Fiber Optic Connector Tape Member for End Face Contamination
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Solution Overview
Problem
Fiber optic connectors face contamination and defects on the end face, which degrade performance, despite the use of dust caps, as particles can still migrate and cause issues.
Innovation Solution
A fiber optic connector design incorporating a ferrule with a central region and recessed areas, a dust cap with a tape member that covers the central region, and an integrated tape dispenser within an inspection device to apply protective sheeting on the end face, preventing contamination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If dust caps are used to protect fiber optic connector end faces, then protection against contamination is improved, but particles from the dust cap interior can still migrate to the end face causing contamination
Solution Approach 1:
A tape member is applied to the end face of the ferrule before the dust cap is installed. This preliminary protective action ensures that when the dust cap is later removed, the tape member is also removed simultaneously, preventing any particles from the dust cap interior from contaminating the end face.
Solution Approach 2:
The tape member acts as an intermediary protective layer between the end face and the dust cap interior. It serves as a barrier that prevents particle migration from the dust cap while allowing the dust cap to remain in place for protection during transport and storage.
2Object-affected harmful factors
If tape member is applied to end face inside inspection device housing, then contamination prevention is improved, but device complexity increases
Solution Approach 1:
The tape dispensing mechanism is integrated into the inspection device housing, combining two functions (inspection and protection) into a single device. This merging reduces the need for separate equipment and minimizes handling steps that could introduce contamination.
3Ease of operation
If ferrule end face is kept exposed for inspection, then inspection accessibility is improved, but contamination risk increases
Solution Approach 1:
The tape member is applied to the end face before inspection begins. This preliminary protective measure allows the end face to remain accessible for inspection while being protected from contamination throughout the inspection process and subsequent handling.
Data Source
AI summary
Aspects and techniques of the present disclosure relate to a fiber optic connector assembly including a fiber optic connector with a front end and a back end. A ferrule positioned at the front end. The ferrule has a distal end face with a central region and recessed regions on opposite sides of the central region. The assembly includes a dust cap mounted on the ferrule. The dust cap has an open end and an opposite closed end. The fiber optic connector assembly also includes a tape member that covers the central region of the ferrule. The tape member can be secured to the dust cap such that when the dust cap is removed, the tape member simultaneously comes off with the dust cap.