| 摘要 |
PURPOSE: An optical fiber ribbon is provided, which decreases a contact size each other in deposit state and then decreases a friction surface. CONSTITUTION: An optical fiber ribbon comprises: an optical fiber (40); a coating portion (52) to be coated at a uniform thickness in a state which the optical fiber (40) is arranged, wherein the coating portion (52) including a bight (54) having a uniform curvature radius at an inner side of the center portion of the upper and lower surface, and an expanding portion (56) to be expanded up and down according to length direction in both sides portion of the bight (54). Therefore, the change of the optical fiber ribbon is prevented when an optical cable is inserted, and the increase of the friction in a surface which the optical fiber ribbon is contacted is prevented.
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