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Menapic & Leti to enlighten materials analysis with coloured acoustics

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Proprietary APiC technology, which enables the characterisation of each layer, will be further extended for use in the microelectronics industry and thin-materials analysis


CEA-Leti and Menapic, a French startup that enables physical characterisation of thin films, have formed a joint-development program (JDP) to apply coloured picosecond acoustics to materials analysis.

Menapic's coloured picosecond acoustics (APiC) technology is an innovative tool to characterise the mechanical properties of thin films. It reproduces the principle of sonar in nano-scaled structures: a spectroscopic pulsed-laser source is used to generate acoustic waves in thin-film stacks.



By analysing the propagation of the acoustic pulse in the stack, APiC enables the characterisation of each layer, as shown in the schematic above. The JDP with Leti is designed to extend the use of this technology in the microelectronics industry and thin-materials analysis.

"Coloured picosecond acoustics fits the mechanical characterisation requirements that have accompanied the trends in scaling and increasing complexity of integrated electronics," says Patrick Emery, Menapic's president. "With Leti's high level of expertise in materials analysis and nanocharacterisation, this program will position Menapic's APiC technology for on-site utilisation."

Adding coloured picosecond acoustics to Leti's advanced characterisation techniques aligns with its technology roadmaps.

"This new equipment will complete the unique offer in terms of materials analysis available in the world-class nanocharacterisation platform at MINATEC campus," concludes Narciso Gambacorti, Leti's nanocharacterisation program manager. "Menapic's experience in materials analysis and coloured picosecond acoustics technology, in particular, will accelerate the introduction of this technique at Leti."


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