Fiber Optic Connector Sealing Membrane for Quick Clean Mating
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Solution Overview
Problem
Conventional fiber optic connectors require manual cleaning before mating due to dust caps, which is inconvenient and may impact optical performance, and there is a need for connectors that maintain a clean mating interface while allowing quick and easy deployment.
Innovation Solution
A sealing membrane is attached to the connector housing, protecting the optical surfaces and removable for easy access, using materials like foil, tape, or polymer, and attached via thermal swaging or adhesion, ensuring environmental protection until optical mating.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a dust cap is attached directly over the ferrule or screwed/snapped onto the connector, then the mating interface is protected from contaminants, but the connector requires manual cleaning before mating and the process is inconvenient
Solution Approach 1:
The sealing function is segmented from the dust cap structure and integrated into the connector housing itself. The sealing membrane is disposed within the housing and seals the optical interface when the connector is unmated, eliminating the need for separate dust caps while maintaining protection and enabling quick mating by simply pushing connectors together.
Solution Approach 2:
The sealing membrane is merged with the connector housing structure rather than being a separate dust cap component. This integration allows the sealing function to be inherent to the connector design, providing both protection and ease of mating operations without requiring additional manual steps.
2Object-affected harmful factors
If a dust cap is used to protect the optical interface, then contaminants are inhibited, but the mating process requires additional manual steps and time
Solution Approach 1:
The sealing membrane is pre-installed within the connector housing during manufacturing, so that protection is automatically in place before the connector is deployed. This preliminary sealing action eliminates the need for users to manually attach dust caps or perform cleaning steps during deployment, reducing time loss.
Solution Approach 2:
The sealing function is extracted from the dust cap concept and built into the connector housing structure itself. This extraction eliminates the need for separate dust cap components and manual attachment steps, allowing quick mating while maintaining protection against dust and debris.
3Productivity
If the optical interface is exposed for quick mating, then deployment is fast and easy, but the interface is vulnerable to contaminants
Solution Approach 1:
The sealing membrane dynamically transitions between sealed and open states based on the mating condition. When connectors are unmated, the membrane seals the optical interface to prevent contamination. When mating occurs, the membrane is pushed aside or deformed to allow the optical interfaces to contact, enabling fast connection without compromising protection during storage and transport.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The sealing membrane provides a clean and quick optical connection process without the need for dust caps, maintaining connector cleanliness and facilitating easy assembly.
Implementation Method 1
attached via thermal swaging or adhesion
Implementation Method 2
attached via thermal swaging or adhesion
Data Source
Figure 1~2
AI summary
Fiber optic connectors having a sealing membrane such as a foil or the like disposed on the front end of the connector housing for inhibiting dirt, debris or dust from reaching a ferrule end face are disclosed. The fiber optic connectors may have one or more ferrules with a mating end face that is located rearward of a front end of a connector housing of the fiber optic connector. The sealing membrane is disposed on the front end about a perimeter of the connector housing for inhibiting contaminants from reaching the one or more mating end faces of the respective ferrules until the fiber optic connector is desired to be mated. The sealing membrane is quick and easy to remove and/or pierce, thereby allowing optical mating of the fiber optic connector while providing single-use contaminant protection beforehand.