Roll-to-roll template-guided electroplating for micro/nanoscale particle production
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Solution Overview
Problem
Conventional roll-to-roll manufacturing methods do not utilize template-guided electroplating to produce particles, limiting the efficiency and scalability of particle production, especially for micro/nanoscale inorganic particles.
Innovation Solution
The integration of template-guided electroplating with roll-to-roll manufacturing using continuous rolls of template material, allowing for the continuous production of micro/nanoscale particles by modifying reel stock material through various processes such as sputtering, electroplating, and etching, and converting batch-by-batch synthesis into a continuous process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional disk-based electroplating methods are used, then particle manufacturing is possible, but production speed is slow and handling is complex
Solution Approach 1:
The patent divides the continuous template roll into discrete particle production units by forming multiple through-holes in the template material. Each through-hole acts as an independent particle formation zone, allowing parallel production of multiple particles simultaneously while using a continuous template substrate. This segmentation enables high-speed production without manual handling of individual templates.
Solution Approach 2:
The patent applies preliminary actions by pre-coating the template roll with conductive material before electroplating, and pre-forming the through-hole pattern in the template. This preliminary preparation allows the electroplating process to proceed continuously at high speed without interruption for template preparation or handling, directly improving productivity while maintaining ease of operation.
2Productivity
If batch-by-batch synthesis is used, then particle manufacturing is possible, but production efficiency is limited
Solution Approach 1:
The patent implements continuous useful action by using a continuous roll-to-roll electroplating process where the template moves continuously through the electroplating bath. Particles are formed continuously as the template passes through, eliminating the start-stop nature of batch processing. This continuous operation dramatically improves production efficiency and eliminates idle time between batches while maintaining consistent particle quality.
3Productivity
If individual disk templates are used, then template-guided electroplating is possible, but scalability is limited
Solution Approach 1:
The patent transitions from static individual disk templates to a dynamic continuous rolling template system. The template roll can be continuously fed through the electroplating apparatus, allowing easy scaling by simply running the template longer or using wider rolls. This dynamic system eliminates the need for complex manual template manipulation while providing excellent scalability for high-volume particle production.
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 enables faster and more efficient production of particles with sub-millimeter dimensions, achieving high process automation and scalability without the need for handling individual disk templates, thus overcoming the limitations of conventional methods.
Implementation Method 1
template-guided electroplating to manufacture particles using roll-to-roll manufacturing
Implementation Method 2
electroplating technique for manufacturing particles
Implementation Method 3
modifying reel stock material through various processes such as sputtering, electroplating, and etching
Data Source
AI summary
Disclosed embodiments provide a method and apparatus for continuous production of micro/nanoscale particles using roll-to-roll manufacturing in combination with electroplating. The roll-to-roll process can move a mechanically flexible reel stock material along rotating elements designed to position the material for various additive, subtractive, and modification processes. In accordance with at least one embodiment, processes applied at various stations may include sputtering, electroplating, and/or etching.