
Flexible Circuits
Single-layer and multilayer flex, stiffeners, coverlay, EMI and assembled flex programs.
Discuss requirementsYaoHen supports FPC, rigid-flex, PCB and assembly programs from early DFM and samples through qualification and controlled production.
One contact point for fabrication, assembly, quality and delivery coordination.Movement, available space, reliability and assembly strategy determine the best circuit construction.

Single-layer and multilayer flex, stiffeners, coverlay, EMI and assembled flex programs.
Discuss requirements
Connector reduction and robust packaging for compact products and moving assemblies.
Discuss requirements
Board fabrication aligned to stack-up, material, impedance, finish and reliability needs.
Discuss requirements
BOM review, SMT planning, test and delivery support through one project contact.
Discuss requirementsFront-end technical alignment reduces design changes and keeps fabrication, assembly and validation connected.
Gerber or ODB++, drawing, BOM and volume.
Materials, stack-up, tolerances and risks.
Fabrication, tooling and sample assembly.
Function, dimension and reliability approval.
Quality, delivery and change control.
The circuit, assembly and application requirements should be reviewed together before sampling.
The control plan evolves as the design moves from learning-oriented samples to stable production.
| Stage | Main priority | YaoHen support | Typical output |
|---|---|---|---|
| Prototype | Fast technical learning | DFM clarification and sample coordination | DFM feedback and sample inspection |
| Pilot build | Assembly and process stability | Fabrication and SMT issue alignment | Build records and corrective actions |
| Production | Quality and delivery | Lot traceability and engineering changes | Quality records and delivery plan |
| Automotive / mobility | Reliability and documentation | Qualified supply-chain coordination, including IATF resources where required | Traceability and project-specific quality files |
Flexible and rigid-flex architectures help route power and signals through demanding mechanical envelopes.



YaoHen will organize the DFM questions that affect manufacturability, cost and delivery.