Jean Hoerni

Jean Amédée Hoerni (September 26, 1924 – January 12, 1997) was a Swiss-born American engineer. He was a silicon transistor pioneer, and a member of the "traitorous eight". He developed the planar process, an important technology for reliably fabricating and manufacturing semiconductor devices, such as transistors and integrated circuits.


Jean Amédée Hoerni
Born(1924-09-26)September 26, 1924
Geneva, Switzerland
DiedJanuary 12, 1997(1997-01-12) (aged 72)
Seattle, Washington, U.S.
EducationB.S., M.D. and PhD, University of Geneva
PhD, University of Cambridge
Known forInvention of planar process and PNP double diffused transistor
Spouses
  • Anne Marie Hoerni
  • Ruth Carmona
  • Jennifer Wilson
Scientific career
FieldsElectronic engineering
Semiconductor
InstitutionsShockley
Fairchild
Amelco
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