RoHS Compliant Medical PCBA ENIG Finish PCB Assembly and Manufacturing Mixed Technology

HTF provides comprehensive 1 to 64 layer medical PCBA assembly services with multiple surface finish capabilities including ENIG for fine-pitch component flatness requirements, immersion silver for superior high-frequency signal performance, OSP for cost-effective consumer medical applications, and HASL for connector and through-hole component durability on civil medical electronic devices. Our multilayer manufacturing capability spans the complete range from simple single and double-sided boards through complex 40-layer and above high-density interconnect constructions, with sophisticated layer stackup engineering ensuring signal integrity, power distribution, and thermal management optimized for each application. The wide surface finish selection enables optimal material matching to each medical device application. ENIG provides the exceptionally flat pad surfaces essential for fine-pitch BGA, QFN, and LGA packages common in modern medical electronics, with excellent shelf life for boards that may be stored between production and assembly. Immersion silver delivers superior high-frequency performance with lower insertion loss than ENIG, making it the preferred choice for medical devices incorporating wireless communication including Wi-Fi, Bluetooth Low Energy, and proprietary medical telemetry. OSP provides a cost-effective organic coating suitable for consumer-grade civil medical devices where budget constraints require process cost optimization without sacrificing reliability. HASL remains the proven choice for medical devices with through-hole connectors, power supply sections, and high-current interfaces requiring the durability of a thicker solder coating. Every assembly undergoes AOI testing as standard with 3-week lead time for production orders.

• Complete 1-64 Layer Range: Manufacturing capability from simple 2-layer boards through complex 40-plus-layer HDI constructions for the full spectrum of medical electronic device requirements.
• ENIG Surface Finish: Electroless nickel immersion gold providing flat pads for fine-pitch BGA and QFN components with excellent solderability and extended shelf life for medical device production.
• Immersion Silver Finish: Surface finish delivering superior high-frequency performance with lower insertion loss for medical devices incorporating wireless communication capabilities.
• OSP Cost-Effective Option: Organic solderability preservative providing economical surface protection suitable for consumer-grade civil medical device applications.
• HASL Proven Durability: Hot air solder leveled finish for medical devices with through-hole connectors and high-current interfaces requiring mechanical durability of thicker solder coating.
• Customized Copper Thickness: Copper weight tailored to application requirements from signal-level thin copper through heavy copper for medical power supply and high-current applications.
• AOI Testing Standard: Automated optical inspection on every assembly verifying solder joint quality with 3-week standard lead time for production order fulfillment.

HTF multi-layer medical PCBA assembly with surface finish selection serves civil medical devices where optimal material matching to electrical and mechanical requirements improves product performance and reliability. Portable medical diagnostic devices including handheld ultrasound scanners, mobile ECG monitors, and point-of-care blood analyzers with wireless data transmission benefit from immersion silver finish for RF communication performance. Medical imaging processing boards for X-ray, ultrasound, and endoscopy systems featuring high-density BGA processors and DDR memory interfaces require ENIG finish for the flat pad surfaces essential for reliable fine-pitch connections. Consumer medical wellness devices including fitness trackers, smart scales, and blood pressure monitors with cost-sensitive pricing benefit from OSP finish providing adequate reliability at lower cost. Medical power supply and motor controller boards for hospital beds, surgical tables, and infusion pumps with high-current through-hole components depend on HASL finish for connector interface durability.

Medical-grade anti-static protective packaging. Complete documentation with AOI reports and surface finish certification. Three-week standard lead time.