Paper Title:
Glass Ceramic Laser Machining for Cooktop Appliances
  Abstract

This paper presents a study of glass ceramic laser machining for cooktop appliances. Blind holes and special shape cross section blind holes can be created for functional purposes. A Q-switched Nd:YAG laser at its fundamental wavelength of 1064 nm with pulsewidths in the nanosecond range has been used. The material can be machined by focusing the laser beam at different depths under the back side of the glass panel, in such a way that blind holes of 2-6 mm diameter and 1-3 mm depth can be drilled. Several cross section shapes can be obtained using additional galvanometric mirrors to deflect the laser beam in the desired direction, controlling the incidence angle. These holes can be used for fastening directly components to the glass panel, avoiding gluing processes, or for approaching thermal sensors to the upper surface, controlling the work temperature in a better way. Several tests have been performed to check the modifications in glass ceramic mechanical properties. Thermal tests have verified the improvement in work temperature accuracy measurement.

  Info
Periodical
Advanced Materials Research (Volumes 83-86)
Edited by
M. S. J. Hashmi, B. S. Yilbas and S. Naher
Pages
777-784
DOI
10.4028/www.scientific.net/AMR.83-86.777
Citation
D. Sola, J.I. Peña, M. A. Buñuel, "Glass Ceramic Laser Machining for Cooktop Appliances", Advanced Materials Research, Vols. 83-86, pp. 777-784, 2010
Online since
December 2009
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Price
$32.00
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