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Title: Aesthetic laser marking assessment
Authors: Ng, T.W. 
Yeo, S.C.
Issue Date: Apr-2000
Citation: Ng, T.W.,Yeo, S.C. (2000-04). Aesthetic laser marking assessment. Optics and Laser Technology 32 (3) : 187-191. ScholarBank@NUS Repository.
Abstract: In this paper, the CIE color difference formula was applied to evaluate four types of material surfaces; anodized aluminium, stainless steel, poly-butylene tetra-phthalate (PBT), and phenol formaldehyde, marked using a Nd:YAG laser, and viewed under three common modes of illumination; tungsten, fluorescent and daylight. The color difference values were based on the spectral reflectance readings obtained from a spectrophotometer. Each material exhibited different color difference trends in relation to marking speed for the different modes of illumination. Nevertheless, general comparisons could be made in terms of operational marking speeds and the maximal color difference values for each material. © 2000 Elsevier Science Ltd. All rights reserved.
Source Title: Optics and Laser Technology
ISSN: 00303992
Appears in Collections:Staff Publications

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