Huaxing PCBA PCB manufacturing insights and articles

Insights & Resources

Technical articles on PCB design, manufacturing, and industry best practices. Written by our engineering team.

OEE on SMT Lines — How Buyers Should Read Utilisation Claims

OEE on SMT Lines — How Buyers Should Read Utilisation Claims

OEE is easy to quote and easy to dress up. Learn which components of SMT line utilisation are auditable: which numbers inflate the figure

Electrochemical Migration on PCB Assemblies — Causes, Test Methods and Prevention

Electrochemical Migration on PCB Assemblies — Causes, Test Methods and Prevention

Electrochemical migration is the dendritic growth that shorts fine-pitch assemblies in humidity. Learn the ionic contamination and how to prevent it at DFM

Copper Wrap & Edge Plating — Board-Edge Reliability Rules Buyers Should Specify

Copper Wrap & Edge Plating — Board-Edge Reliability Rules Buyers Should Specify

Copper wrap protects the board edge from moisture ingress and handling damage. Learn when wrap plating is required: how to specify depth and thickness

Underfill Rework & Repair — What Can Actually Be Recovered

Underfill Rework & Repair — What Can Actually Be Recovered

Underfill is chosen for reliability and then blocks every repair. A practical guide to heat and mechanical removal: board-local rework limits, when to scrap

Solder Paste Jetting Process Qualification — Proving a Stencil-Free Line

Solder Paste Jetting Process Qualification — Proving a Stencil-Free Line

Jetting a board is not the same as qualifying the process. A practical qualification protocol for stencil-free solder paste deposition

Parylene Thickness & Masking — How to Specify and Verify It

Parylene Thickness & Masking — How to Specify and Verify It

Parylene thickness cannot be specified as one number. A practical guide to specifying thickness by location: mask scheme selection

SMT Stencil Aperture Design — Area Ratio, Paste Release & the 0.66 Rule

SMT Stencil Aperture Design — Area Ratio, Paste Release & the 0.66 Rule

How stencil aperture geometry controls solder paste release: area ratio and transfer efficiency maths, the step-stencil rules for fine pitch and connectors

PCB Supplier NDA & IP Protection — Contracts | Huaxing PCBA

PCB Supplier NDA & IP Protection — Contracts | Huaxing PCBA

Gerber files are your product. A practical guide to NDA scope: tooling ownership, controlled data transfer, counterfeit and clone risk, auditability clauses

PCB Outgoing Quality Control — The OQC Gate That Protects Your Line

PCB Outgoing Quality Control — The OQC Gate That Protects Your Line

How a contract manufacturer's OQC gate should be built: inspection basis, AQL sampling, the data pack a buyer should receive

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