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US 6,599,029 B2Granted
Ferrule assembly and receptacle type optical transmission module
AssigneeFujitsu Limited
InventorsYousuke Yamazaki, Hiroyuki Nobuhara, Goji Nakagawa
Life of this patent
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Abstract
A ferrule assembly includes a ferrule having a through-hole, a first end portion, a second end portion, and an intermediate portion between the first and second end portions, and an optical fiber inserted and fixed in the through-hole. The ferrule has at the intermediate portion a cutaway flat portion allowing the optical fiber inserted in the through-hole to be semi-exposed, and the optical fiber has its entire circumference held by the ferrule at least at the first and second end portions of the ferrule.
Claims3
A ferrule assembly comprising:
- a ferrule having a through-hole, a first end, a second end, a cylindrical portion located near said first end and a flat cut portion exposing the through-hole formed between said cylindrical portion and said second end;
- and
- a bare optical fiber inserted in said through-hole and fixed therein at said cylindrical portion and a portion near said second end, said optical fiber having a first end flush with the first end of said ferrule and a second end flush with the second end of said ferrule;
- wherein
- said optical fiber has its entire circumference held by said ferrule at said cylindrical portion and said portion near the second end and said bare optical fiber is semicylindrically exposed at said flat cut portion.
2 more elements
Dependencies are inferred from the claim text.