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http://dx.doi.org/10.3795/KSME-A.2014.38.9.967

Fabrication of Glass Microstructure Using Laser-Induced Backside Wet Etching  

Kim, Bo Sung (Dept. of Mechanical System Design Eng., Seoul Nat'l Univ. of Science and Technology)
Park, Min Soo (Dept. of Mechanical System Design Eng., Seoul Nat'l Univ. of Science and Technology)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.38, no.9, 2014 , pp. 967-972 More about this Journal
Abstract
The good light permeability and hardness of glass allow it to be used in various fields. Non-conventional machining methods have been used for glass machining because of its brittle properties. As one non-contact machining method, a laser has advantages that include a high machining speed and the fact that no tool making is required. However, glass has light permeability. Thus, the use of a laser to machine glass has limitations. A nanosecond pulse laser can be used at low power for laser-induced backside wet etching, which is an indirect method. In previous studies, a short-wave laser that had good light absorption but a high price was used. In this study, a near-infrared laser was used to test the possibility of glass micro-machining. In particular, when deeper machining was conducted on a glass structure, more problems could result. To solve these problems, microstructure manufacturing was conducted using ultrasonic vibration.
Keywords
Laser Machining; LIBWE; Glass Micro Structure; Ultrasonic Vibration;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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