Quartz Glass Emitter Reflector with Compacted Mirror Layer
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Solution Overview
Problem
Radiator components with gold reflectors face limitations in temperature stability and UV reflectivity, and opaque quartz glass reflectors have lower reflectivity in longer wavelength ranges, necessitating a method to enhance reflected optical power and production reliability.
Innovation Solution
A radiator component with a multi-layer reflector comprising an inner diffusely reflecting opaque glass layer and an outer specularly reflecting metal layer, where the opaque glass layer is compacted to create a dense surface for improved adhesion and reflectivity, and the metal layer is applied to enhance primary radiation reflection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a gold reflector layer is used, then high reflectivity is achieved, but temperature stability and resistance to thermal shock are limited
Solution Approach 1:
The patent applies a composite reflector structure consisting of a gold layer (for high reflectivity) combined with a quartz glass layer (for thermal stability). This composite material approach allows the system to simultaneously achieve high optical performance and thermal reliability, resolving the contradiction between reflectivity and temperature stability.
2Reliability
If a quartz glass reflector layer is used, then temperature resistance is improved, but reflectivity in the longer wavelength range decreases
Solution Approach 1:
The patent combines quartz glass (providing thermal resistance) with gold (providing high reflectivity in the relevant wavelength range). This composite structure allows the system to achieve both temperature resistance and high reflectivity, resolving the contradiction between these two properties.
3Manufacturing precision
If the opaque glass layer is compacted to create a dense surface, then adhesion and reflectivity are improved, but the manufacturing process complexity increases
Solution Approach 1:
The patent performs compaction of the opaque glass layer as a preliminary step before applying the gold reflector layer. By preparing the dense surface in advance, the subsequent gold layer application is facilitated, ensuring good adhesion and reflectivity while systematically managing the manufacturing process complexity.
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 multi-layer reflector design increases optical power density and reduces radiation and energy losses by directing secondary radiation forward, improving radiation efficiency and service life while maintaining chemical and thermal resistance.
Implementation Method 1
compact a surface area of the reflector layer made of opaque glass
Implementation Method 2
apply a specularly reflecting reflector layer to at least part of the compacted surface area
Implementation Method 3
outer, specularly reflecting reflector layer... enhance primary radiation reflection
Data Source
Figure 1~2
Figure 3
AI summary
In a known method for producing an emitter component with a reflector, a flowable aqueous SiO2 slip is produced using a slip method, and the slip is applied onto a quartz glass main part in the form of a slip layer. The slip layer is then dried and glazed, thereby forming a quartz glass layer which is more or less opaque and diffusely reflective. In order to produce an optical component with a reflective layer made of opaque quartz glass with increased reflective optical power, a method is proposed having the steps of: providing a main part with a surface which is at least partly coated with a reflective layer made of opaque glass, compressing a surface region of the reflective layer made of opaque glass, and applying a mirror-reflective layer on at least one part of the compressed surface region.