Patent ID: 11876128
Assignee: nan
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 14:
15. The field effect transistor as claimed in claim 13, wherein the Schottky layer has a thickness of 5-20 nm and a doping species is Si and the Si doping concentration is 1˜3e17 cm−3, a thickness of the first etch stop layer is 5 nm, a doping species is Si and the Si doping concentration is greater than 1e19 cm−3, a thickness of the at least one delta-doped layer is 1 monolayer (ML), a doping species is Si and the Si doping concentration is 0.5˜1.5e12 cm−2, a thickness of the second etch stop layer is 5 nm, a doping species is Si and the Si doping concentration is greater than 1e19 cm−3, a thickness of the ohmic contact layer is 20-120 nm, a doping species is Si, and the Si doping concentration is greater than 5e18 cm−3.