Patent · US Expired

Semiconductor laser device having plural active regions

US4318059A · kind A · utility

26Cited by
3References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 13, 1980
Grant dateMar 2, 1982
Priority date
Expiry dateJun 13, 2000

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01S5/4087
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A monolithically integrated semiconductor laser device capable of producing a plurality of light beams different in wavelength from each other.

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