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Avia 355-20
Aug 2005
Coherent Inc.Request Info
SANTA CLARA, Calif., Aug. 25 -- Coherent Inc.'s Avia 355-20 all-solid-state Q-switched laser is the first to offer 20 W of 355-nm ultraviolet output at 100 kHz. The company said the Avia 355-20 can be operated at pulse repetition rates as high as 150 kHz, while maintaining excellent beam characteristics and low-noise performance. The combination of high power and high pulse rate translates directly into higher processing speeds for micromachining applications, such as wafer dicing, via drilling, processing low-k dielectrics, large-area solar cell scribing and chip singulation.

Coherent said the Avia 355-20 is a frequency-tripled, vanadate laser utilizing a proprietary end-pumped architecture to deliver a high-quality beam (M2 < 1.3) with high efficiency over a long lifetime. The entire resonator configuration is packaged in a single, sealed module, in which all the optics are rigidly soldered using Coherent's field-proven PermAlign technology. The laser's pump diodes are mounted inside the laser head and fiber-coupled into the sealed resonator. This architecture enables diode replacement to be done in the field without any optical realignment, and allows the laser head, umbilical and power supply components to be completely detached for easy installation in OEM machines.

For more information, visit:; e-mail:

Coherent Inc.
5100 Patrick Henry Drive
Santa Clara, CA 95054
Phone: (408) 764-4983
Toll Free: (800) 527-3786
Fax: (408) 764-4825


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AviaCoherentenergyindustriallow-k dielectricsmicromachiningProductsQ-switched laserultravioletvia drillingwafer dicing

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