Method of producing coated optical elements

US4133915A · kind A · utility

Assignee

• Siemens Aktiengesellschaft · DE

Inventors

• Bjoern Noethe · Ebersberg, DE
• Helmut Saller · Munich, DE

Key dates

• Filing date: Jul 27, 1977
• Grant date: Jan 9, 1979
• Expiry date: Jul 27, 1997

Classification

• Technology area (CPC G): Physics
• CPC primary: G02B6/4486
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Optical fibers or bundles of fibers are uniformly coated with a high-boiling, viscous or thixotropic, optically clear liquid, such as polydimethylsiloxane, polymethylphenylsiloxane and then coated with a curable resin, such as urethane.