Patent · US Expired

Optical package substrate, optical device, optical module, and method for molding optical package substrate

US6904190B2 · kind B2 · utility

10Cited by
12References
48Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 3, 2002
Grant dateJun 7, 2005
Priority date
Expiry dateDec 29, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B6/4246
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Micro-discharge machining is employed to obtain a die, and an optical package substrate is produced by press formation using such a die. An optical fiber, an optical waveguide, a lens, an isolator, an optical filter and a light receiving/emitting element are mounted by passive alignment.

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