Sam Zeloof

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.[1] In 2018, he produced the first homebrew lithographically fabricated microchip, the Zeloof Z1,[2] a PMOS dual differential amplifier chip.[3] In 2021, he achieved a transistor count of 100 with the creation of the Zeloof Z2, a transistor array.[4][5][6][7] His work takes inspiration from Jeri Ellsworth's 'Cooking with Jeri' which demonstrates a homebrew transistor and logic gate fabrication process.[8] His photolithography process is currently able to create details as small as 300 nanometers.[9]

Sam Zeloof
BornNew Jersey, United States[1]
NationalityAmerican
OccupationInventor Edit this on Wikidata
Known forHomemade microchip fabrication

Zeloof attended Hunterdon Central Regional High School.[10] In 2022, Zeloof along with Jim Keller started Atomic Semi, a startup to manufacture small batches of affordable microchips quickly.[11]

References
  1. Cass, Stephen (December 22, 2017). "The High School Student Who's Building His Own Integrated Circuits". IEEE Spectrum: Technology, Engineering, and Science News. Retrieved 2019-09-01.
  2. List, Jenny (May 3, 2018). "More Details On That First Home-Made Lithographically Produced IC". Hackaday. Retrieved 2019-09-01.
  3. Zeloof, Sam (April 25, 2018). "First IC :)". Retrieved 2019-09-01.
  4. By (2021-08-14). "The Zeloof Z2 Intergrated [sic] Circuit Has 100 Transistors". Hackaday. Retrieved 2021-08-16.
  5. August 2021, Aaron Klotz 16 (2021-08-16). "DIY Silicon: Man Builds Integrated Circuit That's Similar to Intel's 4004 CPU". Tom's Hardware. Retrieved 2021-08-16.
  6. Fleet, Tom (2021-08-17). "Etching PCBs? Sam Zeloof Steps It Up a Notch, and Down a Few Orders of Magnitude, with His Own ICs!". Hackster.io. Hackster.io, an Avnet company. Retrieved 2021-09-05.
  7. Marquez, Javier (2021-08-18). "Un estudiante crea su propio procesador en el garaje de su casa" [A student creates his own processor in the garage of his house]. Hipertextual (in Spanish). Hipertextual SL. Retrieved 2021-09-05.
  8. "#390 – An Interview with Sam Zeloof". The Amp Hour Electronics Podcast. April 30, 2018. Retrieved 2019-09-01.
  9. Simonite, Tom. "This 22-Year-Old Builds Chips in His Parents' Garage". Wired. ISSN 1059-1028. Retrieved 2022-01-23.
  10. 2018 Program Book, Trenton Computer Festival. Accessed April 7, 2022. "Sam Zeloof is a senior in high school at Hunterdon Central in Flemington, NJ."
  11. Saha, Shritama (2023-01-10). "OpenAI Eyes Investment in Sam Zeloof & Jim Keller's Chip Startup, Atomic Semi". Analytics India Magazine. Retrieved 2023-02-23.
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