Optoelectronic Component Carrier Curing via Inductive Particle Heating
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Solution Overview
Problem
Existing processes for producing optoelectronic components often result in thermal overload, which can damage the components and lead to inefficiencies in heating and radiation management.
Innovation Solution
A process involving the application of a semiconductor layer sequence and a matrix material with ferromagnetic particles, where inductive heating of the particles softens the matrix material, allowing for uniform heating and reduced viscosity, thereby reducing thermal stress and enhancing component stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If conventional heating methods are used to soften the matrix material, then the matrix material can be softened and cured, but thermal overload damages the optoelectronic component
Solution Approach 1:
The patent applies local quality by incorporating ferromagnetic particles specifically into the matrix material rather than heating the entire component uniformly. This localized approach allows selective heating of only the matrix material through inductive heating of the ferromagnetic particles, avoiding thermal damage to the optoelectronic component while achieving the necessary softening temperature for the matrix material.
Solution Approach 2:
The ferromagnetic particles serve as an intermediary medium between the inductive heating field and the matrix material. These particles absorb the inductive energy and convert it to thermal energy, which is then transferred to the surrounding matrix material. This intermediary mechanism enables controlled heating of the matrix material without directly exposing the optoelectronic component to high temperatures.
2Stability of the object's composition
If uniform heating is applied to the entire component, then the matrix material softens uniformly, but the optoelectronic component suffers thermal damage
Solution Approach 1:
The ferromagnetic particles are distributed homogeneously throughout the matrix material, ensuring that inductive heating produces uniform softening of the matrix material. This homogeneous distribution allows the entire matrix material to reach the softening temperature uniformly while the optoelectronic component remains protected from excessive heat.
Solution Approach 2:
The heating function is segmented from the optoelectronic component by introducing ferromagnetic particles only into the matrix material. This segmentation allows independent control of the heating process for the matrix material alone, enabling uniform softening without compromising the integrity of the optoelectronic component.
3Reliability
If high temperature heating is used to cure the matrix material, then curing is achieved, but the semiconductor layer sequence is damaged
Solution Approach 1:
The patent changes the heating parameter from conventional high-temperature direct heating to lower-temperature inductive heating through ferromagnetic particles. This parameter change allows the matrix material to be cured at controlled temperatures that are sufficient for curing but low enough to prevent damage to the temperature-sensitive semiconductor layer sequence.
Solution Approach 2:
The patent replaces conventional thermal conduction heating with inductive heating through ferromagnetic particles. This substitution enables more precise temperature control and localized heating, allowing the matrix material to be cured without subjecting the semiconductor layer sequence to damaging high temperatures.
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
This approach effectively protects optoelectronic components from thermal overload by selectively heating the ferromagnetic particles, reducing radiation losses, and maintaining mechanical and optical stability through controlled heat treatment and material selection.
Implementation Method 1
the ferromagnetic particles are heated by induction, which at least partly softens the matrix material
Implementation Method 2
An alternating voltage or an alternating current is applied to the coil, which generates an alternating field in the ferromagnetic particles
Implementation Method 3
The ferromagnetic particles thus transmit thermal energy generated by induction to the matrix material surrounding the ferromagnetic particles
Data Source
AI summary
In an embodiment a method for producing an optoelectronic component includes providing a semiconductor layer sequence, applying a matrix material comprising ferromagnetic particles, wherein the matrix material is heatable by inductive heating of the ferromagnetic particles, inductively heating the ferromagnetic particles thereby at least partly softening the matrix material and curing the matrix material, wherein the matrix material forms at least part of a carrier.