&lt;title&gt;Excimer micromachining for texturing silicon solar cells&lt;/title&gt;

Ortabasi, U.; Meier, Daniel; Easoz, J. R.; Schaeffer, Ronald D.; Stepanova, Maria; Ho, Wen-Jeng; Stokes, J.; Dummer, R. S.; Jafolla, James C.; McKenna, P.

doi:10.1117/12.270014

Cited by 2 publications

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“…The use of a laser beam allows direct writing of the texture patterns, use of masks (Ortabasi et al, 1997), or diffractive optics (Huang et al, 2010) to generate patterns on the surface. Direct writing with the laser beam is the most flexible among the listed, since the same optical chain can be manipulated to work on different materials and patterns.…”

Section: Introductionmentioning

confidence: 99%

Friction Evaluation of Laser Textured Tool Steel Surfaces

Šugárová

Sugar

Frnčík

2017

Acta Mechanica Et Automatica

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Surface textures can be defined as a regularly arranged micro-depressions or grooves with defined shape and dimensions. These textures, if they are manufactured by laser ablation process, contribute to a significant improvement of the tribological, optical or various biological properties. The aim of this paper is to analyze the influence of the surface textures prepared by laser surface texturing (LST) at the friction coefficient value measured on the tool (90MnCrV8 steel) – workpiece (S235JRG1 steel) interface. Planar frontal surfaces of compression platens have been covered by parabolic dimple-like depressions with different dimensions. The morphological analysis of such manufactured depressions has been performed by laser scanning microscopy. Influence of such created textures on the tribological properties of the contact pair has been analyzed by the ring compression test method in the terms of hydrodynamic lubrication regime. The experimental research shown that by applying of surface textures with defined shape and dimensions and using an appropriate liquid lubricant at the same time, the coefficient of contact friction can be reduced nearly to the half of its original value.

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Section: Introductionmentioning

confidence: 99%

Friction Evaluation of Laser Textured Tool Steel Surfaces

Šugárová

Sugar

Frnčík

2017

Acta Mechanica Et Automatica

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Fibre Laser Texturing for Surface Functionalization

2013

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Textured surfaces exhibit improved properties in terms of tribological, biological, optical, or wetting performance once the texture is opportunely tailored for purpose. Fibre lasers provide a flexible solution for texturing different materials with different surface structures. In this work, the use of a Q-switched fiber laser for surface texturing for tribological, adhesion and biomedical applications is demonstrated. The required surface pattern of the application is investigated along with the processing conditions to realize the pattern. Results show the adaptability of the ns pulsed fibre laser to achieve various patterns with high productivity and industrial robustness

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<title>Excimer micromachining for texturing silicon solar cells</title>

Cited by 2 publications

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Friction Evaluation of Laser Textured Tool Steel Surfaces

Friction Evaluation of Laser Textured Tool Steel Surfaces

Fibre Laser Texturing for Surface Functionalization

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