Portable Coating Reactor With Surface Activation and Chemical Verification

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Solution Overview

Problem

Existing materials processing and deposition methods are limited in producing complex multi-functional coatings, often requiring multiple steps and complex equipment, making it difficult to achieve desired properties such as hydrophobic, hydrophilic, or anti-corrosive coatings efficiently.

Innovation Solution

An apparatus and method that combines a coating chemical reactor with surface activation using ozone, oxygen, or halogens to create an energetically reactive surface, coupled with a coating chemical verification system for precise chemical dispensing and validation, enabling the deposition of complex coatings like fluoroalkylsilane or alkoxyalkylsilane molecules for multi-functional properties.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If traditional single-task deposition processes are used, then equipment simplicity is maintained, but the ability to produce complex multi-functional coatings is limited

Engineering Contradiction:
Improveability to produce complex multi-functional coatingsVSAvoidequipment complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent combines multiple deposition functions (thermal evaporation, e-beam evaporation, sputtering, CVD, MOCVD) into a single integrated apparatus. The system uses a common vacuum chamber with multiple material sources and a programmable controller that can sequentially or simultaneously operate different deposition methods to create multi-functional coatings with properties such as hydrophobic, hydrophilic, anti-corrosive, and UV-resistant characteristics.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The deposition apparatus is designed as a universal system capable of performing multiple deposition tasks. It includes interchangeable material sources, adjustable deposition parameters, and a control system that can be programmed to execute different deposition sequences, allowing the same equipment to produce various types of functional coatings on different substrates for diverse applications.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If multiple deposition steps are used to achieve complex coatings, then coating functionality is improved, but processing time and complexity increase

Engineering Contradiction:
Improvecoating functionalityVSAvoidprocessing time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The system enables continuous deposition processing by maintaining vacuum conditions throughout the chamber and sequentially depositing multiple materials without breaking vacuum or requiring intermediate processing steps. The programmable controller coordinates the continuous operation of different material sources, allowing multi-layer functional coatings to be formed in a single uninterrupted cycle, significantly reducing total processing time compared to traditional multi-step processes.

Inventive Principle:
Principle #20Continuity of useful action

Solution Approach 2:

The apparatus pre-configures all necessary material sources, deposition parameters, and sequencing logic before the deposition process begins. The control system is programmed with the complete deposition sequence, including timing, rates, and layer thicknesses for each material, allowing the actual deposition to proceed automatically without intermediate interventions or setup changes, thereby minimizing processing time while maintaining complex coating functionality.

Inventive Principle:
Principle #10Preliminary action

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

Enables the production of complex multi-functional coatings with improved properties such as self-cleaning, UV-resistance, anti-abrasive, and anti-corrosive properties in a single, portable, and scalable process, suitable for various substrates and applications.

Implementation Method 1

a coating chemical verification apparatus comprising an optical excitation source (340) and one or more optical detectors (350-1, 350-2) that prepares and validates the coating chemical for deposition

Methodology Applied
Scientific EffectOptical excitation: Fluorescence

Implementation Method 2

a surface activation apparatus (3) for activating the surface of a substrate; coupled to the deposition chamber (9), wherein the surface activation apparatus (3) generates ozone, oxygen, hydrogen peroxide, halogens, or other oxidizing species

Methodology Applied
Scientific EffectOzone generation: Ozone

Implementation Method 3

coating the surface with the desired coating, wherein the surface covalently binds with molecules of the coating chemicals

Methodology Applied
Scientific EffectCovalent bonding: Chemical Bonding

Data Source

PatentEP3007733B1Fixed and portable coating apparatuses and methods
Publication Date: 2023.08.02 UNIV HOUSTON SYST
  • EP3007733B1 patent drawingFigure 1~2
  • EP3007733B1 patent drawingFigure 3~5
  • EP3007733B1 patent drawingFigure 6(a)~6(d)

AI summary

A system and method for depositing a coating may comprise a coating chemical reactor, surface activation component, and a deposition component. A target surface may be prepared for deposition with the surface activation component. The coating chemical reactor may comprise a coating chemical dispenser and a coating chemical verifier that prepares the coating chemical for deposition. The coating chemical verifier may utilize an optical excitation source and at least one optical detector, wherein chemical substances are identified by unique signatures composed of binary code. The coating chemical may be received by the deposition component to depositing the coating chemical on the target surface.