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Nano Coated Stencils

  • Nano Coated Stencils3
  • Nano Coated Stencils1
  • Nano Coated Stencils2
  • Nano Coated Stencils4
  • Nano Coated Stencils3
  • Nano Coated Stencils1
  • Nano Coated Stencils2
  • Nano Coated Stencils4

Nano Coated Stencils

Benefit From

1. Nanotechnology processing on the surface inheriting the advantages of the opening size of the laser mask and the high precision of the opening position.

2. The strength, hardness and toughness of physical’s crystal phase structure are greatly improved, and the service life is greatly extended.

3. The nano-treated back surface forms a “superhydrophobic surface”, which provides the back of the mask a self-cleaning function, greatly reducing the wiping frequency of the mask and increasing the productivity.

4. Lower rate of non-performing (less tin, solder balls, bridges, etc.).

5. Improve the pass rate.

6. Reduce costs.

7. Usage count of stencil can up to 120,000 times.

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Stencil type:
Framework
Non-framework
Size(mm):
  • 280*380mm(valid area 190*290mm)
  • 300*400mm(valid area 140*240mm)
  • 370*470mm(valid area 190*290mm)
  • 420*520mm(valid area 240*340mm)
  • 450*550mm(valid area 270*370mm)
  • 520*520mm(valid area 340*340mm)
  • 584*584mm(valid area 380*380mm)
  • 550*650mm(valid area 350*450MM)
  • 736*736mm(valid area 500*500mm(
Stencil Side:
Top
Bottom
Top+Bottom(On Single Stencil)
Top+Bottom(On Separate Stencil)
Thickness:
0.10mm(4mil)
0.12mm(5mil)
0.15mm(6mil)
0.2mm(8mil)
Existing fiducials:
None
Half-lasered
Lasered through
Electropolishing:
Yes
No
Other special request:

*Your order will be sent directly to Smart SMT Tools and we will reply to you in 2-8 hours.

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*Please only upload jpg, jpeg, png, pdf, cdr, zip, rar. And only upload file under 10MB.

nano why

Why Choose Custom SMT Stencil

By changing the crystal phase structure on the non-printing surface, and attaching a layer of metal coating with 500-1000nm thickness, the steel mesh features an improvement of hardness for 10% to 30%.

It also provides a non-stick surface that not only reduces the number of cleaning cycles required during the paste printing process but also improves paste transfer efficiency for very small openings.

How Does Smart SMT Tools Process Your Nano-Coated Stencils

Smart SMT Tools has leveraged its chemistry knowledge to develop unique nano coatings that improve various steps in the PCB Assembly process. Our coatings can be used on stencils to improve print transfer efficiency, minimize bridging and other defects, improve cleaning efficiency and much more.

Our nano coating stencils go through a complete manufacturing process that happens in house: Data processing → data inspection and confirmation → laser cutting → deburring treatment → electropolishing treatment → plasma cleaning → nano coating → sealing → final inspection → packaging. Every step is guaranteed by our in-house quality control department.

In the SMT process, the stencil opening design must follow IPC-7525. The pad area/hole wall area >0.55, which is based on the coefficient of friction of the steel mesh wall. On the basis of the ultra-smooth coating on the surface, the friction coefficient of the surface is 0.03-0.06, which is better than the surface friction coefficient of the existing steel mesh by nearly 10 times. It allows the solder paste to break off the steel mesh easily, making it possible to have same sheet thickness and finer holes, to ensure amount of tin and better release effect.

We leverage a completely invented craftsmanship to coat the back of the stencil and the wall of the stencil. This coating is made in a special way, with strong adhesion, acid and alkali resistance, wear resistance, and food-grade substances. The thickness of the deposited coating is nanometer, which has no effect on the opening size of the stencil itself.

Frequently Asked Questions

1

What information do I need to prepare to custom a laser steel mesh?

It is necessary to provide the steel paste layer data, or PCB working Gerber, and the specific parameters of the steel mesh.

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2

How long does it take to make a laser steel mesh?

Under normal circumstances, after confirming the information and parameters, it can be shipped from China within 48 hours.

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3

What logistics methods are available?

UPS, DHL, FedEx or TNT.

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4

How long does it take to arrive?

The logistics time is about 3-5 days regarding to different countries.

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5

How do I know if the nano coating is there?

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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6

Does the nano coating get into the aperture walls?

Yes, the coating will treat both the surface of the stencil, as well as the aperture walls.

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