Stainless Steel SMT Stencil Foils

SMT stencil foils perform the critical task of depositing solder paste, adhesive or flux onto the PCB.  The material that the foil is made from influences its dimensional accuracy, solder paste release properties and useful life.

Our innovative approach to ever-changing technologies keeps us and our customers at the forefront of what’s possible.

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Stainless Steel SMT Stencil Foils

Datum is the market leader in SMT stencil foils because we revolutionized the technology within them.  By studying the root causes of solder paste printing issues associated with foil materials, we developed HD.  In 1996, this was the world’s first stress-relieved steel alloy specifically targeted to the laser-cut SMT stencil market. Then we developed PhD. Datum PhD’s innovative characteristics are its homogenous and recrystallized grain structure, which promotes cut – and therefore print – quality.

Datum PhD improved the quality of laser cut stencils and their resulting print performance in factories around the world.  Since introducing this specialized SMT alloy, we have continued to improve stencil price and performance, introducing six new specialty SMT foil materials and a variety of frame and mounting technologies to the electronics assembly industry.

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Stainless Steel Stencil Foils
Stainless Steel Stencil Foils
  • Market leading material for over a decade
  • Proprietary rolling and heat treating relieves internal stresses, resulting in less deformation during laser cutting and stencil printing
  • 2% thickness tolerance controls area ratio and volume variations during print process
  • Excellent for general SMT with area ratios >0.66
  • Superior to PhD in physical properties and cut quality
  • Developed for high tension mounting without distortion
  • High durability can replace expensive nickel stencils in SMT and semiconductor operations
  • Thickness range is 0.05 to 0.20mm, thin pockets or webs, and cavity stencils
  • Harder steel (hardness min 430 vs. 370 HV) enables longer service life and minimizes web distortion
  • Better vibration damping properties improve separation mechanics to produce more consistent paste volumes and crisper print definition on fine features.
  • Cuts more cleanly and easily than PhD, original FG and other fine grain materials such as FGM
  • Ideal for high density or fine feature printing with area ratios down to 0.50

All foil materials are available pre-mounted to our frames or as sheets cut to standard and custom sizes. We can also ship stencil foils with pre-milled pockets or cavities, ready for laser cutting.


Visit Datum’s Support Library for a complete list of resources.


Datum PhD

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Datum Tension

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Datum Tension Fact Sheet

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Datum Tension Performance Update

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