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AMS Technologies Nordic 
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Fiber Accessories

Glass Solder Preforms

Key Features

  • Compatible with singlemode, multimode or polarization maintaining fibers
  • Alternative to costly gold plating methods for hermetic sealing
  • Available in circular or oval configurations
  • Fatigue and corrosion resistant
  • No flux required for use


OZ Optics Glass Solder Preforms are designed specifically for hermetic sealing of optical fibers in optoelectronic and all optical packaging. The Glass Solder Preforms bond directly to the glass and metal surfaces. This enables hermetic sealing of optical fibers to metal packages without costly metalization, thus reducing the cost and lead time of the whole packaging process. After processing, assemblies sealed with glass solder can easily meet the stringent humidity resistance, hermeticity and strength demanded for component packaging. Custom configurations can be designed for specific applications.


  • Fiber to metal hermetic sealing
  • Laser diode packaging
  • Integrated optics packaging
  • Vacuum feed through assemblies