Test Pin Repellency Coatings

Our test pin repellency coatings repel tin oxide buildup and other contaminants with an easy to apply repellent barrier. Eliminate failures due to malfunctioning test pins. By slowing the buildup of tin oxide semiconductor test pin lifetime is increased drastically. Aculons semiconductor test pin treatments are easily applied via numerous liquid phase application optins.  Together we create winning test pin repellency products!

Test Pin Repellency
test pin repellency

Epoxy Control. Underfill Barrier. Failures Eliminated.

Aculon® has specialized surface coating technologies capable of functionalizing semiconductor pogo test pins to be repellent to tin oxide and other sources of contamination. These ultra thin treatments are easy to apply, have no impact on conductivity, and are proven effective!   There are numerous performance advantages to utilizing a test pin repellency coating on your test pin repellency application.

Want to learn more? Reach out to us at +1-858-350-9499 or contact us here to see how we can help!

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Would your test pins benefit from a test pin repellency coating?

A repellency coating designed specifically for POGO test pins can effectively repel tin oxide and other contaminants on your semiconductor test pins. Some examples below where a test pin repellency coating will help improve the quality of your product. Reach out to us at +1-858-350-9499 or contact us here to see how we can help!

  • Contaminated test pins result in false readings
  • Tin Oxide contamination builds up quickly
  • Desire to eliminate cleaning of test pins

How it Works

What is test pin repellency technology?

Aculon® patented test pin repellency treatments are successful in preventing buildup of contamination on POGO test pin fixtures for semiconductors, PCBs, and other electronics components. These treatments are liquid phase applied via a variety of methods. The treatment can be applied to all metals including gold, nickel, copper, & stainless steel. Test pins are often expected to remain functional without failing for long periods of time without cleaning.  Aculon®  test pin repellency coatings enable proper function of these critical devices without significant and costly downtime for cleaning or replacement.


Test Pin Fixture
test pin performance

Test Pin Repellency Performance

Aculon® Test Pin repellency coatings will drastically decrease the level of tin oxide build up on test probe pins. By functionalizing the surface to be repellent to water and oil and other contaminants the lifetime of test pins is drastically increased. Tin oxide is well known to be a leading failure of repellency test pins.   Independent testing shows a 5x reduction in tin oxide on functionalized test pins vs un-treated test pins.

Why test pin repellency coatings from Aculon for your application?

We are surface modification experts who have developed and produced surface chemistry technologies to modify a broad variety of surfaces, such as metal, glass, and polymers for nearly 20 years. We have implemented these technologies in a wide variety of electronics applications.

These treatments are all thin, easy to apply, safe, and non-toxic, with green options available. We have worked on countless applications, invested hundreds of thousand of hours solving surface related challenges. You are very likely reading this as you too have a challenge that can be solved by modifying your surface to have improved surface qualities. We will work directly with you on a customized solution tailored to the unique needs of your product. Let us help you make your product better.

Want to learn more? Reach out to us at +1-858-350-9499 or contact us here to see how we can help!

Aculon NanoCoating Research Laboratory

Tell us about your test pin repellency application!

Do you have a question for us, or a product that can benefit from a surface modification coating? Get in touch and let’s talk!

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