With the IP and assets of the firm having been acquired by Agilent in 2014, 4pi Analysis ceased independetn operations. The firm had been organized around energy dispersive x-ray spectroscopy systems, components, and software and digital imaging systems for electron microscopes. The firm developed the Revolution family of products for electron microscopes. the modular software package offering x-ray microanalysis, SEM imaging and TEM imaging RevolutionSEM: Active-scan Digital Imaging System High resolution imaging for all SEMs and STEMs, the system incorporated the Universal Spectral Engine's highly accurate beam control and image acquisition electronics to obtain sharp high-resolution digital images: making the system among the most flexible digital imaging system on the market for SEMs and STEMs. In 2014, it was announced that all the intellectual property & assets of the firm had been
