Optical waveguides – With disengagable mechanical connector – Optical fiber/optical fiber cable termination structure
Patent
1994-02-01
1995-06-06
Healy, Brian
Optical waveguides
With disengagable mechanical connector
Optical fiber/optical fiber cable termination structure
385 77, 385 78, 385 82, 385139, G02B 626
Patent
active
054229715
ABSTRACT:
The present invention relates to an adhesive for connecting and fixing an optical fiber to an optical connector and to an optical connector which uses that adhesive. The adhesive prevents deformation of the optical connector ferrule and stressing of the optical fiber due to hardening shrinkage during the hardening of the adhesive and/or a shrinkage during cooling of the adhesive. In accordance with the invention, (1) the value of (the coefficient of linear expansion (.degree.C..sup.-1) of the adhesive).times.(the difference between a hardening temperature of the adhesive and room temperature (.degree.C.)).times.(Young's Modulus (kg/mm.sup.2) of the adhesive) is equal to or less than about 2.5, (2) the value of (the rate of hardening shrinkage (%) of the adhesive).times.(Young's Modulus (kg/mm.sup.2) of the adhesive) is equal to or less than about 1000 and/or (3) the adhesive hardens at room temperature.
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Honjo Makoto
Katsura Hiroshi
Ueda Tomohiko
Yamanishi Toru
Healy Brian
Sumitomo Electric Industries Ltd.
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