Second IC :) – Sam Zeloof

Homemade 1000+ transistor array chip 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 ha