Another weekend another weekend die-shot! Zeptobars have this beautiful blue-and-orange image of a DS2401 silicon chip.
It has some really interesting features including patent numbers on the die:
And these paths leading to the ROM at the center of the silicon:
The full-size image is 47+ megapixels, so you can really navigate around it up-close if you wish. You’ll also note the iButton trademark stamp, alluding to this silicon came from or was intended for an iButton device.