Patent · US Expired

Optical semiconductor device

US7030477B2 · kind B2 · utility

7Cited by
6References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 9, 2005
Grant dateApr 18, 2006
Priority date
Expiry dateFeb 9, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05K2201/10121
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A laser device includes a can package of a laser diode having a lead terminal secured to a through hole in a stem by a sealant, and a flexible substrate having a transmission line on a front surface of a polyimide film. The lead terminal of the can package and one end of a transmission line of the flexible substrate are connected by soldering. A resistor for matching the impedance of the transmission line and the impedance of the lead terminal is located in the vicinity of a connection of the transmission line and the lead terminal.

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