Premium Automotive Custom PCB with ENIG Surface Treatment ISO & RoHS Certified
Custom IPC Class 2 PCB Manufacturer for Automotive & Industrial Use
• High-precision multilayer PCB with stable signal transmission and strong anti-interference ability.
• IPC Class 2 compliant and automotive-grade reliability for industrial and vehicle electronics.
• Immersion gold surface treatment for excellent solderability, oxidation resistance and durability.
• Manufactured under strict quality control certified with ISO, RoHS and IATF16949 standards.
• Supports full customization including layer count, size, thickness and special performance requirements.
Main Manufacturing Process Flow of Double-Sided PCB
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Substrate Preparation:Cut FR-4 or other dielectric materials to size as per customer Gerber files and clean the surface.
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Drilling:Use CNC machines to drill precision holes for layer interconnection.
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PTH & Electroplating:Apply conductive layer on hole walls and electroplate copper to ensure stable electrical connection.
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Dry Film & Exposure:Laminate photosensitive dry film and transfer circuit patterns via UV exposure.
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Developing:Remove unexposed dry film to expose copper areas for etching.
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Etching:Etch away excess copper foil to form the required circuit pattern.
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Stripping:Remove remaining dry film to reveal finished circuits.
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Solder Mask:Apply solder mask to protect circuits and prevent short circuits.
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Silkscreen Printing:Print labels, logos and component marks for assembly and maintenance.
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Surface Finishing:Apply HASL, ENIG, OSP or other treatments to improve solderability and corrosion resistance.
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Electrical Test:Conduct continuity and insulation tests to eliminate open/short circuits.
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Routing & Final Inspection:Cut boards to shape and inspect appearance and performance before delivery.
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