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Student Creates Homemade 1000+ Transistor Integrated Circuit in Garage Fab

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5mo ago· 12 min readenNews

Summary

A student named Sam Zeloof has created a homemade integrated circuit with over 1000 transistors in his garage fabrication setup, representing a significant advancement from his earlier Z1 amplifier chip with 6 transistors. The Z2 chip features a 10×10 array of transistors using 10µm polysilicon gate technology similar to Intel's first processor. This project demonstrates the feasibility of amateur semiconductor fabrication and represents years of process development and equipment refinement in a home lab environment.

Key quotes

· 5 pulled
In 2018 I made the first lithographically fabricated integrated circuits in my garage fab.
I was a senior in high school when I made the Z1 amplifier, and now I'm a senior in college so there are some long overdue improvements to the amateur silicon process.
The Z1 had 6 transistors and was a great test chip to develop all the processes and equipment.
The Z2 has 100 transistors on a 10µm polysilicon gate process – same technology as Intel's first processor.
My chip is a simple 10×10 array of transistors to test, characterize, and tweak the process.
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Homemade 1000+ transistor array chip

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