Selective coating with HumiSeal
Selective coating with HumiSeal conformal coating, developed by Chase Corporation, is an automated process that applies coating only to specific areas of a PCB, rather than covering the entire board. It is widely used in modern PCB Montajı, SMT Montajı, ve Anahtar Teslim PCB Montajı for precision and efficiency.

How selective coating works
Selective coating systems use programmable equipment to control exactly where the coating is applied:
- CAD data or teaching programs define coating paths
- Robotic valves or spray heads dispense HumiSeal precisely
- The machine avoids connectors, test points, and sensitive areas
- Coating is applied in controlled patterns and thickness
This eliminates the need for extensive manual masking.
Önemli avantajlar
Yüksek hassasiyet
- Coating is applied only where needed
- Protects critical components without affecting connectors
Azaltılmış maskeleme
- Minimal use of tapes or boots
- Saves time and labor in PCB Montajı
Tutarlı kalite
- Uniform coating thickness (typically 25–75 µm)
- High repeatability in SMT Montajı
Malzeme tasarrufu
- Less coating waste compared to dip or full spray methods
Faster production
- Ideal for high-volume Anahtar Teslim PCB Montajı Çizgiler
Tipik uygulamalar
Selective coating with HumiSeal is used in:
- Otomotiv elektroniği
- Endüstriyel kontrol sistemleri
- LED lighting PCBs
- Tüketici elektroniği
- Aerospace and medical devices
These applications require both protection and precision.
Selective coating vs traditional methods
- Seçici kaplama → precise, automated, minimal masking
- Sprey kaplama → broader coverage, requires masking
- Daldırma kaplama → full coverage, less control
- Fırça kaplama → manual, used for rework
Selective coating is considered the most advanced method in SMT Montajı.
Important process considerations
- Proper PCB cleaning before coating
- Correct viscosity settings for the machine
- Accurate programming of coating paths
- Post-coating curing (UV, thermal, or moisture)
- Inspection for coverage and defects
Sonuç
Selective coating with HumiSeal is a high-precision, automated method that applies conformal coating only where needed. In PCB Montajı, SMT Montajı, ve Anahtar Teslim PCB Montajı, it offers superior efficiency, consistency, and cost control compared to traditional coating methods.
We support HumiSeal and equivalent konformal kaplama solutions for your PCBA projects.
Konformal Kaplama Teklifi Alın
PCBA projeniz için güvenilir konformal kaplama çözümleri mi arıyorsunuz? Hızlı bir fiyat teklifi almak için aşağıya tıklayın.
İhtiyaçlarınızı bize gönderin ve mühendislik ekibimizden hızlı bir yanıt alın.
✔ 24 saat yanıt ✔ Mühendislik desteği ✔ Küçük ve Seri Üretim
Shenzhen Tengxinjie Electronics Co, Ltd.


