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American Fairfield Inc.

SMT Stencil Nano-Coatings

SMT Stencil Nano-Coatings

SMT stencil nano-coatings by Aculon are a type of surface treatment that is designed to improve the performance and durability of stencils used in electronics manufacturing. SMT stencils are used to apply solder paste to printed circuit boards during assembly, and they play a critical role in ensuring the accuracy and quality of the final product.


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Performance you can trust

Faster release and improved print resolution is achieved as the paste is more easily released from the aperture walls due to the fluxophobic nature of the SMT stencil nano-coating.


NanoClear SMT Stencil Durability

NanoClear® is robust and can withstand significant use and abrasion from repeated printing and cleaning cycles.

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  • Start with a visibly clean & degreased SMT stencil
  • Using heavy pressure scrub the Part A cleaner onto the bottom side of the SMT stencil for 60 seconds
  • Rinse with running DI (ideal) or tap water until all cleaner is thoroughly removed (Critical step!)
  • Dry SMT stencil after rinsing
  • Using heavy pressure scrub the Part B treatment onto the bottom side of the SMT stencil for 60 seconds


  • Aculon's nano-coatings are specially formulated to provide a number of benefits over traditional stencil coatings. The coatings are extremely thin, measuring only a few nanometers in thickness, which allows for precise control over the thickness of the deposited solder paste. Additionally, the coatings are highly hydrophobic, which means they repel water and other liquids. This can prevent solder bridging, where the solder forms a connection between two adjacent pads or traces, which can cause short circuits and other defects.
  • Another advantage of Aculon's nano-coatings is their durability. The coatings are highly resistant to abrasion and wear, which means they will last longer than traditional coatings. This can help reduce the frequency of stencil cleaning and replacement, which can ultimately lead to cost savings for electronics manufacturers.