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Precision Control for Advanced Functional Materials in Electronics
Lamina’s LCTR® reactor system enables continuous, scalable, and highly controlled production of key electronic materials used in displays, semiconductors, energy devices, and more. By leveraging laminar Taylor flow, the LCTR® provides exceptional advantages over conventional batch systems in terms of uniform particle size, yield, and reproducibility—all critical factors in electronics manufacturing. From quantum dots to OLED intermediates, our technology supports the next generation of electronic materials.
Why Choose LCTR® for Electronics Materials?
- Customizable flow, temperature, and reaction kinetics
- Proven performance across multiple material classes
- Enables environmentally safer and lower-cost production routes
01. Zirconia Beads – Emulsion Polymerization
- Objective: Fast, continuous production with precise control over bead size and sphericity.
Result: LCTR® achieves faster, more uniform, and higher-yield bead production.
| Classification | LCTR | Vibratory Mill | Homogenizer |
| Equipment Shape |  |  |  |
| Bead Size(㎛) | 40~60 | 50~130 | 20~100 |
| Sphericity (%) | 95 | 89 | 85 |
| Particle Size Distribution | 1.2 | 3.6 | 4.2 |
| Yield (%) | 95 | 83 | 78 |
| Particle Shape |  |  |  |
* These research results are excerpted from the results of Dr. Ryu Byeong-hwan of the Korea Research Institute of Chemical Technology.
02. Quantum dot (Core-shell process)
- Objective: Uniform particle size, continuous synthesis for optical precision.
InP/ZnS Synthesis
• Emission wavelengths: 505, 540, 605 nm
• FWHM (linewidth): 46–48 nm
• Quantum yield: >50%
CdSe/ZnS Synthesis
• Emission wavelengths: 510, 620 nm
• FWHM: 26–35 nm
• Quantum yield: >80%
03. Catalyst (Core-shell process)
- Objective: Reduce particle size and enhance DMS conversion efficiency.
Reaction:
- Cu(NO3)2 + NaOH + SiO2 → Cu(OH)2-SiO2
- Cu(OH)2-SiO2 →△ CuO-SiO2
| Classification | Batch | LCTR | ||
| 1000rpm,85℃ | 1000rpm,85℃ | 600rpm,25℃ | 300rpm,25℃ | |
| DMS conversion ratio (%) | 42.5 | 76.1 | 53.1 | 34.8 |
| Particle size (nm) | 28 | 13 | 24 | 30 |
* The results of this study are excerpted from the results of Dr. Hwang Dong-won of the Korea Research Institute of Chemical Technology.
04. Metal Nanoparticles – Capping Synthesis
- Objective: Achieve high yield, uniform size distribution, and reproducibility in a continuous system.
Experimental Conditions:
• Stirring speed: 400–1000 rpm
• Temperature: 100–350°C
• Reaction time: 1–5 minutes
| Classification | Experiment 1 | Experiment 2 | Experiment 3 |
| Reaction Temperature (℃) | 130 | 155 | 125 |
| Stirring Speed (rpm) | 600 | 600 | 800 |
| Size Uniformity (A1/At) a) | 0.6 | 0.1 | 0.8 |
| Average Particle Size (㎚) | 100 | 100 | 5 |
| Resistivity (μΩ·㎝) | 9 | 60 | 50 |
* The results of this study are excerpted from the results of Dr. Hwang Dong-won of the Korea Research Institute of Chemical Technology.
a) The closer to 1, the more uniform the particle size distribution (A1: sum of the areas of the smallest particle size, At: sum of the areas of all peaks)
05. OLED Emitting Material – Cooling Crystallization
- Objective: Cost-effective continuous purification under ambient conditions.
| Classification | Sublimator | LCTR® |
| Equipment Shape |  |  |
| Method | Dry | Wet |
| Purity (%) | 99.95 | 99.99 |
| Process Type | Batch | Continuous |
| Temperature(℃) | 270~280 | Room temp |
| Pressure (Pa) | Vacuum | Atmospheric |
| Time (h) | 12~24 | 1 |
| Cost (10USD/kg) | 10,000 | 3,000 |
05. OLED Emitting Material – Cooling Crystallization
Reaction:
KF + K₂MnF₆ + HF + H₂SiF₆ → K₂SiF₆:Mn⁴⁺
Result:
• Continuous large-scale production
• Improved safety (handles HF safely)
• Compact reactor footprint
• Particle size control with stable luminescence center
* The results of this study are excerpted from the results of Dr. Changhae Kim of the Korea Research Institute of Chemical Technology.