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PCB Quality Control Methods and Inspection Process


Helping design engineers avoid hidden PCB manufacturing risks through strick and standardized printed circuit board testing, material control, and certified quality systems at any stage.

Quality Management
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How We Ensure PCB Quality

(Short, Essential Points)

Quality Management

Engineering-First Prevention

Full DFM & stackup validation Impedance and material confirmation.

Risk checks: HDI, RF, microvias, heavy copper.

Quality Management

Tight Process Control

Lamination, drilling, plating, etching under traceable control.

SPC monitoring for key parameters.

Consistent solder mask & surface finish.

Quality Management

Comprehensive Inspection

100% electrical test.

AOI inner/outer layers.

Microsection & plating thickness checks.

Final cosmetic inspection per IPC

Quality Management

Reliability Assurance

Thermal stress / solderability.

Via integrity / CAF risk evaluation.

Environmental/humidity tests (on request)

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Compliance & Documentation

Material traceability.

CoC included in every shipment.

UL/ISO/IATF.

See Full QA Process (FAQ) Request a DFM Review

Certification & Compliance System

We comply with industry-recognized quality and safety standards.

Certified System:

ISO 9001

IATF 16949

UL Certification E361860

RoHS / REACH compliance

IPC internal training & workmanship certification (A-600/A-610 if applicable)

Quality Management
Certificates
Certificates
IATF16949
IATF16949
ISO9001-2021
ISO9001-2021
REACH SVHC 211
REACH SVHC 211
RoHS10
RoHS10

From PCB Design to Manufacturing

Effective engineering support 


Designed for small–medium batches + complex PCB builds, our quality system focuses on what design engineers and purchasing teams need most:


Why Our Quality Matters

  • Built for industrial, medical, instrumentation, IoT, and power electronics
  • DFM-first: issues prevented before fabrication
  • Stable repeatability across batches
  • Clear communication for non-specialist purchasing engineers
  • Compliance-ready (ISO/IATF/UL — factory to provide details)

Quality Management





That’s how we make for excellence

Get More by Less

You can submit files via our Message Box for a DFM check and pricing.

Proven by 7 industries, 4000+ customer projects

Quality Management

Please contact us at sales@knownpcb.com, ask for engineering support here or use the form below to reach out to KnownPCB

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