IPC International Community magazine an association member publication
Issue link: https://iconnect007.uberflip.com/i/1544975
a superior, sustainable, and cost-effective alter- native to electroless copper plating. It offers key environmental and operational benefits, including: • Up to 90% reduction in rinse water consump- tion and operator labor costs • No continuous generation of by-products in the process tank • Elimination of precious metal precursors such as palladium • Removal of hazardous chemicals, such as formaldehyde These advantages translate into significant sav- ings in water, waste treatment, power, chemicals, and labor costs. Figure 1 provides a comparison of these metrics for a single-pass production line, using Blackhole® direct metallization and Via Dep® 4550 electroless copper, operating at 200,000 sq.ft./month. Reducing the environmental footprint gives manu- facturers more flexibility in choosing production sites, reducing their vulnerability to material, water, labor, and energy shortages. As companies priori- tize sustainability and environmental regulations tighten, direct metallization allows manufacturers to remain compliant without compromising cost, efficiency, or quality. Looking Ahead As electronic devices shrink and functionality ex- pands, PCB fabrication must support finer features, thinner layers, and higher interconnect densities without sacrificing reliability. In a volatile manufac- turing landscape, constraints on materials, water, energy, and regulatory compliance are as critical as electrical performance. Direct metallization addresses these challenges head on. It improves reliability, increases yield, enhances process stability, and reduces environ- mental impact, all while strengthening supply chain resilience. By eliminating interfacial failure points, supporting diverse materials and designs, and enabling more sustainable manufacturing, direct metallization provides a robust foundation for ad- vanced HDI and IC substrate production. Its ability to support both high and mid com- plexity designs on a single production line makes direct metallization a strategic enabler for long term competitiveness in the evolving electronics manufacturing landscape. For more information on direct metallization for HDI PCBs and IC substrates, please contact Mac- Dermid Alpha Electronics Solutions. I-CONNECT007 References • "Advanced Viafill Reliability Using Direct Metallization Technology," by C. Gugliotti, IMPACT Conference, Taiwan, October 2024. Carmichael Gugliotti is director of primary metallization for MacDermid Alpha Electronics Solutions and new author. MAY 2026 I I-CONNECT007 MAGAZINE 33