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Paladin Compact UV Laser
Oct 2007
Coherent Inc.Request Info
For PCB Fabrication and Wafer Inspection
SANTA CLARA, Calif., Oct. 10, 2007 -- The new Paladin Compact 355-4000 from Coherent Inc. is the first solid-state, ultraviolet (UV) laser to deliver 4 W of quasi-CW output (at 355 nm) in a small footprint package, according to the manufacturer.

Coherent said the laser is specifically designed for OEMs, who will benefit from its combination of low cost of ownership, small size, high-quality output and operational simplicity. In addition, because it can be either air-cooled or water-cooled, the laser offers system builders enhanced flexibility. To also make it easier to use it with existing optical designs, its beam parameters (beam diameter = 1 mm, M2 <1.2) are identical to the larger-sized 4-W Paladin model.

Paladin.jpgThe Paladin Compact 355-4000 costs less to buy and less to maintain than its predecessors, thanks to the reduced maintenance costs of its components, Coherent said. The laser requires only a single, long-lived pump diode (the main consumable in this type of laser), rather than two pump diodes.

The UV laser excels at applications in the laser direct imaging of high-density printed circuit boards (PCBs), as well as semiconductor wafer inspection, the company said. In both of these applications, overall system size, cost of ownership, reliability characteristics and beam quality are essential in order to meet the performance and cost requirements of end users. The Paladin Compact's performance parameters also allow the laser to be used in other markets, such as semiconductor processing or glass scribing, according to Coherent.

For more information, visit:; e-mail:

Coherent Inc.
5100 Patrick Henry Dr.
Santa Clara, CA 95054
Phone: (408) 764-4000
Fax: (408) 764-4800


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