FR4 CEM-1 CEM-3 PCB Board Fabrication Strict Quality Control
Reliability is earned through rigorous quality control—not just claimed. Studio Electronics offers Reliable PCB Fabrication with strict quality control applied at every stage of production. As a trusted provider of PCB assembly in China, we combine advanced fabrication equipment with comprehensive inspection systems—AOI, X-Ray, electrical testing, and reliability laboratory—to ensure every board meets your specifications. From single-sided to 20-layer boards, from rigid to flexible designs, our strict quality control ensures reliable, consistent results for every order.
| Quality Checkpoint | Inspection Method | What We Verify |
|---|---|---|
| Incoming Material | Material certification review; dimensional measurement | Compliance with specifications; material quality |
| Imaging & Etching | AOI inspection | Trace integrity; pattern accuracy; no shorts/opens |
| Lamination | X-Ray inspection | Layer alignment; registration accuracy |
| Drilling | Drill quality measurement | Hole size; position accuracy; burr-free |
| Plating | Cross-section analysis | Plating thickness; via integrity |
| Surface Finish | XRF analysis | Finish thickness; uniformity |
| Electrical Testing | 100% continuity/isolation | Electrical integrity; no shorts/opens |
| Final Inspection | AOI; dimensional measurement; visual inspection | Overall board quality; packaging |
| Material Type | Applications | Quality Control |
|---|---|---|
| FR4 | General-purpose; consumer electronics | Material certification; incoming inspection |
| CEM-1 | Single-sided; cost-sensitive designs | Material certification; thickness measurement |
| CEM-3 | Double-sided; moderate density | Material certification; dimensional verification |
| High-TG FR4 | Lead-free soldering; high-temperature applications | TG verification; material certification |
| Halogen-Free | Environmentally friendly applications | Material certification; compliance verification |
| Aluminum Base | LED lighting; power applications | Thermal performance verification |
| Copper Base | High-power applications | Thermal performance verification |
| Ceramic Base | High-frequency; high-thermal applications | Material certification; thermal verification |
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ENIG – ENIG thickness: Ni 3-5μm / Au 0.05-0.1μm; XRF analysis for thickness verification; excellent for fine-pitch SMT
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HASL – HASL thickness: 1-25μm; solderability test; cost-effective for through-hole components
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OSP – OSP thickness: 0.2-0.5μm; flat surface; cost-effective; suitable for low volume PCB assembly
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Immersion Silver – Silver thickness: 0.1-0.3μm; excellent for high-frequency; flat surface
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Immersion Tin – Tin thickness: 0.8-1.2μm; flat surface; good solderability; press-fit compatible
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Gold Plating – Gold thickness: 0.8-1.5μm; excellent durability; wire bonding compatible
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Reliability – Every board is 100% tested; no defects escape
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Consistency – Controlled processes ensure consistent results
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Traceability – Complete quality records for every board
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Regulatory Support – Documented quality supports regulatory submissions
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Low Volume Support – Same strict QC for low volume PCB assembly and volume orders
Studio delivers Reliable PCB Fabrication—strict quality control ensuring every board performs as designed.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.