Fr4 Immersion gold PCB
Reliable FR4 PCB for industrial control and consumer electronics.
Quote Now1. Material Selection: High Tg flame retardant FR4
2. Layout Design: Optimize anti-interference routing
3. Drilling: Precision drilling for vias and mounting holes.
4. Plating & Etching: Metallize vias, etch to form accurate circuit traces.
5. Solder Mask & Silkscreen: Apply solder mask for protection; print component marks and warning labels.
6. Surface Finish: Lead free HASL
7. Electrical Test: Open-short & insulation test to ensure circuit integrity.
8. Final Inspection: Dimensional and appearance check for fire-safety compliance.
1. Commercial Buildings: Office buildings, shopping malls, hotels, for smoke & temperature fire detection and alarm
notification.
2. Residential Premises: Apartments, villas, residential complexes for household fire early warning systems.
3. Industrial Sites: Factories, warehouses, workshops, monitor fire risks for production and storage areas.
4. Public Facilities: Schools, hospitals, subway stations, airports, support mass public fire safety systems.
5. Transportation: Bus stations, ship cabins, provide onboard fire detection function.
6. Special-purpose Spaces: Data centers, power rooms, guard against fire hazards of electrical equipment.


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Email:sales@xdpcba.com
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