G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 6/44 (2006.01) G02B 6/46 (2006.01) H04B 10/12 (2006.01)
Patent
CA 2413103
To hermetically seal a fiber optic light guide (1) in a stripped or de-coated state, i.e. the actual optical fiber (2), in a feedthrough sleeve (5) the actual optical fiber (2) is sealed together with the feedthrough sleeve (5) by means of glass solder with local heating. In order to make a permanent hermetic glass seal, the feedthrough sleeve (5) is made from an Invar alloy, i.e. an alloy with very low thermal expansion during heating and the glass solder employed is a low- melting glass solder with thermal expansion properties adapted to the metallic material. The glass solder is molded into prefabricated half-cylinder-shaped pressed parts (7), in which the stripped optical fiber (2) is inserted and sealed.
Fritz Oliver
Steinberg Andreas
Glas Schott
Marks & Clerk
Schott Ag
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