Detachable Fiber Array Fitting with Guide-Pin Alignment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing high-speed optical I/O modules face challenges in achieving precise alignment and secure attachment of detachable fiber array units to photonic receiving units, which affects signal transmission efficiency and reliability.
Innovation Solution
A detachable fiber array unit package is designed with guide pins and pin holes, combined with spring pushes and alignment features, to ensure accurate alignment and secure attachment to a ferrule receptacle, utilizing metal components for high machining accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional attachment methods are used for fiber array units, then the device structure is simple, but alignment accuracy deteriorates
Solution Approach 1:
Guide pins are introduced as intermediary elements between the fiber array unit and photonic receiving unit. These guide pins protrude from the ferrule receptacle and insert into corresponding holes in the fiber array unit, serving as a mediating alignment mechanism that achieves precise positioning without requiring complex integrated alignment features in the base structure.
Solution Approach 2:
The alignment function is segmented from the main body structure. Instead of having alignment features integrated into the ferrule receptacle housing, the alignment function is separated into distinct guide pins that can be independently positioned and adjusted, allowing for precise alignment while maintaining structural simplicity.
2Adaptability or versatility
If detachable fiber array units are used, then adaptability is improved, but connection reliability deteriorates
Solution Approach 1:
The guide pins act as intermediary connection elements that ensure reliable coupling between the detachable fiber array unit and the photonic receiving unit. By providing precise alignment through these intermediary pins, the connection maintains high reliability despite the detachable nature of the assembly, preventing misalignment during repeated connections and disconnections.
3Manufacturing precision
If precise alignment features are integrated into the ferrule receptacle, then alignment accuracy is improved, but manufacturing complexity increases
Solution Approach 1:
The alignment functionality is segmented into separate guide pin components rather than being integrated into the ferrule receptacle housing. This segmentation allows the guide pins to be manufactured independently with high precision using standard machining techniques, then assembled into the receptacle, thereby achieving alignment accuracy without increasing overall manufacturing complexity.
Solution Approach 2:
The alignment features are extracted from the ferrule receptacle body and implemented as separate guide pin elements. These extracted pins can be precisely manufactured and positioned independently, simplifying the manufacturing process compared to integrating complex alignment features directly into the receptacle housing.
Data Source
AI summary
A structure comprises a ferrule receptacle, a device die extending into a cavity of the ferrule receptacle from a first edge of the ferrule receptacle, a guide pin at least partially in the cavity, and a detachable fiber array unit extending into the cavity from a second edge of the ferrule receptacle. The first edge and the second edge are opposite edges of the ferrule receptacle. The guide pin has a portion in a pin hole of the detachable fiber array unit.