Engineered to operate with high-precision SMT laser stencils for optimal solder-paste transfer and zero-defect board assembly.
An in-depth engineering brief on optimizing solder paste printing processes, SMT yield management, and localize supply chain solutions under Brazil's regulatory frameworks.
Brazil is one of the largest electronic manufacturing clusters in Latin America, primarily driven by the active industrial zones of Manaus (Zona Franca de Manaus) and the technology parks across São Paulo. As structural legislation such as the "Lei de Informática" (IT Law) incentivizes local manufacturing and final integration of smart devices, telecom systems, and computing products, high-yield PCB assembly (PCBA) has become a primary bottleneck for regional enterprises.
Under tropical conditions and intense logistics demands, the stability of solder paste transfer during SMT processes is paramount. The design of laser-cut stencils directly regulates defect rates such as solder bridging, insufficient paste deposits, and tombstoning of sub-millimeter components (like 0201 or 01005 passives and 0.4mm pitch BGAs). High-quality laser stencils imported from reliable manufacturing hubs must adhere to extreme tolerances, using high-tensile stainless steel sheets (SUS304 or fine-grain stainless steel) to minimize degradation over thousands of printing cycles.
Modern SMT stencils are no longer simple sheets with holes; they are highly customized fluid-dynamic control masks. Standard laser cutting yields tapered aperture walls which assist solder release. However, for high-density components, electro-polishing or nano-coatings are applied to the stencil surface and inner walls.
Navigating the Brazilian customs process (Receita Federal) requires rigorous documentation and strategic tariff management. Stencils, listed under custom metal tool classifications, along with PCBA and Memory components, face detailed evaluations including PIS, COFINS, IPI, and ICMS taxes. Corexis ensures compliance by providing highly detailed packing lists, HS-code optimization (under NCM - Nomenclatura Comum do Mercosul), and localized export packaging design to withstand customs holds and marine/air logistics conditions.
Whether exporting directly to the Manaus Free Trade Zone (ZFM) under tax-benefit schemes or to São Paulo’s system integrators, we configure our logistics lanes to guarantee lead time stability. Over 8 years of shipping experience has enabled us to minimize customs delays and maintain SMT line runtimes.
Beyond the laser-cut stencils, high-yield PCB assembly requires the seamless integration of raw materials, components, and thermal interfaces. Corexis provides holistic support by manufacturing high-performance memory modules (DDR4/DDR5 for servers and systems) alongside prototyping assemblies and copper heat sinks. We understand that thermal management is the second phase of assembly durability—making thermal paste printability and heatsink alignment critical factors in design stages.
By offering both SMT stencils and specialized memory modules, we deliver a unified component-and-tooling solution. This allows Brazilian system integrators to purchase reliable materials tested on the same production machinery, optimizing overall manufacturing pipelines.
A professional DDR5 memory and SMT integration manufacturer dedicated to delivering high-performance solutions for global OEM, ODM, and brand customers.
Since its establishment in 2016, Corexis has focused on memory technology innovation, advanced manufacturing, and strict quality management. Our products are widely used in desktop PCs, laptops, servers, industrial computers, embedded systems, and AI applications. With a modern manufacturing facility covering 21,800 m², Corexis integrates R&D, SMT production, testing, packaging, and quality assurance under one roof. Our experienced engineering team continuously develops reliable and high-speed memory products that meet international standards and the evolving demands of the global market.
Advanced heat dissipation, controller boards, and prototype PCB solutions developed to align with local assembly requirements.
Understand the technicalities of aperture design, material choice, and how we handle rapid shipping to Brazilian assembly ports.
Reliable components designed, manufactured, and packaged to meet strict industrial QC requirements.
Corexis Memory