Batch-Molding Multi Optical Transmission Sheet Assembly
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Solution Overview
Problem
Conventional optical fiber connections, such as those using MT connectors, are complex and time-consuming due to the need to remove resin tape layers and batch covering layers to expose individual optical fibers for connection.
Innovation Solution
A batch-molding multi optical transmission sheet assembly that includes a sheet-like covering part made of plastic with embedded optical transmission regions, a housing member, and a fixing means, allowing for easier manufacturing and connection without the need to expose individual fibers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional optical fiber with resin tape layer and batch covering layer is used, then optical fiber protection and insulation are achieved, but connection complexity and time increase due to need to remove layers and expose individual fibers
Solution Approach 1:
The patent extracts and removes the resin tape layer and batch covering layer from the conventional optical fiber structure, leaving only the bare optical fibers to be directly inserted into the connector housing. This extraction eliminates the complex removal process while maintaining fiber protection through the connector housing itself.
Solution Approach 2:
The patent applies preliminary action by pre-arranging multiple optical fibers in parallel within a batch-molding structure before connection. The fibers are pre-positioned and held in place by a fixing member, so that during connection, the entire bundle can be inserted into the connector housing as a unit without requiring individual fiber exposure or complex manual arrangement.
2Reliability
If conventional optical fiber with resin tape layer and batch covering layer is used, then optical fiber protection is achieved, but connection time increases due to manual fiber extraction and insertion
Solution Approach 1:
The patent merges multiple optical fibers into a single integrated batch-molding structure where the fibers are collectively held and positioned by a fixing member. This merging allows the entire fiber bundle to be handled and inserted as one unit into the connector housing, dramatically reducing connection time compared to individual fiber insertion.
Solution Approach 2:
The fixing member within the batch-molding structure provides self-service by automatically holding and positioning the optical fibers in their correct relative positions. This self-positioning mechanism eliminates the need for manual alignment and adjustment during connection, further reducing connection time while maintaining fiber protection.
3Ease of operation
If batch-molding multi optical transmission sheet assembly is used, then connection simplicity and speed are improved, but manufacturing complexity may increase
Solution Approach 1:
The patent segments the connection process into two distinct phases: (1) Manufacturing phase where the batch-molding structure with fixing member is created, and (2) Connection phase where the pre-assembled structure is inserted into the connector housing. This segmentation allows the complex manufacturing to be done once during batch-molding, while the connection process remains simple and rapid during deployment.
Data Source
AI summary
A batch-molding multi optical transmission sheet assembly includes a batch-molding multi optical transmission sheet, a housing member, and a fixing element. The batch-molding multi optical transmission sheet includes a sheet-like covering part made of plastic, and a plurality of optical transmission regions, inside the covering part, including a core region made of plastic that is disposed to extend along an extending direction of the covering part and a clad region made of plastic that surrounds an outer circumference of the core region, the optical transmission regions being arranged in a line in substantially parallel with each other along a principal surface of the covering part. The housing member includes a disposition hole in which at least one end part of the batch-molding multi optical transmission sheet is housed. The fixing element fixes the batch-molding multi optical transmission sheet and the housing member.