Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/10732
Title: Frequency-tripled Nd:YAG laser ablation in laser structuring process
Authors: Zhang, B
Yung, KC 
Issue Date: 2006
Source: Optics and lasers in engineering, 2006, v. 44, no. 8, p. 815-825
Abstract: With the increasing demand for finer lines/spaces on PCB boards, a new technology - laser structuring - has emerged in recent years. In this research, the frequency-tripled Nd:YAG laser is selected as the laser source in laser structuring; this laser is often used in miniaturization machining. This paper describes in detail the processing parameters' influences, such as laser power, numbers of repetition, repetition rate and bite size, on laser structuring results. From the research results, it can be concluded that the line width and depth are increased with increases in the laser power and numbers of repetition. Repetition rate, bite size and velocity are related to one another. When the bite size is fixed, the velocity increases with the repetition rate and the depth of the line is decreased at the same time. When the repetition rate is fixed, velocity increases with the bite size.
Keywords: Frequency tripled Nd:YAG laser
Laser ablation
Laser structuring
Journal: Optics and Lasers in Engineering 
ISSN: 0143-8166
DOI: 10.1016/j.optlaseng.2005.06.008
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