Patent · US Expired

AlAS Zn-stop diffusion layer in AlGaAs laser diodes

US5212705A · kind A · utility

14Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 18, 1992
Grant dateMay 18, 1993
Priority date
Expiry dateFeb 18, 2012

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01S5/32325
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An AlGaAs-based semiconductor laser diode is disclosed which has a Zn-stop diffusion layer of p-type conductivity deposited on the active layer, having an Al content greater than 85%.

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