Reliable BGA Assembly – X-Ray Verified Solder Joints
Overview
Reliability in BGA assembly depends on the integrity of every hidden solder joint. Studio Electronics offers Reliable BGA Assembly with X-Ray verification of every solder joint on every board. As a trusted provider of PCB assembly in China, we combine specialized BGA process expertise, 12 automated SMT lines, and advanced 3D X-Ray inspection to deliver assemblies you can trust. From component procurement through final shipping, our complete turnkey service ensures every BGA solder joint is verified and documented.
X-Ray Verification – Every Joint, Every Board
| Verification Aspect | X-Ray Method | Reliability Assurance |
|---|---|---|
| Joint Integrity | 2D and 3D X-Ray imaging | All joints properly wetted; no cold joints |
| Void Analysis | 3D X-Ray with automated void calculation | Void ratio <15% per ball (IPC Class 2/3) |
| Ball Position | 2D X-Ray imaging | All balls correctly aligned; no displacement |
| Bridging Detection | 2D X-Ray imaging | No solder bridges between adjacent balls |
| Missing Balls | 2D X-Ray imaging | Complete ball count verified |
| Documentation | X-Ray images stored per board serial number | Complete traceability; audit-ready records |
Our Reliable BGA Assembly Process
Stage 1: Component Sourcing
Components sourced through authorized distributors. For low volume PCB assembly, small-quantity procurement supported. Incoming inspection verifies component integrity.
Stage 2: Solder Paste Printing
Precision stencil design; 3D SPI ensures consistent paste deposition across all BGA pads.
Stage 3: Precision BGA Placement
12 SMT lines with ±25μm accuracy. Vision alignment ensures accurate ball-to-pad registration.
Stage 4: Controlled Reflow
Custom profiles per BGA type. Nitrogen reflow reduces voiding. Real-time temperature monitoring.
Stage 5: X-Ray Verification (100% Coverage)
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2D X-Ray – All BGA joints inspected for alignment, bridging, and missing balls
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3D X-Ray – Automated void analysis; void percentage calculated per ball
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Acceptance Criteria – Voids <15% per ball (IPC Class 2/3); no bridging; all balls present
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Documentation – Inspection results per board serial number
Stage 6: Electrical Testing & Final Assembly
ICT; Flying Probe; FCT; AOI for visible components. Careful handling; anti-static packaging; global logistics.
Why X-Ray Verification Builds Reliability
| Reliability Concern | Without X-Ray | With Studio's X-Ray Verification |
|---|---|---|
| Hidden voids | Unknown; risk of field failure | Detected and controlled; documented |
| Head-in-pillow defects | Undetected; intermittent failure | Detected before shipping; rework |
| Ball bridging | Undetected; short circuit risk | Detected and corrected |
| Cold solder joints | Undetected; reliability risk | Detected and corrected |
| Missing balls | Undetected; functional failure | Detected and corrected |
Studio delivers Reliable BGA Assembly—X-Ray verified solder joints on every board, every ball, every time.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.