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Electronics Assembly Knowledge Base

PCB & PCBA Tech Guides

Practical guides on PCB manufacturing, PCBA assembly, conformal coating, testing, and electronics manufacturing support.

How to Read an LED Integrating Sphere Test Report
PCB Assembly August 4, 2026

How to Read an LED Integrating Sphere Test Report

An integrating sphere test report shows the optical, color and electrical performance of an LED, LED module or complete luminaire....

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LED PCBA Testing for Optical Performance and Temperature Cycling
PCB Assembly August 2, 2026

LED PCBA Testing for Optical Performance and Temperature Cycling

An assembled LED board can look right, power on, and still miss its required light output or color range. The...

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How to Choose a Box Build Assembly Manufacturer in 2026
PCB Box Build Assembly June 8, 2026

How to Choose a Box Build Assembly Manufacturer in 2026

Choosing the right box build assembly manufacturer is not just about getting the lowest quote. It is about finding an...

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Box build assembly process with workers installing electronics into aluminum enclosures
PCB Box Build Assembly June 8, 2026

Box Build Assembly Guide in 2026 : Process, DFM Design Tips, and When It Makes Sense

box build assembly takes tested PCBA and turns them into complete electronic products — ready to ship with enclosure assembled,...

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Why AOI Isn’t Enough for Your PCB Assembly — and What Every Buyer and Engineer Should Know
PCB Assembly June 3, 2026

Why AOI Isn’t Enough for Your PCB Assembly — and What Every Buyer and Engineer Should Know

Automated optical inspection (AOI) is a quality step used at two stages in PCB production. During PCB fabrication, AOI checks...

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How PCB Copper Thickness Affects Your PCB Quote: Weight, Spacing, and DFM Rules
PCB Manufacturing May 30, 2026

How PCB Copper Thickness Affects Your PCB Quote: Weight, Spacing, and DFM Rules

Not long ago, a customer asked us for a 12-layer PCB quote — 1oz copper, plus pricing for 2oz and...

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PCB Potting for Electronics: Process, Materials, and Design Limits
PCBA Protection May 26, 2026

PCB Potting for Electronics: Process, Materials, and Design Limits

PCB potting is a protection process that fills a cavity or enclosure around an assembled PCB with a liquid compound—typically...

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Best Coating for RF and Signal-Sensitive PCB Assembly: Parylene N Coating
PCBA Protection May 25, 2026

Best Coating for RF and Signal-Sensitive PCB Assembly: Parylene N Coating

For many RF and signal-sensitive PCB assembly, Parylene N coating is one of the first coating types engineers review. When...

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Parylene C Coating for PCB Assembly: Properties, Uses, and Common Applications
PCBA Protection May 24, 2026

Parylene C Coating for PCB Assembly: Properties, Uses, and Common Applications

Parylene C coating is a vapor-deposited conformal coating widely used on PCB assemblies and electronics because it combines a strong...

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Parylene conformal coating for PCBA
PCBA Protection May 23, 2026

Parylene Conformal Coating for PCB Assembly: Engineering Guide

Parylene conformal coating is a vapor-deposited protective film used on PCB assemblies that need very uniform coverage, strong moisture protection,...

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Urethane Conformal Coating for PCB Assembly: Chemical Resistance, Abrasion Protection
PCBA Protection May 23, 2026

Urethane Conformal Coating for PCB Assembly: Chemical Resistance, Abrasion Protection

Polyurethane conformal coatings are commonly used for PCB components requiring enhanced chemical resistance, wear resistance, moisture protection, and high reliability....

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The Engineering Guide to Silicone Conformal Coating for PCBA: Heat, Vibration, Rework & Checklist
PCBA Protection May 18, 2026

The Engineering Guide to Silicone Conformal Coating for PCBA: Heat, Vibration, Rework & Checklist

Selecting the right conformal coating for a printed circuit board assembly means understanding the operating environment, thermal demands, and long-term...

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