Novram
Novram
Integrated solutions spanning precision-engineered computer components and high-speed processing architecture.
An engineering deep dive into the routing complexity, material science, and manufacturing tolerances that govern modern double-sided printed circuit boards.
Double-sided circuit boards (DS-PCBs) constitute the bedrock of mainstream electronic routing. By utilizing both the top and bottom copper layers connected via Plated Through-Holes (PTH), electrical engineers double the design surface area, enabling higher density trace paths without necessitating costly, multi-layer stack-ups. In high-frequency, heat-intensive configurations—such as DDR5 DRAM, enterprise motherboards, and server thermal management rigs—the design integrity of the double-sided board defines the overall efficiency, signal integrity, and thermal dissipation thresholds of the entire system.
Achieving structural reliability in double-sided printing and etching requires precise calibration of dielectric constant (Dk) and dissipation factor (Df). High-grade FR-4 substrate material selection, combined with varying copper weights (ranging from 0.5oz to 3oz depending on current load requirements), dictates how efficiently a circuit board performs under continuous mechanical and thermal loads. Advanced factories employ automated optical inspection (AOI) alongside direct laser imaging (LDI) to minimize trace deviations, preventing parasitic capacitance and crosstalk across opposite signal layers.
A leading Shenzhen manufacturer of high-performance DRAM solutions and precision circuit assemblies.
Novram Electronics Co., Ltd. is a professional DDR5 memory manufacturer based in Shenzhen, China, dedicated to delivering high-performance DRAM solutions for global OEM, ODM, and industrial customers. Established in 2016, the company has grown into a reliable supplier of DDR5 memory modules, serving partners across consumer electronics, industrial automation, embedded systems, gaming, and enterprise computing.
Operating from a modern 3,860㎡ manufacturing facility, Novram integrates advanced production equipment, strict quality management, and continuous R&D innovation to ensure every memory module meets international performance and reliability standards. Our experienced engineering team focuses on developing high-speed, stable, and energy-efficient DDR5 products for diverse computing applications.
With 9 years of industry experience and 7 years of export experience, Novram exports products to customers in more than 40 countries. The company achieves an annual export revenue of approximately US$18.6 million, supported by an efficient global supply chain and responsive customer service.
Quality is at the core of everything we do. Every DDR5 memory module undergoes 100% functional testing, compatibility testing, burn-in testing, temperature testing, and aging verification before shipment. Our quality control department consists of 42 professional inspectors, ensuring consistent product performance and long-term reliability. Novram maintains strong partnerships with over 860 qualified supply chain partners, enabling stable production capacity and reliable component sourcing.
Innovation drives our competitiveness. Our dedicated R&D center is staffed by 76 experienced engineers, allowing us to introduce approximately 138 new products each year. We provide comprehensive OEM, ODM, private label, logo printing, packaging customization, capacity customization, firmware optimization, and product specification customization to meet different market requirements.
Why global OEMs partner with Shenzhen-based manufacturers for double-sided circuit board sourcing and execution.
Unrivaled localization in Shenzhen enables raw material procurement, copper foil sourcing, substrate laminating, component mounting (SMT), and mechanical testing to happen within a 50km radius. This ecosystem ensures extremely fast prototype turnaround (24-48 hours) and lower logistics costs.
Adhering strictly to ISO9001:2015 and IPC Class 2/Class 3 manufacturing tolerances. Fully certified with UL94V-0 flammability ratings, RoHS, and REACH directives to guarantee direct compatibility and risk-free clearance in North American and European markets.
We eliminate lead time fluctuations through strong contractual partnerships with over 860 qualified supply chain partners, locking in competitive costs for FR-4 laminates, solder resist pigments, and metallic surface treatment chemicals.
The global demand for high-reliability double-sided PCBs is undergoing significant evolution due to the rise of edge computing, high-capacity RAM architectures, and green automotive electronics. Miniaturization has pushed trace width/spacing limits down to 3mil/3mil on standard double-sided configurations.
Key manufacturing parameters, design guidelines, and reliability standards for double-sided printed circuit boards.
Standard double-sided boards typically utilize base copper weights from 0.5 oz (approx 18μm thickness) up to 3.0 oz (approx 105μm thickness). The choice is dictated by current-carrying capacities and temperature limits. Standard signaling boards like RAM modules usually apply 1 oz base copper, whereas power supplies require thicker profiles.
HASL (Hot Air Solder Leveling) provides excellent solderability at a lower cost, but it leaves an uneven surface. ENIG (Electroless Nickel Immersion Gold) offers superior flat coplanarity, excellent oxidation resistance, and is optimal for fine-pitch Surface Mount Technology (SMT) and Ball Grid Array (BGA) packaging utilized in DDR4/DDR5 platforms.
We employ a combination of Automated Optical Inspection (AOI), Flying Probe electrical tests, and cross-sectioning analysis. The micro-section examination checks copper thickness inside the barrel of through-holes, ensuring a minimum wall thickness of 20 microns (0.8 mils) for mechanical and electrical durability.
Designers must ensure strict ground plane reference continuity under high-frequency signal traces. Ground return paths should not be interrupted by routed tracks. Additionally, vias must be systematically placed near decoupling capacitors, and track layout lengths should match to prevent propagation delays and phase skew.
Explore our full catalog of server radiators, gaming RAM, and double-sided fabrication machinery.
Connect directly with our 76-engineer R&D facility in Shenzhen. Request custom layout optimizations, layer-stack analyses, and quick-turn prototype quotes.
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