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  • Potomac Photonics Buys Coherent Excimer Laser
Oct 2010
LANHAM, Md., Oct. 5, 2010 — Microfabrication company Potomac Photonics announced Friday that it purchased a Coherent Inc. excimer laser for its contract laser micromachining unit. Suitable for rapid prototyping and production of miniature parts, the laser will be integrated on a system capable of machining flat and 3-D parts.

With the ability to achieve features as small as 2 µm, customers in the medical, biotech and electronics fields can e-mail their drawings to the company to have their parts made quickly and cost-effectively.

Because excimer lasers emit concentrated light within the ultraviolet spectrum, they are especially suited to machine complex features in polymer and glass material. They can be used in microhole drilling, precision cutting and etching applications.

“The investment in this laser is consistent with our strategy to continually upgrade and expand our manufacturing capabilities in order to provide our customers with the best laser fabrication solutions on the market,” said Mike Adelstein, vice president of Potomac.

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That branch of science involved in the study and utilization of the motion, emissions and behaviors of currents of electrical energy flowing through gases, vacuums, semiconductors and conductors, not to be confused with electrics, which deals primarily with the conduction of large currents of electricity through metals.
The engraving of a surface by acid, acid fumes or a tool; a process extensively used in the manufacture of reticles.
excimer laser
A rare-gas halide or rare-gas metal vapor laser emitting in the ultraviolet (126 to 558 nm) that operates on electronic transitions of molecules, up to that point diatomic, whose ground state is essentially repulsive. Excitation may be by E-beam or electric discharge. Lasing gases include ArCl, ArF, KrCl, KrF, XeCl and XeF.
A noncrystalline, inorganic mixture of various metallic oxides fused by heating with glassifiers such as silica, or boric or phosphoric oxides. Common window or bottle glass is a mixture of soda, lime and sand, melted and cast, rolled or blown to shape. Most glasses are transparent in the visible spectrum and up to about 2.5 µm in the infrared, but some are opaque such as natural obsidian; these are, nevertheless, useful as mirror blanks. Traces of some elements such as cobalt, copper and...
A material whose molecular structure consists of long chains made up by the repetition of many (usually thousands) of similar groups of atoms.
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