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Compact solid-state UV laser suits CW apps

Posted: 28 Jun 2006 ?? ?Print Version ?Bookmark and Share

Keywords:Coherent? Paladin Compact? laser?

The new Paladin Compact from Coherent Inc. is touted to be a next-generation ultraviolet laser delivering high-power, quasi-CW output at 355nm from a compact package.

Coherent said the new laser is based on the Paladin family of UV lasers, but incorporates a new level of integration with only half the footprint of previous models. Its compact and cost-effective packaging makes the new device suitable for OEMs and systems integrators servicing CW ultraviolet applications in the microelectronics, bioinstrumentation and graphic arts industries, the company said. Paladin Compact is available with a 2W output and a laser head that measures 60-by-25-by-25cm.

Compared to the standard Paladin family of solid-state lasers in the 8W power range, Coherent said the Paladin Compact delivers an even higher repetition rate (120Mhz), which is faster than the timescale of virtually every CW application. The small footprint and choice of either water-cooling or air-cooling also make the new laser easy to integrate into an instrument or system, the company added.

Applications for Paladin Compact include high-throughput flow cytometry and computer-to-plate (CTP) direct imaging in the printing industry, as well as inspection of bare and structured semiconductor wafers. The new product is also ideal for laser direct imaging (LDI) of PCBs, supporting the high repeatability necessary to correct for localized shrinkage in multilayer PCBs, Coherent explained.

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