Request InfoFor High-Throughput Sapphire ScribingCoherent Inc.SANTA CLARA, Calif., Nov. 12, 2009 – A frequency-tripled, diode-pumped solid-state laser from Coherent Inc. offers economical performance for cost-sensitive micromachining tasks such as scribing sapphire substrates used in the fabrication of GaN LEDs. The Avia 355-5 is a Q-switched Nd:YVO4 laser that delivers 5 W of 355-nm output at 50 kHz and that operates at repetition rates from single shot up to 150 kHz. Its combination of high repetition rate and short pulse length of <20 ns enables high-throughput processing with a minimal heat-affected zone. 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