Patent · US Expired

Heterojunction confined channel FET

US4994868A · kind A · utility

8Cited by
4References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 6, 1988
Grant dateFeb 19, 1991
Priority date
Expiry dateDec 6, 2008

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D30/801

Abstract

A new GaAs FET structure is provided by a process which provides a GaAs channel between AlGaAs layers and wherein the GaAs channel has a higher active carrier concentration than either adjacent AlGaAs layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.