VoltDRAM
VoltDRAM
Pre-configured semiconductor and component platforms optimized for integration with 270nm-410nm ultraviolet curing and sanitation setups in Sri Lanka.
Whitepaper on the deployment of 270nm to 410nm Solid-State Emitters for industrial sanitization, polymer cross-linking, and commercial agriculture.
The ultraviolet (UV) electromagnetic spectrum between 270nm and 410nm marks the transition boundary from germicidal radiation to high-intensity photochemical curing. Understanding the distinct properties of sub-wavelength zones is crucial for procurement teams and design engineers developing application-specific hardware:
Design Advantage of the 3535 Form Factor: The 3.5mm x 3.5mm surface mount device (SMD) packaging features a ceramic base substrate coupled with a specialized quartz lens. This setup offers low thermal resistance (Rth < 8 K/W) and high chemical resistance, making it suitable for dense component packaging and long-term industrial operations.
Sri Lanka's industrial sectors are shifting toward automated, eco-friendly chemical alternatives. This transition is boosting demand for stable 270nm-410nm 3535 LED components across several key areas:
Agricultural Exports & Spice Preservation: In Sri Lanka's spice export sector, keeping microbial levels low while preserving volatile organic compounds (such as piperine in black pepper and cinnamaldehyde in Ceylon cinnamon) is a key challenge. Traditional heat treatments can degrade taste and aroma. Implementing inline 275nm UVC tunnel conveyors allows exporters to sanitize spice surfaces without heat, helping products meet strict European and North American customs standards.
Apparel Industry Curing & Printing: As a major global apparel hub, Sri Lanka's manufacturing plants are shifting away from solvent-based screen printing inks. Modern printing lines use 395nm UVA LED array units to cure inks almost instantly, which reduces energy usage by up to 70% compared to traditional thermal drying ovens.
Ecotourism & Hospitality Sanitation: Post-pandemic, Sri Lankan hotels and luxury villas are adopting inline UVC water filters and duct-based air purifiers to assure guests of high sanitary standards. Using compact, low-maintenance 3535 LEDs allows hospitality providers to avoid chemical disinfectants that can affect local eco-resort environments.
| Wavelength Range | Optimal Forward Current | Typical Radiant Flux | Dominant Application Profile |
|---|---|---|---|
| 270nm - 280nm (UVC) | 350mA - 700mA | 40mW - 120mW | Water disinfection, medical sanitization, surface sterilizers |
| 310nm - 320nm (UVB) | 350mA - 500mA | 80mW - 180mW | Dermatological treatments, biosensing, agriculture research |
| 365nm - 385nm (UVA) | 500mA - 1000mA | 800mW - 1600mW | High-speed ink curing, security check verification, industrial inspection |
| 395nm - 410nm (UVA+) | 700mA - 1500mA | 1200mW - 2500mW | 3D printing resins, industrial bonding, architectural wood coatings |
Industrial manufacturing capabilities, quality assurance standards, and cleanroom production of advanced optoelectronics.
VoltDRAM Semiconductor Co., Ltd. is a professional DDR5 memory manufacturer specializing in high-performance DRAM solutions for servers, PCs, and data center applications. The company was registered between 2015–2018 and has rapidly developed into a reliable global supplier in the memory industry.
Our manufacturing facility covers an area of approximately 320–480㎡, equipped with advanced production and testing lines. We generate an annual export revenue of around USD 8–18 million, with 6–9 years of export experience and 8–15 years of industry expertise in semiconductor memory development and manufacturing.
Quality is at the core of VoltDRAM. We implement strict ISO-based quality management systems, combined with automated optical inspection (AOI), electrical performance testing, burn-in testing, and reliability stress testing to ensure stable product performance. Our quality control team consists of 35–80 experienced inspectors, ensuring every batch meets international standards.
With a strong international trade background, VoltDRAM mainly serves markets in North America, Europe, Southeast Asia, and the Middle East. We maintain long-term cooperation with over 600–1,500 supply chain partners, supporting a stable and efficient production ecosystem.
Our customers include OEM/ODM brands, system integrators, data center operators, and industrial computer manufacturers. We have strong R&D capabilities focused on high-speed DDR5 architecture optimization, signal integrity improvement, and power efficiency design. We also provide full customization options, including PCB design, memory capacity configuration, frequency tuning, and branding solutions.
Each year, we launch approximately 120–450 new product variants, supported by a dedicated R&D team of 60–300 engineers. Our innovation-driven approach allows us to continuously deliver competitive and high-performance memory solutions to global customers.
VoltDRAM is committed to becoming a trusted global partner in the DDR5 memory industry, delivering stable, fast, and efficient memory products for the next generation of computing systems.
PCB manufacturing, thermal cooling components, and controller modules designed to support high-intensity UV LED arrays in industrial environments.
Sourcing optoelectronic and semiconductor technologies from Chinese manufacturing hubs like VoltDRAM offers strategic benefits for Sri Lankan enterprises in terms of scale, cost, and technology access:
Integrating high-power 3535 LED arrays (especially 270nm-280nm UVC emitters with low electrical-to-optical conversion efficiency) requires careful thermal management. Excessive heat at the junction can shorten the component's lifespan and reduce output power. Key integration guidelines include:
Metal Core Printed Circuit Boards (MCPCBs): Standard FR4 substrates are not suitable for high-power UV LEDs due to their low thermal conductivity. Instead, engineers should use copper-clad or ceramic-faced PCBs with a conductivity of at least 2.0 W/m•K to help heat move quickly away from the LED base.
Active and Passive Cooling Solutions: For dense arrays, passive heatsinks might not be enough. Using copper water blocks or active liquid-loop cooling plates helps maintain the junction temperature below 60°C, ensuring stable light output and longer operating life.
Answers to common engineering and sourcing questions about integrating 270nm-410nm 3535 UV LEDs in the Sri Lankan market.
Complete components and development platforms suitable for controllers, data analysis servers, and control systems in Sri Lankan enterprises.
