National Semiconductor Lion

National Semiconductor Lion

The presence of this beautiful silicon lion icon on a National Semiconductor ethernet controller chip was pointed out to us by chip designer Marc Severino of Atlanta, who was inspired to do some chip doodling after a visit to the Silicon Zoo. The lion is about 60 microns in height and represents a take-off of the chip's code name, which is "Euphrates" after the river that runs through Turkey and Iraq. We captured a digital image of the lion with a Nikon E-600 upright reflected light microscope featuring infinity-corrected optics and differential interference contrast with a full-wave retardation plate.


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