Method and apparatus for packaging optical fiber sensors for...

Details Method and apparatus for packaging optical fiber sensors for... Method and apparatus for packaging optical fiber sensors for...

2005-08-09

2005-08-09

Ullah, Akm Enayet (Department: 2874)

Optical waveguides

Optical waveguide sensor

C385S066000, C385S107000

Reexamination Certificate

active

06928202

ABSTRACT:
A package for an optical fiber sensor having a metal jacket surrounding the sensor, and heat-shrink tubing surrounding the metal jacket. The metal jacket is made of a low melting point metal (e.g. lead, tin). The sensor can be disposed in a rigid tube (e.g. stainless steel or glass) that is surrounded by the metal jacket. The metal jacket provides a hermetic, or nearly hermetic seal for the sensor. The package is made by melting the metal jacket and heating the heat shrink tubing at the same time. As the heat-shrink tubing shrinks, it presses the low melting point metal against the sensor, and squeezes out the excess metal.

REFERENCES:
patent: 5261018 (1993-11-01), Suganuma et al.
patent: 6240231 (2001-05-01), Ferrera et al.
patent: 6396572 (2002-05-01), Chang et al.

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