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The demand for microelectronics and printed circuit boards (PCBs) has steadily increased as more flat panel displays, LEDs, photovoltaics, and other essential intermediates are required to create modern consumer devices. This is favorable for the semiconductor industry, though challenges may arise to deliver on time while upholding high quality standards. To be successful, several processes must be optimized in order to increase production efficiency.


This White Paper 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!


Metrohm AG

9100 Herisau