Product Requirement Document (PRD)
- Define requirements
- Check product features
- Check material
- Check certifications required
- Check target cost
- Check product volumes
- Timeline
PROTOTYPING
- Design product
- 3D printing samples
- Check product appearance (color, shape, material etc.)
- DFM(design for manufacturing)
ENGINEERING VERIFICATION TEST (EVT)
- Design final
- Engineering samples
- PPAPs
- Test product major parts functions
- Test product basic physical properties (pressure test, cycle test, pull test etc.)
DESIGN VERIFICATION TEST (DVT)
- Small quantity samples
- Functionality Evaluation
- Compatibility Evaluation
- Stability Evaluation
- Certification
- Approval Vendor List Evaluation
PRODUCTION VERIFICATION TEST (PVT)
- Large quantity samples
- Production Capacity Evaluation
- Production Yield Evaluation
- Production Lead Time Evaluation
MASS PRODUCTION (MP)
- Customer service
- Cost Down Plan
- Supply Chain Management (Inventory, JIT etc.)
