Optoelectronic Cover Foil for Clean Assembly and Solar Shielding
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Solution Overview
Problem
Optoelectronic components face challenges in protection against contamination and solar radiation during assembly and use, with existing solutions being either temporary or requiring expensive materials like stainless steel.
Innovation Solution
A partially removable cover made of metal-containing foil, such as aluminum, is used to provide temporary protection against contamination during assembly and permanent protection against solar radiation, with the cover being self-adhesive in areas that remain on the component and non-adhesive over the radiation passage surface to prevent damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a cover is used to protect the radiation passage surface during assembly, then protection against contamination is improved, but the cover may damage the radiation passage surface or obscure markings
Solution Approach 1:
The cover is designed with spatially varying adhesive properties: non-adhesive in the region corresponding to the radiation passage surface to prevent damage and allow marking visibility, and adhesive in other regions to provide temporary protection during assembly. This local differentiation of adhesive quality resolves the contradiction between protection and damage risk.
2Object-affected harmful factors
If a permanent protective coating is applied to the housing top surface, then protection against solar radiation is improved, but the cost increases due to expensive materials like stainless steel
Solution Approach 1:
The patent uses a disposable cover made of inexpensive metal-containing foil instead of permanent expensive coatings like stainless steel. The cover provides temporary protection during assembly and can be partially removed later, eliminating the need for costly permanent protective layers while achieving the same solar radiation protection function.
Solution Approach 2:
The protective function is achieved by changing the state of the cover from attached to partially removed, rather than applying a permanent material coating. The metal-containing foil provides solar radiation protection when in place, and its removal or partial removal allows access to the radiation passage surface without requiring expensive permanent protective materials.
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 solution effectively protects optoelectronic components from contamination during assembly and solar radiation after assembly, reducing the need for expensive materials and simplifying the attachment process while maintaining visibility of markings and providing efficient solar radiation protection.
Implementation Method 1
A partially removable cover made of metal-containing foil, such as aluminum, is used to provide temporary protection against contamination during assembly
Implementation Method 2
the cover being self-adhesive in areas that remain on the component
Data Source
AI summary
In an embodiment an arrangement includes an optoelectronic component having a radiation passage surface and a housing top surface, which surrounds the radiation passage surface in lateral directions at least in places and a cover covering the radiation passage surface and the housing top surface at least in places, wherein the cover is configured to be partially removed such that the radiation passage surface is at least partially exposed and the housing top surface remains covered at least in places by a remainder of the cover.