Chang, W.L., Luo, Xichun, Ritchie, J.M., Sun, J.N. and Mark, C. (2011) Fabrication of microfluidic injection moulds by a hybrid micromachining process. Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, 225 (3). pp. 458-462. ISSN 0954-4054

In this paper a hybrid micromachining approach was developed for the fabrication of microfluidic injection moulds. A micro injection mould with 500μm wide and 200μm high channels was machined by high-speed micromilling. The microchannels inside the mould were then processed by a Nd:YAG laser to remove the burrs generated in the micromilling process. The measurement results confirmed the effectiveness of this hybrid micromachining process in obtaining high-quality microproducts.

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