PCB 설계 블로그

Single-sourcing a flex or rigid-flex PCB is a hidden continuity risk. This guide shows how to structure a China plus one dual-sourcing plan, what to qualify at a second flex fab, and how to keep both building the same board.

Hommer Zhao

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A practical checklist to qualify a flex PCB manufacturer, covering capability, IPC-6013 class, DFM support, traceability, test, and sourcing risk before you place an order.

Hommer Zhao

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IPC-6013 Class 2 vs Class 3 for flex and rigid-flex PCBs — how the reliability classes differ in acceptance criteria, plating, annular ring and testing, and how to choose the right one for your build.

Hommer Zhao

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Use this 3D vision FPC cable supplier checklist to control NDA gates, Samtec connectors, test records, 4-week lead time, and RFQ risk.

Hommer Zhao

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How robotics OEMs control drawing revisions, ECO risk, test evidence, and supplier handoffs for wrist camera USB cables, elbow camera USB cables, grapple cables, and FPC cable assemblies.

Hommer Zhao

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Automotive PCB quality controls, traceability, documentation, and customer-specific program requirements

Hommer Zhao

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A B2B sourcing guide for FPC cable assembly lead-time control. Learn how to manage 14-16 week connector and sensor risks, split shipments, UL-approved alternatives, RFQ data, and supplier evidence.

Hommer Zhao

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A B2B sourcing guide for overmolded FPC cable assembly NPI. Compare silicone mold samples, hard tooling, DFM gates, cost, lead time, standards, and RFQ evidence before production release.

Hommer Zhao

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A sourcing and engineering checklist for preventing FPC cable assembly defects: crimping, soldering, labels, dimensions, strain relief, 100% inspection, OQC, and RFQ evidence.

Hommer Zhao

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