Handheld Ultrasonic Stencil Cleaning
“Why Be Concerned With Keeping Stencils Clean?”
–John Norton
Q: What is the typical frequency of the ultrasonic generator?
A: A typical frequency would be around 40-44 KHZ.
Q: Do I need to use an absorbent towelette under the stencil?
A: Yes, the towelette assists by providing a wicking/capillary effect, drawing the dissolved paste out of the apertures.
Q: What is the best type of absorbent towelette to use?
A: The best type would be Hydro-Entangled or Single-Fiber Polymer. This material is synthetic, which means it contains no glue or binders that can get stuck in the apertures.
Q: What is the effect on nano coatings?
A: It can be affected, simply due to mechanical contact, operator pressure, and movement.
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