FR4 Price Increase in 2026: What Actually Went Up
FR4 glass cloth rose through August 2026. Thin 2116 and 1080 moved first. Standard 7628 followed. Reported China quotes, not a finished-board formula.
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Feesi Huang
Author on lighting PCB and thermal design
Feesi Huang is an engineer focused on lighting PCB solutions, with ongoing work around aluminum PCB, LED PCB, and related thermal and structural design topics.
She regularly organizes and publishes practical content around product characteristics, manufacturing logic, and real application issues in the lighting PCB field.
Her work is aimed at helping B2B buyers, purchasers, importers, and lighting brands understand products more clearly, evaluate options with better context, and communicate requirements more accurately before prototyping and mass production.
Latest articles
Automatic X-Ray Inspection (AXI): When LED Boards Actually Need It
Automatic X-ray inspection (AXI) checks hidden solder cameras miss. Most single-sided LED boards do not need 100% X-ray. Name thermal pads and QFNs in the RFQ.
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Copper PCB vs Aluminum PCB: Which Metal Core Fits LED Lighting?
For most LED lighting, aluminum PCB is the practical metal core. Copper conducts heat better, but weight, cost, and the dielectric usually decide the board.
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BOM List for PCB Assembly: 7 Core Columns (+ LED Example)
Build a PCB assembly BOM the factory can use. See the core columns, DNP rules, common mistakes, and a practical LED board example.
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LED PCB Soldering Defects: How to Find the Cause and Prevent Repeat Failures
A dark LED does not tell you the cause. Classify the soldering defect first—bridge, cold joint, tombstone, void, or reversed part—then stop it repeating.
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How to Choose SMT Solder Paste for LED Aluminum PCB Assembly
You do not need special aluminum solder paste for a standard LED board. Paste sits on copper pads. Match alloy and flux to finish and reflow.
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