Granted Patent B2

US 12,345,929 · App. 18/006,621 · Granted Jul 1, 2025

Inventors: Yasuyuki Wada (Sakura, JP); Ken Kusakata (Sakura, JP)

Assignee: Fujikura Ltd.

G02B6/403

Abstract

Claims (12)

1. A ferrule for an optical connector comprising:

a ferrule main body including:

a connection end surface;

an upper surface;

a lower surface opposite to the upper surface in a vertical direction; and

fiber holes into which optical fibers are inserted along a front-rear direction perpendicular to the vertical direction, and that are arranged in a left-right direction perpendicular to the vertical direction and the front-rear direction, wherein

the connection end surface is disposed on a front side in the front-rear direction,

an inner diameter of a rear end opening in each of the fiber holes is in a range of 204.6 to 230.0 μm, wherein the rear end opening is disposed on a rear side opposite to the front side in the front-rear direction,

a wall surface covers an entirety of the upper surface and the lower surface,

each of the fiber holes has a rear end portion having a conical inclined surface with the inner diameter that decreases from the rear end opening toward the front side.

2. The ferrule according to claim 1 , wherein the inner diameter in each of the fiber holes is 225.0 μm or more.

3. The ferrule according to claim 1 , wherein the conical inclined surface of each of the fiber holes is disposed inside the ferrule main body.

Assignments (1)

Priority Claims (2)

Continuity (1)

References Cited (22)