hyperclean smt usc wipes
TRANSCRIPT
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SMT Stencil Wiper RollsPerformance for a competitive edge
HYPERCLEAN
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Background
• 70% of board defects detected at end of the line have their origins at the printing stage.• The under stencil cleaning process is critical• One of the key materials in this process is the cleaning fabric
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Fabrics on the marketCellulose/Polyester Paper
mainly from China
Cellulose/Polyester hydro-entangled non-woven
Rayon (viscose)/Polyester Paper/Fabric
Polypropylene fabric (Hyperclean)
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Hyperclean properties
• 100% polypropylene• No cellulose or Rayon• No linting• Low abrasion – longer stencil life
• Hydrophilic• Reduced IPA consumption • Fast and controlled wicking
• Random fiber orientation• Better vacuum performance• Mechanical trapping of solder balls – 3D structure• Less smearing
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HYPERCLEAN Cellulose/Polyester Paper
Fabric differences
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Hyperclean close up
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Fibre Structure Comparison
Cellulose/Polyester Paper &
Rayon/Polyester Paper/Fabric
Fibres have a dominant linear direction
Cellulose Polyester Hydroentangled
non-wovenHyperclean
Fibres have a dominant linear direction
Completely random orientation no dominant
fibre directionIt absorbs a lot of liquid which can induce swelling with potential for jamming
the machine
It absorbs a lot of liquid which can induce swelling with potential for jamming
the machine
The physical properties are the same wet or dry unlike
combination cellulose products
Cannot be recycled easily due to the combination of
2 entirely different materials
Cannot be recycled easily due to the combination of
2 entirely different materials
Made up of 100% Polypropylene fibers so it can be easily recycled in
the plastics chain
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Absorption
Cellulose fibres Hyperclean
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Cleaning Comparison
HYPERCLEANCellulose/Rayon/Polyester Paper
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Actual Images using 400X Magnification
Cellulose/Rayon/Polyester Paper
Solder balls stay on the surface creating solder flakes & potential contamination as the solder balls
dry out.
Hyperclean
Solder balls are trapped within the fibres, thereby eliminating
contamination as the solder balls dry out.
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Vacuum Cleaning Test Results
Rayon Polyester HYPERCLEAN Cellulose Polyester
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Vacuum Cleaning Test Results
Rayon Polyester HYPERCLEAN Cellulose Polyester
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IPC Report
• Ask for your copy or download• Product A = DEK Rayon/polyester• Product B = Hyperclean• Product C = Cellulose/polyester
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Expected results with Hyperclean
• Reduced solvent usage 5-50%• Increased process window• Less rework• Reduced roll consumption up to 50%• ISO14001 compliance
Process cost savings
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Simply the best!
HYPERCLEAN
www.smt-express.com