Full analysis of SMT placement services
1. Prototype SMT quality assurance system (measured data)
FDC has established prototype patch services with military-grade quality standards:
Equipment accuracy:
Fujifilm NXT placement machine: ± 25μm accuracy
Siemens SIPLACE: ± 35 μm accuracy
Yamaha YS series: ± 40μm accuracy
Process parameters:
Solder paste printing thickness: 0.1-0.13mm (CPK>1.67)
Reflow temperature control: ±3°C deviation
SMD offset: <0.05mm (99.7% pass rate)
Quality Inspection:
AOI full inspection: 30+ test items
X-ray sampling: BGA must be checked
First article confirmation: 100% component verification
Functional test: optional service (additional 50 yuan/payment)
Defect rate data:
Average SMD Defect Rate: <500PPM BGA Soldering Yield: >99.5%
Customer complaint rate: <0.08%
3. The list of means of production that the customer must provide
To ensure smooth prototype placement, customers need to prepare a complete technical kit:
PCB Production Documents:
Gerber files (including copper foil, solder mask, silk screen)
Drilling File (with Hole Size Information)
Board shape file (including V-cut/stamp hole marking)
Format requirements: RS-274X or ODB++
Assembly Files:
Full BOM list (must include:
✓ Exact model (e.g. GRM155R71H103KA01D)
✓ Package Specification (0402/0603, etc.)
✓ Designator correspondence
✓ Manufacturer information)
SMD coordinate file (required:
✓ Text formatting (.txt/.csv)
✓ Contains X/Y/R coordinates
✓ Units are uniformly in millimeters)
Special Requirements:
Component installation direction diagram
Welding parameters of key elements
Test point annotation
Impedance control requirements
Logistics information:
Delivery address (including contact/phone number)
Invoice issuance information
Special packaging requirements
4. Optimize suggestions and value-added services
Design optimization suggestions:
Component Spacing Maintained ≥ 0.2mm (0402 Package)
A 3mm no-cloth zone is reserved around the BGA chip
Double-sided small component surfaces are placed first
Delivery acceleration plan:
Standard delivery time: 3-5 working days
Expedited service: 48 hours (30% surcharge)
Express service: 24 hours (50% surcharge)
Value-added service options:
3D patch renderings: 50 yuan/model
Functional test report: 100 yuan/model
Reliability test (temperature impulse/vibration): Negotiable
Technical support channels:
One-on-one consultation with engineers
48 hours response to sample problems


