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Advantages of Laser CUT SMT Stencils

  • Smooth internal pad walls(<= 3µm)
  • Aperture consistency reduces dpm’s
  • High Pad positional accuracy.
  • Stencil to PCB registration (caused by film distortion)
  • No chemicals – Environmentally friendly process.
  • Drastic reduction in print rejects
  • Clean and exact printing image of the solder paste
  • Fine-pitch screen <= 250µM can be realized without problems

See for yourself:

The images shown below were produced by a University Institute using a scanning electron microscope.

Stencil produced by etching technology

pad screen 300µm

Stencil produced by laser technology

pad screen 250µm, pad aperture 120µm

 

This comparison test of a well-known German electronics company produced the following results:

Etched stencil:
Etched stencil:
 
6300 dpm ends
6300 dpm ends
 
5230 dpm
soldered connections
55 dpm
soldered connections
 

Straight vertical walls, wall smoothness, and dimensional precision define SMT stencil performance. Typical PNC Stencil walls are shown below:

Uniform apertures with smooth walls render consistent paste volume.

Laser cut precision with software driven repeatability affords exceptional dimensional accuracy.

 
 

Pc Boards

PNC offers myriad production and assembly services from quick-turn prototypes to high-volume orders. With a vast 50,000 sq. ft. facility and millions of dollars being invested into it on a regular basis, we have the know-how, the capability and the technology to handle any size order in virtually any time frame.

Contact Adress

  • Location:

    PNC INC, 115 East Centre St, Nutley, NJ, 07110

  • Phone: (973) 284-1600
  • Email:sales@pnconline.com

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