Optical Electrical Module Groove Fixation for Alignment Precision
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Solution Overview
Problem
Conventional optical electrical modules face issues with reliability due to loose light-emitting or light-receiving elements and require skilled workers for precise alignment and processing, leading to high costs and low production efficiency.
Innovation Solution
An optical electrical module design featuring a first substrate with a reflective surface and a bearing portion to securely position a light guide element, enhancing the contact area and alignment precision between the optical element and the substrate, thereby improving reliability and reducing production complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the light-emitting element protrudes out of the pad to facilitate light signal provision, then the light signal can be effectively provided to the reflective surface, but the contact area between the light-emitting element and the pad becomes small, causing the element to easily fall off and reducing reliability
Solution Approach 1:
The invention introduces a vertical dimension to the fixation structure by creating a groove that receives the light-emitting element. Instead of relying solely on horizontal pad contact, the element is secured through vertical confinement within the groove structure, adding a dimensional aspect to the fixation mechanism that prevents falling off while maintaining signal provision capability
Solution Approach 2:
The groove acts as an intermediary structure between the pad and the light-emitting element. Rather than directly increasing the pad contact area, the groove mediates the fixation by providing a recessed space that mechanically constrains the element, solving the reliability issue without compromising the optical signal path
2Manufacturing precision
If skilled workers are used for precise alignment and processing, then alignment precision and manufacturing quality are improved, but production costs increase and production efficiency decreases
Solution Approach 1:
The groove structure is pre-formed in the substrate before the light-emitting element is mounted. This preliminary action creates a self-aligning feature that guides the element into the correct position during assembly, eliminating the need for skilled workers to perform precise alignment operations and enabling automated assembly processes
Solution Approach 2:
The groove structure provides self-alignment functionality, where the light-emitting element automatically positions itself correctly when placed into the groove. This self-service mechanism eliminates dependence on skilled operator intervention, reducing both labor costs and production time while maintaining high alignment precision
3Ease of operation
If the light-emitting element protrudes out of the pad, then the light signal can be provided to the reflective surface, but the element is prone to falling off and reliability deteriorates
Solution Approach 1:
The invention introduces a vertical dimension to the fixation structure by creating a groove that receives the light-emitting element. Instead of relying solely on horizontal pad contact, the element is secured through vertical confinement within the groove structure, adding a dimensional aspect to the fixation mechanism that prevents falling off while maintaining signal provision capability
Solution Approach 2:
The groove acts as an intermediary structure between the pad and the light-emitting element. Rather than directly increasing the pad contact area, the groove mediates the fixation by providing a recessed space that mechanically constrains the element, solving the reliability issue without compromising the optical signal path
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 enhanced design ensures stable fixation of optical elements, improves reliability, and simplifies the packaging process, reducing costs and increasing production efficiency by eliminating the need for complex alignment and slope processing steps.
Implementation Method 1
The reflective surface and the light guide element are disposed on an optical path of the light signal
Data Source
AI summary
An optical electrical module includes a first substrate, a second substrate, a bearing portion and at least one optical electrical element. The second substrate is combined with the first substrate and has a reflective surface facing the first substrate. The bearing portion is disposed between the first substrate and the second substrate to limit at least one light guide element. The optical electrical element is disposed on a surface of the first substrate facing the reflective surface and faces the reflective surface. The optical electrical element is configured for providing or receiving light signals. The reflective surface and the light guide element are disposed on an optical path of the light signals.