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SMT Precision Laser

LaserTec’s expert Stencil Design team coupled with our unique precision stencil manufacturing techniques plays a key role in ensuring an optimum Stencil Printing Process . Control of the aperture characteristics, stencil thickness and accurate fiducial generation are directly related to the volume, alignment and positioning of paste deposited during printing. Correct stencil design, coupled with quality manufacture, makes a significant contribution to end of line yield.
LaserTec offer unrivalled turnaround times of 2 days as standard with the option of faster turnaround (4 hours) where required and no compromise in the accuracy and quality of the stencil . All LaserTec stencils are designed and produced to the highest standards. Our professional and skilled team are committed to working closely with our customers in order to develop optimum stencil/process specifications and advice is readily provided on all aspects of the screen printing process .
The cross section of a 16 mil pitch aperture cut by Laser illustrates the consistent cut quality and straight trapezoidal side walls which encourage optimum paste release. Guaranteed tolerance of aperture dimensions to ±5µm over the entire printable area of the stencil makes for consistent and accurate replication of board features, even with very large backplanes
Stencils are generated from stainless steel, carefully selected for flatness and uniform thickness – important qualities in a precision stencil.
LaserTec’s expertise also lies at the heart of our precision stencil cutting equipment, featuring pumped Nd-YAG lasers. Our close involvement with the laser manufacturer ensures the highest levels of accuracy, repeatability and throughput; the foundation of a truly world class stencil service. LaserTec ensures 100% inspection of every stencil produced using a high precision scanner as part of our final QA inspection.

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SUB SUB FOIL ONLY
SUB SUB-Step Stencil I
SUB SUB-Precision Laser and UFP II

UFP

Heart Sine ImageLasertec UFP saves you time and money, and delivers significant benefits in comparison with 300 series stainless steel stencil.
Flatter Stencils – allows for more accurate printing of finer apertures
Harder Surface – provides a more durable stencil increasing cycle time between stencil changes
More Uniform Surface Aspect – allows for higher stress relaxation properties so stencils that are laser cut or etched will have more consistent results.

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Foil Tensioning

Heart Sine ImageLaserTec offers an alternative Stencil Foil System which is compatible with known foil tensioning systems such as Tetra and Vector Guard. It is more durable foil (Less Prone to damage) and has more Consistent Tension across the entire foil. Other benefits of this system is that it is Easy to store and handle, has a variety of Colour Formats and is also Laser Markable
Note also the Corner Inserts for increased rigidity.

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SMT Step Stencil

Heart Sine ImageOur step stencil can be processed through a carefully managed chemical etch procedure before laser cut or through a milling procedure. The etch is measured frequently in the process to ensure the etch cutting depth is correct. Our stencils have very controlled etch process. We offer a depth control of 5 micron accuracy.
each stencil has smooth etch surface for good paste release along with contoured etch wall profile to extend squeegee life.

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