Huaxing PCBA PCB manufacturing insights and articles

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

PCB Bow and Twist — IPC-6012 Flatness Limits Buyers Must Specify

PCB Bow and Twist — IPC-6012 Flatness Limits Buyers Must Specify

Bow and twist are the two flatness defects that stop a PCB from sitting flat in assembly. The IPC-6012 limits and how to write them into your purchase order
Hi-Pot Testing for PCBA — Withstand Voltage Setup and Limits

Hi-Pot Testing for PCBA — Withstand Voltage Setup and Limits

Hi-pot testing proves insulation integrity: not component function. How the withstand voltage is derived, how the test is set up, what a failure means
Design of Experiments for SMT — DOE in Process Qualification

Design of Experiments for SMT — DOE in Process Qualification

Design of experiments turns a reflow profile from a guess into a proven process window. How screening: characterisation and confirmation DOEs work
Solder Float Test vs Wetting Balance — Which Solderability Method to Use

Solder Float Test vs Wetting Balance — Which Solderability Method to Use

Solder float test and wetting balance both measure solderability but answer different questions. How each works: what the results mean
SMT First Pass Yield Improvement — A Costed Playbook

SMT First Pass Yield Improvement — A Costed Playbook

How to improve first pass yield in SMT assembly: the eight levers that actually move FPY, how to sequence them by payback
PCB Supplier Risk Assessment — A Buyer's Scoring Method

PCB Supplier Risk Assessment — A Buyer's Scoring Method

A structured method for assessing PCB supplier risk before you place the order: the eight dimensions that matter, how to score them
Control Plan & PFMEA for PCBA — Process Control | Huaxing PCBA

Control Plan & PFMEA for PCBA — Process Control | Huaxing PCBA

How to build a PCBA control plan and PFMEA: PCBA failure modes, the control-plan columns, a worked SMT-line example, and what buyers should demand at PPAP.
PCB Tooling & Design-File Ownership — Escrow | Huaxing PCBA

PCB Tooling & Design-File Ownership — Escrow | Huaxing PCBA

Who owns your Gerbers, stencils, test fixtures and source files — and the contract terms, escrow and exit checklist that keep your PCB manufacturing portable.
Counterfeit Electronic Components — A PCB Buyer's Verification Playbook

Counterfeit Electronic Components — A PCB Buyer's Verification Playbook

How grey-market and counterfeit parts reach production, and the incoming-inspection ladder — XRF, decap, DPA, AS6081 — buyers use to verify authenticity.
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