Patent · US Expired

Electromagnetic wave detector

US5326984A · kind A · utility

25Cited by
7References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 30, 1992
Grant dateJul 5, 1994
Priority date
Expiry dateJun 30, 2012

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB82Y20/00
  • WIPO fieldMicro-structural and nano-technology
  • WIPO sectorChemistry

Abstract

An electromagnetic wave detector comprises a stack of quantum wells included between an ohmic contact and a rectifier junction which may be a barrier (Al.sub.y Ga.sub.1-y As) with a forbidden band width that is greater than that of the barriers of the quantum wells.

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