Injection moulding of plastic parts with laser textured surfaces with optical applications

J. Pina-Estany, A. A. García-Granada, E. Corull-Massana

Producció científica: Article en revista indexadaArticleAvaluat per experts

8 Cites (Scopus)


The purpose of this work is to manufacture micro and nanotextured surfaces on plastic injection moulds with the aim of replicating them and obtaining plastic parts with optical applications. Different patterns are manufactured with nanosecond and femtosecond lasers in order to obtain three different optical applications: (i) homogeneous light diffusion (ii) 1D light directionality and (iii) 2D light directionality. Induction heating is used in the injections in order to improve the textures degree of replication. The steel mould and the plastic parts are analyzed with a confocal/focus variation microscope and with a surface roughness tester. A mock-up and a luminance camera are used to evaluate the homogeneity and luminance of the homogeneous light diffusion application in comparison with the current industrial solutions.

Idioma originalAnglès
Pàgines (de-a)372-380
Nombre de pàgines9
RevistaOptical Materials
Estat de la publicacióPublicada - de maig 2018


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