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US 11,448,834 B2Granted
Ferrule structure
AssigneeFujikura Ltd.
InventorsAkihiro Nakama, Hirotaka Asada
Life of this patent
Estimating the term…
Abstract
A ferrule structure includes: a ferrule body including a body-side guide hole for insertion of a guide pin, and a holding hole that holds light guide members forming light guides; a lens plate including a plate-side guide hole for insertion of the guide pin, and a lens array that includes lenses aligned to the light guides; and a recessed part in an end part of at least one of the body-side guide hole and the plate-side guide hole on an adhesion surface side.
Claims9
A ferrule structure comprising:
- a ferrule body comprising:
- a body-side guide hole for insertion of a guide pin;
- and
- holding holes that hold light guide members forming light guides;
- a lens plate comprising:
- a plate-side guide hole for insertion of the guide pin;
- and
- a lens array that comprises lenses aligned to the light guides;
- and
- a recessed part disposed at a periphery of an opening formed at an end of at least one of the body-side guide hole and the plate-side guide hole on an adhesion surface side where the ferrule body and the lens plate are bonded with an adhesive.
7 more elements
A method for manufacturing a ferrule structure comprising a ferrule body and a lens plate, the method comprising:
- aligning the ferrule body and the lens plate by inserting a guide pin through a body-side guide hole of the ferrule body and a plate-side guide hole of the lens plate until a recessed part of the guide pin faces a boundary part between the ferrule body and the lens plate;
- bonding the ferrule body and the lens plate by applying an adhesive to the boundary part and curing the adhesive;
- and
- breaking, with an edge of the recessed part, a part of the adhesive that leaked from the boundary part by pulling the guide pin out of the body-side guide hole and the plate-side guide hole after the adhesive has cured.
1 more element
Dependencies are inferred from the claim text.