Ferrule and method of manufacturing the ferrule

G - Physics – 02 – B

Patent

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Details

G02B 6/36 (2006.01) G02B 6/38 (2006.01)

Patent

CA 2509464

A ferrule and a method of manufacturing the ferrule, the ferrule comprising three zirconia ceramic ferrule component members (30a) to (30c), wherein two fine holes (31) for inserting optical fibers therein are drilled in the ferrule component members; the method of manufacturing the ferrule comprising the steps of filling adhesive agent from filling grooves (34) into recessed adhesive agent filler parts (33) provided at the connection surfaces between the ferrule component members, and solidifying the adhesive agent to connect the ferrule component members adjacent to each other so that the fine holes are positioned generally straight forward, wherein an engagement part (35) for engaging with a connector housing is installed on the center ferrule component member, whereby, by reducing the lengths of the ferrule component members along the fine holes to 3 mm or shorter (desirably 2 mm), the accuracy of drilling of the fine holes can be increased and, accordingly, the displacement of the axis of the optical fibers inserted into the fine holes can be prevented from occurring.

L'invention concerne une ferrule et un procédé de fabrication de ferrule. Cette ferrule comprenant trois éléments constitutifs de ferrule céramique / zircone (30a à 30c), deux trous miniatures (31) pour recevoir des fibres optiques, percés dans les éléments constitutifs de ferrule, et le procédé de fabrication de ferrule consiste à amener un agent de remplissage adhésif depuis plusieurs rainures de remplissage (34) vers les parties en retrait de remplissage d'agent adhésif (33), ménagées aux surfaces de connexion entre les éléments constitutifs de ferrule, et à solidifier l'agent adhésif pour connecter les éléments constitutifs de ferrule les uns près des autres de manière à ce que les trous miniatures soient orientés généralement droit vers l'avant. La partie de contact (35), destinée à mettre en contact un boîtier de connecteur, est installée sur l'élément constitutif de ferrule centrale. De cette manière, en réduisant la longueur des éléments constitutifs de ferrule jusqu'à 3 mm ou moins (de préférence, jusqu'à 2 mm), on améliore la précision de percement des trous miniatures et empêche tout déplacement de l'axe des fibres optiques insérées dans les trous miniatures.

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