The stencil thickness is determined by the smallest component land pattern. If you are not sure, our design staff can choose the optimum thickness based on the data you supply.
Yes, the coating will treat both the surface of the stencil, as well as the aperture walls.
No, the nano particles bond with the metal resulting in a thickness of only 2-4 nanometers. Trace elements of the coating would not be detectable in the flux with even the most sophisticated test instruments.
The coating can be tested by marking the surface of the stencil with a marker. If the ink beads up, the coating is present.
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Sunstone Circuits® is the established leader in providing innovative and reliable printed circuit board (PCB) solutions for the electronic design industry. Since 1972, Sunstone Circuits has delivered high quality, on-time PCBs and is committed to improving the prototyping through production processes for the design engineer from quote to delivery. With white-glove support, Sunstone Circuits provides unparalleled customer service and leads the industry with over 99% on-time delivery.