The image is a grayscale microscopic cross-section of a layered transistor structure. Multiple layers are visible, with labels indicating their composition. At the bottom is the 'substrate,' followed by 'transistors,' 'Co' (Cobalt). Above that is a layer of 'Cu + Co' (Copper + Cobalt) and then 'Cu' (Copper). Finally, 'insulator' layers separate the layers of metallic conductors which appear as stacked blocks. The image appears to be taken with some sort of electron microscopy due to the level of detail shown.
Ocr Text
insulator
Cu
Cu + Co
transistors
substrate
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