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About: Sam Zeloof     Goto   Sponge   NotDistinct   Permalink

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Sam Zeloof (born 1999 or 2000) is an American autodidact who, at the age of 17, constructed a home microchip fabrication facility in his parents' garage. In 2018, he produced the first homebrew lithographically fabricated microchip, the Zeloof Z1, a PMOS dual differential amplifier chip. In 2021, he achieved a transistor count of 100 with the creation of the Zeloof Z2, a transistor array. His work takes inspiration from Jeri Ellsworth's 'Cooking with Jeri' which demonstrates a homebrew transistor and logic gate fabrication process. His photolithography process is currently able to create details as small as 300 nanometers.