| MOQ: | 1 Piece |
| Price: | $1-$500/Piece |
| Standard Packaging: | Standard Medical-Grade Anti-Static Package |
| Delivery Period: | 3 Weeks |
| Payment Method: | T/T,PayPal,L/C,Western Union |
| Supply Capacity: | 500000 Pieces/Month |
HTF delivers advanced surface finish medical PCBA assembly services with primary expertise in ENIG, immersion silver, and OSP surface finishing technologies for 1 to 64 layer medical electronic boards used in civil medical devices where surface finish selection directly impacts solder joint reliability, signal integrity, and overall product performance. ENIG electroless nickel immersion gold provides the industry benchmark surface finish for medical electronics requiring the combination of flat pad surfaces for fine-pitch BGA and QFN components, excellent solderability, extended shelf life for boards that may be inventoried between fabrication and assembly, and reliable wire bonding capability for medical devices incorporating chip-on-board or hybrid circuit construction. Immersion silver delivers the superior high-frequency electrical performance required by modern medical devices increasingly incorporating wireless communication for patient data transmission, remote monitoring, and telemedicine applications, with lower insertion loss than ENIG at the gigahertz frequencies used by Wi-Fi, Bluetooth, and cellular medical telemetry. OSP organic solderability preservative provides an economical surface finish option for cost-sensitive civil medical devices where the thinner organic coating provides adequate solderability and shelf life for consumer-grade applications without the cost premium of precious metal finishes. Layer capability spans 1 to 64 layers supporting the complete range from simple 2-layer medical sensor boards through complex 40-layer and above high-density interconnect designs with controlled impedance routing, blind and buried via architectures, and laser-drilled microvias. Customized copper thickness, AOI testing standard, and 3-week lead time complete the manufacturing service specification.
Key Features| Parameter | Specification |
|---|---|
| Service | Advanced Surface Finish Medical PCBA Assembly |
| Primary Finishes | ENIG, Immersion Silver, OSP with HASL Available |
| ENIG Specification | 3-5 Micrometer Gold Over 3-7 Micrometer Nickel Per IPC-4552 |
| Immersion Silver Specification | 0.15-0.30 Micrometer Silver Per IPC-4553 |
| OSP Specification | 0.2-0.5 Micrometer Organic Coating Per IPC-4554 |
| Product Type | Medical PCBA for Civil Applications |
| Layer Range | 1-64 Layers |
| Copper Thickness | Customized Per Application |
| Special Processes | Wire Bonding, Chip-on-Board, Controlled Impedance, HDI |
| Testing | AOI Standard on Every Assembly |
| Lead Time | 3 Weeks Standard |
HTF advanced surface finish medical PCBA serves civil medical devices where surface finish technology directly enables product performance. Medical wearable devices with chip-on-board construction for ultra-compact form factors depend on ENIG finish for reliable wire bonding between bare semiconductor die and PCB substrate. Wireless patient monitoring systems transmitting continuous vital sign data to central nursing stations via Wi-Fi or proprietary medical telemetry at gigahertz frequencies benefit from immersion silver surface finish minimizing signal loss in RF circuits. Point-of-care diagnostic devices with fine-pitch BGA processors performing real-time analysis require ENIG finish providing the flat pad surfaces essential for reliable BGA solder joint formation. Consumer medical wellness products with aggressive cost targets utilize OSP finish delivering adequate reliability at the price point required for retail consumer distribution. Medical laboratory equipment incorporating FPGA-based signal processing with high-speed serial interfaces benefits from immersion silver for the multi-gigabit per second data rates of modern serial communication protocols.
PackagingMedical-grade anti-static protective packaging with humidity control for surface finish preservation. Complete documentation with AOI inspection reports, surface finish certification, and certificates of conformance. Three-week standard lead time.