Method of making ribbon type coated optical fiber

Details Method of making ribbon type coated optical fiber Method of making ribbon type coated optical fiber

G - Physics

02

B

G02B 6/44 (2006.01)

Patent

CA 2312831

In a method of making a ribbon type coated optical fiber 3 comprising the step of inserting a plurality of optical fibers 1 flatly arranged parallel to each other through a die orifice 11a so as to collectively coat the optical fibers with a coating resin 2, the ratio W/H of a clearance W in the width direction between the inner surface of the die orifice 11a and the outer surface of the optical fibers 1 to a clearance H in the thickness direction therebetween is set within the range of 1.0 to 2.5.

L'invention concerne un procédé de fabrication d'un fil (3) d'âme de fibre optique de type bande, consistant à introduire plusieurs fibres optiques (1) agencées sous la forme d'une bande plate, et parallèles les unes aux autres, dans un trou de filière (11a) et à appliquer une résine de revêtement à l'ensemble des fibres. Dans ce procédé, le rapport W/H entre un espace libre W dans une direction transversale et un espace libre H dans le sens de l'épaisseur se situe dans une plage comprise entre 1,0 et 2,5, entre la surface intérieure du trou de filière (11a) et la surface extérieure de la fibre optique (1).

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