Multicore optical ferrule, optical connector, and manufacturing method of multicore optical ferrule

Abstract

A multicore optical ferrule includes a main body including a connection end surface configured to connect to a connection target and insertion holes into which optical fibers are respectively inserted. Each of the insertion holes extends from the connection end surface toward an inside of the main body. Each of the insertion holes has a first inner diameter portion open to the connection end surface and a second inner diameter portion having a diameter larger than a diameter of the first inner diameter portion. An inner wall of the first inner diameter portion of each of the insertion holes includes micro holes.

Dependencies are inferred from the claim text.