1 - 10 of 50 Search Results for interferometry
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1.
Coherent Inc. Semiconductor Manufacturing with Excimer Lasers
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…volume manufacturing. * Resolution enhancement factor (k) resolution ? k *( l / NA) Immersion lithography results at 193nm using Smith-Talbot interferometry and the BraggStar Industrial-LN at the Rochester Institute of Technology (courtesy of Prof. B.W. Smith). Resist images are 45nm at a 1.05NA and…
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2.
Coherent Inc. Lasers enable Laser Inspection
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…other segment in laser inspection is the determination of the quality of the macroscopic shape and its deviation to a reference. For this purpose interferometry, shearography and holography using visible and deep UV wavelengths are widely used methods that achieve accuracy on the order of the wavelength…
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3.
Coherent Inc. Scientific
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…, Multiphoton microscopy and other laser-based imaging techniques, material and environmental sciences, pulse-laser deposition and holography/interferometry. As the world’s largest supplier of lasers, Coherent offer state-of-the-art laser systems in CW, Q-Switched and mode-locked operations ranging…
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9.
03 T Coherent.42-46
(PAGE 5 OF 5)
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interferometry is the highest precision tool we have for measuring these parameters. For metrology of 193 nm stepper lenses, the ideal interferometer source would have a short wavelength,ideally at or close to 193 nm itself. There are two reasons for this. First, interferometer sensitivity…
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10.
IndyStar MaskInspection
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Best match in this PDF
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…limited. A more direct approach is to use an interferometer to measure the actual optical performance of the PSM. Unfortunately, the conventional interferometry tools currently in use can only measure features of a certain size and shape, and these features must typically be at least an order of magnitude…
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