Patent · US Expired

Fiber optics

US3940278A · kind A · utility

6Cited by
7References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 10, 1974
Grant dateFeb 24, 1976
Priority date
Expiry dateJun 10, 1994

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S501/903
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A boron-free glass composition for use in fiber optics is disclosed. In the field of fiber optics, light is transmitted from one point to another by small diameter fibers. These fibers are composed of a central core surrounded by an outer cladding or sheath. The glass compositions of this invention can be used as the core glass or the sheath glass.

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