ResourceSpectroscopy
Quality control of semiconductor acid baths as per ASTM E1655 – Time- and cost-efficient with NIRS
17 Dec 2021In this white paper, Metrohm describes the capabilities of the modern analytical method near-infrared (NIR) spectroscopy for assessing the quality of acid baths for etching of microelectronics and printed electronics. Not only are analysis times sharply reduced to less than a minute, the related running costs are also significantly lower – certainly a boost in efficiency that should not be overlooked!
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Near Infrared SpectroscopyNear-infrared (NIR) spectroscopy measures the interaction of near-infrared light with a sample, including transmission, reflectance and absorbance, facilitating the identification of analytes. Measurements can be conducted using a Fourier-transform near infrared (FT-NIR) spectrometer, while there are also UV-Vis- NIR spectrophotometers that measure a broader spectrum of wavelengths. Find the best NIR spectroscopy products in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.NIRSSpectroscopySpectroscopy is a technique that analyzes the interaction of light with matter to study molecular properties, concentrations, and structural information. Widely used in chemical, pharmaceutical, and environmental analysis, spectroscopy offers insights into molecular composition and helps identify unknown compounds. It plays a key role in quality control, research, and diagnostics. Browse our peer-reviewed product directory to compare spectroscopy tools, read reviews, and get prices directly from manufacturers.SemiconductorsInfraredQuality ControlQuality control is needed in all production processes. Quality control is a monitoring procedure or set of procedures that are put in place to ensure that a manufactured product adheres to a defined set of quality criteria.
