Title:
【考案の名称】光学用フエルール
Document Type and Number:
Japanese Patent JPH04112205
Kind Code:
U
Abstract:
An optical ferrule including a non-metallic sleeve 11 formed with a through bore having a small bore portion 14 and a large bore portion 1. A bare fiber 13 and a coating 15 of an optical fiber 12 are adhesively fixed in the small bore portion and the large bore portion, respectively. The large bore portion 16 has at least one groove 17 formed in the inner surface thereof, the optical fiber has a rough surface portion 20 formed in the coating in at least a portion opposing to the groove, a glass tube 18 is inserted in the large bore portion between the small bore portion and the end face of the coating of the optical fiber and has an outer diameter larger than the inner diameter of the small bore portion and an inner diameter adapted for inserting of the bare fiber, and an adhesive 21 is filled between the components including the inner surface of the sleeve. Thereby, an optical ferrule having superior reliability and durability and capable of long use in stable condition is provided.
Inventors:
Matsuura Masami
Kazukazu Okajima
Kazukazu Okajima
Application Number:
JP2334691U
Publication Date:
September 30, 1992
Filing Date:
March 18, 1991
Export Citation:
International Classes:
G02B6/24; G02B6/36; G02B6/38; (IPC1-7): G02B6/36; G02B6/24
Domestic Patent References:
| JPS60186813A | 1985-09-24 | |||
| JPS59160110A | 1984-09-10 |