Patent · US Expired

Surface emitting semiconductor laser diode and manufacturing method thereof

US7443899B2 · kind B2 · utility

5Cited by
7References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 12, 2004
Grant dateOct 28, 2008
Priority date
Expiry dateDec 17, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01S5/18394
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A surface emitting semiconductor laser diode includes a substrate, a first reflective layer formed over the substrate, an active layer formed over the first reflective layer, a second reflective layer formed over the active layer, a first conductive layer having an opening therein and formed over the second reflective layer, and an additional reflective layer formed over the second reflective layer so as to cover the opening, wherein the additional reflective layer is covered, at least at a portion thereof, with a second conductive layer.

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