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SVG mask artwork for the 4004
By Thom Holwerda on 2015-11-17 00:47:45

If you look too closely, the old proof set artwork is pretty ugly, certainly nothing we could use if we wanted to build a larger museum exhibit, say 3x4 feet, or import the mask artwork into a PCB layout package to build a giant, working circuit board. The old artwork just wasn't going to cut it. So McNerney took a pair of high-resolution photomicrographs (kindly donated by reverse engineer extraordinaire, Christopher Tarnovski), and set out to trace every wire, transistor, resistor, and capacitor using Adobe Illustrator. Just hours before the 44th anniversary, he finished tracing the first, complete draft of the mask set artwork. The next step is to verify it against the schematics and try it out in simulation.

Amazing work.

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