The Soft Gold Flex PCB is meticulously engineered to support advanced semiconductor packaging and direct die attachment. Designed for electronics engineers and product developers requiring ultra-reliable interconnects, this specialized Flexible PCB features a high-purity soft gold finish. This surface treatment ensures consistent wire bondability, making it the standard choice for miniaturised medical devices, aerospace components, and compact electronics.
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Controlled Gold Thickness: 1–3μm soft gold layer over a nickel barrier ensures targeted ductility for wire bonding.
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High-Purity Plating: 99.9% pure gold finish prevents oxidation and promotes strong, reliable bonds.
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Chip-on-Flex Ready: Strict surface coplanarity accommodates bare die attachment and high-density routing.
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Thermal Stability: Polyimide substrate materials withstand elevated temperatures during the wire bonding process.
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Dynamic Flexibility: Maintains circuit integrity across thousands of mechanical bending cycles.
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Medical Electronics: Implantable devices, hearing aids, and miniature diagnostic equipment.
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Aerospace & Defence: Lightweight, space-constrained sensor arrays and avionics.
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Telecommunications: High-frequency optical transceivers and microwave components.
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Consumer Electronics: Wearable devices and ultra-compact camera modules.
PCBSYNC is a professional PCB fabrication, PCBA, and EMS manufacturer delivering precision-built electronics for aerospace, medical, automotive, industrial, and smart energy applications. We handle everything from rapid prototyping to mass production — including rigid, flexible, and rigid-flex PCBs, full turnkey assembly, component sourcing, AOI and X-ray inspection, and OEM/ODM support. Reliable boards. Consistent quality. From prototype to production — PCBSYNC.
Ready to integrate wire bondable flexible circuits into your next project? Contact our engineering team today to discuss your specifications and request a detailed quote.