Patent · US Expired

Hetero-structure injection laser

US4142160A · kind A · utility

11Cited by
2References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 10, 1975
Grant dateFeb 27, 1979
Priority date
Expiry dateSep 10, 1995

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10H20/80
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A semiconductor laser having a structure such that a narrow strip mesa is formed above a laser active layer in a hetero-structure crystal so that it can generate a laser beam of improved optical property.

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