Coating is used in aerospace PCBs
Aerospace electronics operate in some of the harshest environments—extreme temperatures, rapid pressure changes, vibration, and exposure to moisture or contaminants. Because of these conditions, 컨포멀 코팅 is essential in aerospace PCB 어셈블리 그리고 SMT 어셈블리 to ensure long-term reliability and safety.
Most commonly used coatings in aerospace
There is no single universal coating, but the following types are most widely used in aerospace 턴키 PCB 어셈블리:
Parylene coating (top choice for critical systems)
Parylene is often considered the gold standard for aerospace applications.
- Ultra-thin, uniform, and pinhole-free coating (via vapor deposition)
- Excellent dielectric strength for high-reliability circuits
- Superior moisture and chemical resistance
- Performs well in extreme temperatures and vacuum conditions
Because of its reliability, parylene is commonly used in satellites, avionics, and mission-critical systems. The main drawback is its high cost and complex processing.
Silicone conformal coating (widely used)
실리콘 컨포멀 코팅 is another popular choice in aerospace PCB 어셈블리.
- Excellent thermal stability (wide temperature range)
- Flexible → withstands vibration and thermal cycling
- Good moisture resistance
- Strong performance in high-altitude environments
Silicone is often used in avionics, control systems, and power electronics where flexibility and temperature resistance are important.
Polyurethane coating (for chemical resistance)
Polyurethane coatings are used when chemical exposure is a concern.
- Good dielectric strength
- Strong resistance to fuels, solvents, and chemicals
- Durable in harsh industrial-like aerospace environments
However, they are less flexible than silicone and harder to rework.
Epoxy coating (for mechanical durability)
에폭시 컨포멀 코팅 is sometimes used for:
- 높은 기계적 강도
- Excellent adhesion and environmental resistance
But it is rigid, which makes it less suitable for applications with high vibration or thermal cycling.
Why aerospace requires advanced coatings
In aerospace SMT 어셈블리, coatings must address:
- Extreme temperature fluctuations (from very low to very high)
- Low pressure and vacuum conditions
- High vibration and mechanical stress
- Moisture and condensation during ground operations
- Long service life with minimal maintenance
컨포멀 코팅 helps prevent corrosion, electrical leakage, and failure under these demanding conditions.
Standards and quality requirements
Aerospace coatings typically need to meet strict industry standards, such as:
- IPC-CC-830 (qualification and performance of coatings)
- MIL-I-46058 (military specification, now largely replaced but still referenced)
These standards are often required in certified 턴키 PCB 어셈블리 processes for aerospace customers.
결론
The most commonly used coatings in aerospace PCBs are 파릴렌 그리고 silicone conformal coatings, with polyurethane and epoxy used in specific cases. In high-reliability PCB 어셈블리, SMT 어셈블리, 및 턴키 PCB 어셈블리, coating selection depends on environmental conditions, mechanical stress, and performance requirements. For mission-critical aerospace systems, reliability always outweighs cost.
컨포멀 코팅 견적 받기
PCB 컨포멀 코팅에 대해 궁금한 점이 있으신가요? 엔지니어가 도와드릴 준비가 되어 있습니다.
요구 사항을 보내주시면 엔지니어링 팀으로부터 빠른 답변을 받으실 수 있습니다.
24시간 대응 ✔ 엔지니어링 지원 ✔ 소규모 및 대량 생산
심천 텅신지에 전자 유한 공사.
한국어 
English 
Deutsch 
Français 
Português do Brasil 
Español 
日本語 
Nederlands 
Italiano 
Русский 
العربية 
Svenska 
Polski 
Türkçe 
繁體中文