Metallizing Insulation Substrates via Ink Treatment
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Solution Overview
Problem
Existing methods for metalizing insulation substrate surfaces, such as ceramic, glass, and cement substrates, face challenges in achieving strong adhesion of the metal layer and efficient plating processes, which affect the reliability and cost-effectiveness of electromagnetic signal transduction pathways.
Innovation Solution
A method involving the application of an ink composition containing specific metal compounds, heat treatment in a non-reactive atmosphere, and subsequent electroless or chemical plating to form a metal layer with enhanced adhesion and plating rate, using compounds like TiO2-σ, M1<M2<pOq, where M1 and M2 are selected from specific elements, to improve the metalization process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional plating methods are used on insulation substrates, then the metal layer can be formed, but the adhesion force between the metal layer and substrate is insufficient
Solution Approach 1:
The patent applies preliminary action by treating the insulation substrate surface with ink composition containing metal compounds (such as TiO2, CuO, Fe2O3) before plating. This surface treatment creates a foundation layer that enhances subsequent metal layer adhesion. The ink layer is applied and dried first, then heat-treated at 500-1000°C to form a stable base, and only then is the metal layer plated, ensuring strong bonding from the start.
Solution Approach 2:
The ink composition acts as an intermediary layer between the insulation substrate and the metal layer. This intermediate layer contains metal compounds that facilitate bonding between the substrate and metal layer. The ink layer composition includes metal compounds and binders that create chemical and physical connections, serving as a mediator that resolves the adhesion problem between incompatible substrate and metal surfaces.
2Strength
If heat treatment at high temperature is applied to improve adhesion, then the adhesion force increases, but the production time increases
Solution Approach 1:
The patent applies parameter changes by optimizing the heat treatment temperature range to 500-1000°C and controlling treatment time to 5-60 minutes. By adjusting these parameters, the process achieves adequate adhesion strength without excessive time consumption. The specific temperature range activates the metal compounds in the ink layer to form strong bonds while keeping the process efficient for industrial production.
Solution Approach 2:
The patent uses partial action by applying heat treatment for a limited duration (5-60 minutes) at optimized temperatures rather than prolonged high-temperature treatment. This partial treatment is sufficient to activate the adhesion mechanisms in the ink layer without unnecessarily extending production time, achieving the optimal balance between adhesion strength and production efficiency.
3Reliability
If expensive precious metals like silver are used for plating, then the signal transduction performance is improved, but the production cost increases
Solution Approach 1:
The patent replaces expensive precious metals with cheaper alternative metal compounds in the ink composition. Metals such as copper, iron, and their oxides are used instead of silver, significantly reducing material costs. The ink layer containing these affordable metal compounds provides sufficient conductive performance for signal transduction while making the overall manufacturing process more cost-effective.
Solution Approach 2:
The patent changes the material composition parameters by substituting the metal type in the plating process. Instead of using traditional expensive precious metals, the ink composition contains alternative metal compounds that are heated and plated to form conductive layers with adequate electrical properties for signal transduction, thereby reducing material costs while maintaining functional performance.
4Productivity
If low plating rate is accepted with conventional methods, then the plating process is simpler, but the production efficiency decreases
Solution Approach 1:
The patent improves plating rate through preliminary action by pre-treating the substrate with ink composition containing metal compounds before plating. This preparation creates an optimized surface that accelerates the subsequent plating process. The ink layer is applied, dried, and heat-treated in advance to form a receptive surface that enables faster and more efficient metal layer deposition, significantly improving production efficiency.
Solution Approach 2:
The patent changes process parameters by introducing heat treatment at 500-1000°C for 5-60 minutes as a preparatory step before plating. This parameter change activates the metal compounds in the ink layer, creating a surface that enhances plating rate. The optimized temperature and time parameters enable faster metal deposition while maintaining process control and quality.
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 method achieves a strong adhesion force of the metal layer to the substrate, increases production efficiency, and reduces costs by using less expensive metal compounds, while providing a reliable and sensitive signal transduction pathway.
Implementation Method 1
subjecting the insulation substrate with an ink layer to heat treatment at a temperature of 500 to 1000 degree Celsius in an non-reactive atmosphere
Implementation Method 2
plating at least one metal layer on the ink layer
Data Source
AI summary
A method of metalizing a surface of an insulation substrate is provided and an article obtainable by the method is also provided. The method may comprise the steps of: applying an ink composition onto a surface to be metalized of the insulation substrate, obtaining an insulation substrate with an ink layer; subjecting the insulation substrate with an ink layer to heat treatment at a temperature of about 500 to 1000 degree Celsius in an non-reactive atmosphere; plating at least one metal layer on the ink layer, the ink composition comprises a metal compound and an ink vehicle, the metal compound is at least one selected from a group consisting of a nano-copper oxide, a nano- cuprous oxide, a compound of formula (I) and a compound of formula (II), TauϊO2-sigma (I), M1M2 pOq (II), 0.05<=sigma<= 1.8, M1 is at least one element selected from a group consisting of groups 2, 9-12 of the periodic table according to IUPAC nomenclature, M2 is at least one element selected from a group consisting of groups 3-8,10 and 13 of the periodic table according to IUPAC nomenclature, 0