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http://dx.doi.org/10.5757/JKVS.2007.16.1.074

Application of Ultrafast Laser for Micro-packaging and Germanium Surface Processing  

Jeoung, S.C. (Korea Research Institute of Standards and Science)
Yahng, J.S. (Korea Research Institute of Standards and Science)
Publication Information
Journal of the Korean Vacuum Society / v.16, no.1, 2007 , pp. 74-78 More about this Journal
Abstract
Much interests has been drawn for noble micro-engineering processes for the continuous size reduction on bulk materials from the field of micro-electronics with much downsized IC chips. A traditional microprocessing based on mechanical blade as well as a relatively long pulsed laser usually influence the physico-chemical properties of intact materials when the techniques are applied to process materials with a spatial resolution less than 10 microns. Meanwhile, ultrafast laser pulses are known to exhibit a very small heat-affect zone(HAE) compared to the traditional laser processing and to be applicable for the new functional materials with high performance in optical and electrical properties. In this report, we will review in brief the recent research works on the enhancement of micro-cutting speed of thin silicon wafer as well as the formation of Ge nanostructures based on ultrafast laser pulses.
Keywords
Ultrafast Laser; Microprocessing; Thin wafer; Nanos;
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