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Picture of the month - May 2023

Published on May 12, 2023
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Black and white abstract art

Mai 2023 - SIMaP

Mai 2023 - SIMaP

Scanning electron microscopy (SEM) image obtained after etching of a supercooled tin deposit with a nickel underlayer. The selective de-tinning performed by acid etching reveals the Ni3Sn4 intermetallics (dark phase on the image) that form as a result of the diffusion of nickel in the tin layer.



About the author: Thiam ABDOULAYE recently defended his PhD on solderless connection process (pressfit).
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Date of update May 12, 2023

Université Grenoble Alpes