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Frameless PCB stencils are designed to work with stencil tensioning systems and are optimum for short runs, prototyping and hand printing on Printed Circuit Boards (PCBs). The PCB stencil’s smooth aperture walls work well for ultra fine pitches, micro BGAs, and small bottom-terminated components. Frameless PCB stencils mount directly into a frame system without the need for glue or mesh.
Frameless PCB stencils are designed to work with stencil tensioning systems and are optimum for short runs, prototyping and hand printing on Printed Circuit Boards (PCBs). The PCB stencil’s smooth aperture walls work well for ultra fine pitches, micro BGAs, and small bottom-terminated components. Frameless PCB stencils mount directly into a frame system without the need for glue or mesh.
· Apply continuous, uniform tension in all directions
· Requires less storage space
· Eliminates materials waste
· Cost-effective and environmentally safe alternative to framed PCB stencils
· Optimum solder paste placement and volume control
| Stencil Side | Material | Foil Thickness (in inches) | Frame Type |
| Top Side Bottom Side Top&Bottom(on single stencil) Top&Bottom(on separate stencil) | Stainless Steel | 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010 0.011 0.012 | QTS Zelflex |
| Stencil Length (in inches) | Stencil Alignment | Stencil Width (in inches) | Maximum Size |
| Center Offset | 1-10 | 12 ʺ x 10 ʺ | |
| Fiducials | Technology | Minimum Cut Width | Repeatability |
| Half etch Cut through | 100% Laser Cut Electropolishing | 0.002ʺ | ±16 µm |
| Positional Accuracy | Aperture Dimensional Tolerance | ||
| ±12.5 µm | ±9 µm | ||
