Custom Multi-Layer PCB

Case Study 01

Custom Multi-Layer PCB for Communication Systems

Case Study 01

Custom Multi-Layer PCB for Communication Systems

Challenge

A European telecommunications client required a high-frequency, multi-layer PCB design for a next-generation communication module.

The project demanded:

12-layer HDI PCB with strict impedance control
Rare material specification (low-loss dielectric)
Compliance with both European and Asian manufacturing standards
Ability to prototype quickly while maintaining tight tolerances
A stable supply chain for ongoing production

Multiple suppliers had previously rejected the project due to its technical complexity, long material lead time, and precision fabrication requirements.

Solution

We approached the challenge through a structured, cross-regional execution strategy:

1. Technical Requirement Breakdown

12-layer HDI PCB with strict impedance control
Rare material specification (low-loss dielectric)
Compliance with both European and Asian manufacturing standards
Ability to prototype quickly while maintaining tight tolerances
A stable supply chain for ongoing production

2. Supplier Capability Mapping

Matched the PCB requirements with highly specialized manufacturers in Asia experienced in HDI and controlled impedance processes.
Conducted internal DFM reviews to minimize fabrication risk.

3. Material Sourcing Optimization

Secured a reliable supply of the required low-loss dielectric materials that meet EU environmental compliance (RoHS / REACH).
Arranged material reservations to stabilize future production.

4. Prototype → Validation → Production

Delivered prototypes within the compressed timeframe.
Provided full inspection data (stack-up, microsection, impedance reports).
Transitioned seamlessly into small-batch production.

Results

1. Delivered high-precision PCB prototypes 20% faster than the client's expected timeline.

2. Achieved near-zero impedance deviation in validation.

3. Established a long-term production workflow, ensuring cost stability and material availability.

4. The client adopted the PCB as the core component in its new communication product line.