Quote

Customized EMS Solutions

Client Background

A European medical device developer faced a critical challenge: their innovative portable diagnostic system required a complete electronics manufacturing solution, but their existing suppliers could only handle discrete portions of the project. PCB fabrication was managed by one vendor, component sourcing by another, and final assembly outsourced to a third—creating coordination overhead, quality inconsistencies, and extended lead times that threatened their product launch timeline.

The Challenge

The client’s product demanded:

  • 8-layer rigid-flex PCB with controlled impedance and ENIG finish

  • Complex component sourcing including hard-to-find medical-grade sensors

  • IPC Class 3 assembly with full traceability and 100% inspection

  • Custom aluminum housing with EMI shielding

  • Complete documentation for regulatory submission (CE, FDA

With no single EMS partner capable of managing the entire workflow, the client faced a fragmented supply chain and a projected 24-week lead time—six months behind their target launch.

Our Approach

Weller’s engineering and operations teams proposed a fully customized EMS solution, consolidating all manufacturing and supply chain activities under one roof:

  • Design for Excellence (DFX) Review – Our engineers optimized the PCB layout for both manufacturing efficiency and assembly reliability, collaborating with the client to refine the enclosure design for cost-effective CNC machining.
  • Integrated Supply Chain – We sourced all components—including long-lead medical-grade sensors—through our global network, leveraging volume purchasing to secure better pricing and faster delivery.
  • Parallel Manufacturing – While PCBs were fabricated and assembled in our ISO 13485-certified facility, we simultaneously machined the aluminum enclosures and prepared the final assembly line.
  • Full Traceability – Every component was tracked from receipt to final assembly, with documented batch records and serialized units for complete regulatory compliance.
  • Comprehensive Testing – Each unit underwent 100% functional testing, environmental stress screening, and EMI verification before final packaging.
  • Regulatory Documentation – We provided complete manufacturing records, test reports, and traceability documentation to support the client’s CE and FDA submissions.

Result

By consolidating all processes with a single EMS partner, the client achieved:

MetricBeforeAfter
26 weeks10 weeks
41
65%99.5%

The first production batch of 2,500 units was delivered in just 10 weeks—fully compliant with medical device regulations. The client successfully launched their product on schedule, with zero field failures reported in the first six months.

Conclusion

This project demonstrates how a truly customized EMS partnership can transform a fragmented supply chain into a streamlined, scalable, and compliant manufacturing engine. By integrating PCB fabrication, component sourcing, assembly, enclosure manufacturing, and regulatory documentation under one roof, Weller enabled our customer to focus on what matters most—bringing life-saving diagnostic technology to market faster.

For OEMs facing similar complexity, a customized EMS approach can accelerate time-to-market, reduce supply chain risk, and ensure regulatory readiness.

Full-service electronics manufacturing facility with PCB fabrication, SMT assembly, CNC enclosure machining, and final testing lines under one roof

Click to download the case study in PDF format.

Download PDF