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Unpacking the Rising Popularity of LED Curable Conformal Coatings

Posted by Dan Griffin on Dec 7, 2022 6:28:13 PM

The transition to LED curable conformal coatings is beginning to build momentum, beginning as a slow evolution and developing into a revolution of sorts. The driving forces behind this include: 

  • Improved processing equipment designs and availability 
  • Aging or outdated application equipment replacements 
  • Increasing range of LED curables commercially available or in development 
  • Rising labor, equipment, and energy costs  

If you and your organization are faced with aging equipment and higher costs, there isn't a better time to consider the potential advantages of LED curable conformal coatings

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Topics: conformal coating, Protection for PCB, UV Curing, LED curable conformal coating

LED-Curable Conformal Coatings: The Green Approach to PCB Protection

Posted by Dan Griffin on Mar 24, 2021 8:30:00 AM

Conformal coatings rose to prominence in protection of printed circuit boards (PCBs) about five decades ago. Through their use, early PCB failures due to dust and dirt, liquids, and humidity contamination were greatly reduced or eliminated. This in turn allowed for the longer warranties and improved reliability we see today. Early conformal coatings, many of which are still in use today, were comprised of polymers dissolved in various solvents such as MEK, toluene, or xylene.

An approximate evolution of conformal coating chemistries could be viewed as

  1. solvent-borne acrylics and polyurethanes
  2. waterborne acrylics
  3. synthetic rubber coatings
  4. UV-curable acrylated urethanes
  5. LED UV-curable acrylated urethanes
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Topics: conformal coating, LED technology, Eco-friendly, LED curable conformal coating

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