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Developments in Surface Contamination and Cleaning: Types of Contamination and Contamination Resources by Kashmiri L. Mittal, Rajiv Kohli

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Chapter 5

Droplet-Assisted Laser Cleaning of Contaminated Surfaces

José Manuel López López1, Sundar Marimuthu1 and Alhaji M. Kamara2,    1Loughborough University, Loughborough, United Kingdom,    2University of Sierra Leone, Freetown, Sierra Leone

Abstract

Surface cleaning is becoming increasingly important in modern manufacturing. Traditional cleaning processes are predominantly thermal processes and may not be applicable for the next generation of devices that include parts manufactured at the micro/nanoscale that are sensitive to heat and abrasion. This problem with such parts can be overcome by a new surface-cleaning technique called droplet-assisted laser cleaning (DALC). The DALC uses a Q-switched Nd:YAG laser to vaporize a stream of water ...

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