_ _ _ nir ® (near infrared) drying technology thompson direct inc dion thompson 2397 von esch rd...
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_ _ _ nir® (Near Infrared)Drying Technology
Thompson Direct Inc
Dion Thompson2397 Von Esch RdPlainfiled IL [email protected]
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_ _ _ nir ® Technology Overview
• Only AdPhos has a peak irradiation wavelength of .8 µm– Most other inkjet drying systems use straight infrared at 2 µm and
above. – Other systems using _ _ _ nir (NearInfraRed) technology are at 1.2
µm.
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_ _ _ nir ® Technology Overview
_ _ _ nir ® (NearInfraRed) technology enables application of the highest energy quantities on the greatest diversity of substrates
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Absorption/Transmission of Energy for Inkjet Applications
• Black ink absorbs energy across all wavelengths • _ _ _ nir applies more energy to the ink and less to white paper
compared to traditional _ _ _ ir
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Absorption/Transmission of Energy for Inkjet Applications
Paper Paper
Mailbase or Reflector
_ _ _ nir Technology Infrared Technology0.8 µm = 3500K >1.5 µm = 2500K
• NIR radiation travels through substrates, reflects off of the mailbase or reflector material and dries the ink from top and bottom
• IR radiation dries via a “top down” approach. The ink and paper are equally heated from the top only.
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• Greater production speeds and throughput– Due to the greater absorption of energy by the ink and not
the substrates, the inks dry approx. 30% faster and more thoroughly than with conventional infrared technology.
– Reduced heating of substrates results in less paper curl and improves substrate handling.
– Precise energy control / Tool-less lamp replacement• Ability to inkjet on greater variety of substrates
– Faster and more thorough drying expands the substrate space printers can image.
• One customer expanded their number of coated substrates they were able to print and dry on from 6 to over 30
• With the proper ink formulatuion (ie. Flexprint Aqueous) customers can print and dry at full production speeds on even the most challenging of substrates – even on some plastic card and UV overcoated materials.
Benefits of _ _ _ nir® Technology
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• Reduced operating cost– _ _ _nir® requires approx 30% less power than IR– Patented reflector system reflects >98% of the energy
toward where it is needed.
Benefits of _ _ _ nir® Technology