LPI vs Screen Printing Solder Mask: A Practical Buying Guide
Learn when to choose screen printing or LPI photoimageable solder mask for LED aluminum PCBs, with practical buyer rules for cost, lead time, and quotation.
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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
LED Aluminum PCB Trace Width: Current Table for 0.5oz, 1oz, and 2oz
Use this LED aluminum PCB trace width table to compare 0.5oz, 1oz, and 2oz copper current capacity, temperature rise, and practical production margin.
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LED PCB vs Aluminum PCB: Is There a Difference? (2026 Updated)
Learn the difference between LED PCB and aluminum PCB, when to use FR4 or aluminum MCPCB, and how to specify LED lighting PCBs for quotation.
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OSP PCB Shelf Life: How Long Before Assembly?
OSP-coated PCBs have a 3–6 month shelf life per IPC-1601. Learn how to store, inspect, and handle expired OSP aluminum PCBs for LED lighting production. Includes IPC storage guidelines, visual check methods, and reconditioning options.
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OSP vs HASL for LED Aluminum PCB: Which Is Better?
OSP or HASL for your LED aluminum PCB? Learn why OSP's flatness wins for SMT assembly, how costs compare in mass production, and when HASL still makes sense. Includes practical selection guide.
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LED PCB Dielectric Thickness: 3 Steps to Choose
Choose the right aluminum PCB dielectric thickness for LED lighting by comparing insulation, heat transfer, cost, and production stability.
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