The film itself is fragile; what determines whether a product survives three years is the packaging. We design encapsulation backwards from the operating environment.
Common requirements and countermeasures
| Environment | Encapsulation | Key metrics |
|---|---|---|
| Body contact (patches, bands) | Medical-grade TPU / silicone laminate | Biocompatible, non-irritant, sweat resistant |
| Humidity and immersion (pipes, outdoors) | Multi-layer co-extrusion with edge heat sealing | 按封装结构与测试结果确认 |
| High temperature (industrial equipment) | Polyimide substrate with high-temp adhesive | Confirmed by material system and test results |
| Strong EMI (rail, power) | Coaxial shielding with ground layer | EMI resistant, low noise floor |
| Product integration | Over-moulding with housing / adhesive bonding | Controlled tolerances, no secondary assembly |
Reliability validation
Flex-life, thermal cycling, damp-heat ageing, salt spray and vibration validation can be conducted against the customer's standard, with corresponding test records; exact indicators are confirmed for the encapsulation design and test plan.