007/s00170-016-9173-4

Cited by 5 publications

(2 citation statements)

References 13 publications

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“…Increasing the speed of the laser causes a decrease in the cumulative laser energy, which in turn reduces the thermal effect on the polymer surface, while leading to an increase in the movement of the laser beam. [ 54 ] At high speeds, the opened beam distances cause uncovered areas in small‐diameter lasers, resulting in disconnected metallization areas (Figure 4h,i). A decrease in frequency increases this effect and also leads to a decrease in fluence, which cannot provide sufficient activation.…”

Section: Resultsmentioning

confidence: 99%

Optimization of Laser Direct Structuring Process Parameters for Material Extrusion of Polycarbonate

Akagündüz,

Soylemez

2023

Adv Eng Mater

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Laser direct structuring is critical in the integration of circuits onto 3D‐shaped plastic parts, such as antennas and RF components. Laser direct structuring process encompasses three stages: deposition of 3D parts, laser structuring, and metallization. While laser direct structurable parts have been manufactured through plastic injection molding, material extrusion is a favored additive manufacturing process for economic low‐volume production and fast prototyping advantages. Although injection‐molded laser direct structuring literature is available, 3D printed laser direct structured components merit further investigation. This study focuses on material extrusion of catalyst‐loaded polycarbonate parts and its laser direct structuring process. Parameters from the nanosecond fiber laser, including scan speed, power, and frequency, were thoroughly analyzed to understand the surface property changes and metallization performance of the printed polycarbonate parts. The single scan track width corresponds to the accuracy of conductive path width and metallization thickness, was employed to elucidate the findings. A process map was built to keep the track width constant aimed at enhancing the uniform metallization of intricate components. Thresholds were established, identifying a minimum track width of 22.1 µm and metallization thickness of 2.5 µm. These delineate clusters of process parameters that yield conductivity levels suitable for various applications.This article is protected by copyright. All rights reserved.

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Section: Resultsmentioning

confidence: 99%

Optimization of Laser Direct Structuring Process Parameters for Material Extrusion of Polycarbonate

Akagündüz,

Soylemez

2023

Adv Eng Mater

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“…The technology provides more reliable and lower-cost alternatives for electrical design modification and electrical component miniaturization without practical restrictions on 3D designs. 10,11 Electroless plating, also known as chemical or auto-catalytic plating, is a nongalvanic plating method involving several simultaneous reactions in an aqueous solution, which occur without the application of external electrical power. LDS and subsequent electroless plating substrates must contain special filler of so-called laser-activate particles (LAPs), such as organometallic complexes or metal oxide compounds.…”

Section: Introductionmentioning

confidence: 99%

Highly dispersible laser activate particles via surface modification for laser direct structuring and electroless plating application

Kim

Ryu

Kim

2018

Journal of Composite Materials

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A composite of laser-activate particles and the super engineering plastic of polyphenylene sulfide was fabricated via melt-mixing. The laser-activate particle surfaces were modified using hydroperoxide and three different silane coupling agents. The laser-activate particles dramatically deteriorate the mechanical properties of polyphenylene sulfide because of its low compatibility with the polymer. However, surface modification, especially via amino silane treatment, effectively prevented the degradation of thermal and mechanical properties upon adding laser-activate particle, while modification with phenyl silane had the reverse effect. In order to confirm the different effects, solubility parameters obtained by theoretical calculation via the group contribution method were compared. Thermally and mechanically enhanced laser-activate particle/polyphenylene sulfide composites were fabricated for laser direct structuring and electroless plating applications.

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Laser micro-drilling process: experimental investigation, modeling based on RSM-BBD tool and multi-criteria optimization

Bachy

2023

J Braz. Soc. Mech. Sci. Eng.

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Simulation and experimental investigation for the 2D and 3D laser direct structuring process

Cited by 5 publications

References 13 publications

Optimization of Laser Direct Structuring Process Parameters for Material Extrusion of Polycarbonate

Optimization of Laser Direct Structuring Process Parameters for Material Extrusion of Polycarbonate

Highly dispersible laser activate particles via surface modification for laser direct structuring and electroless plating application

Laser micro-drilling process: experimental investigation, modeling based on RSM-BBD tool and multi-criteria optimization

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