Patent · US Expired

Waveguide having low index substrate

US7394961B2 · kind B2 · utility

32Cited by
19References
27Claims
0Family size

Inventors

Key dates

Filing dateOct 13, 2005
Grant dateJul 1, 2008
Priority date
Expiry dateJan 12, 2026

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB82Y20/00
  • WIPO fieldMicro-structural and nano-technology
  • WIPO sectorChemistry

Abstract

An optical waveguide includes a porous substrate having pores of first width, a barrier layer having apertures aligned with the pore openings, and a core material layer adjacent the barrier layer. The apertures have a second width less than the first width.

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