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    Home > Coatings News > Paints and Coatings Market > New ink supports more smart film substrates for microcircuit products

    New ink supports more smart film substrates for microcircuit products

    • Last Update: 2021-09-21
    • Source: Internet
    • Author: User
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    DuPont introduced a new ink, paving the way for more types of plastic films to be applied to printed electronic products, which is very important for consumer electronics, home appliances, biomedical products and other products that use microcircuits
    .

    DuPont Microcircuit Materials has developed electronic inks that can be quickly cured at 80°C, making it possible to print on low-cost resin films such as PVC, PS, HDPE, and acrylic
    .
    Circuit diagrams printed on the film can be used as sensors, smart antennas, heating surfaces, and smart packaging
    .


    DuPont

    claims that its new inks provide greater options for plastic film substrates.
    DuPont claims that traditional electronic inks will basically cure at 110°C-140°C
    .
    This limits the choice of plastic film substrates.
    Only PET with strong thermal stability can be selected, or for high-temperature applications, polyethylene naphthalate (PEN) or polyimide can be selected
    .


    "This is a huge challenge
    .
    " Steven Willoughby said in a telephone interview
    .
    Many people in the electronics industry have tried to lower the curing temperature of the ink.
    Although it can be cured at room temperature before use, it is very inconvenient, or the ink loses its adhesion to the substrate after printing
    .


    In the screen printing process, applying electronic ink to the substrate can create small circuits, which is the core of many modern products
    .
    Ink usually consists of three parts: a solvent, a resin that can be cured into a coagulum, and a conductive material, such as silver or a mixture of silver and other metals
    .
    Willoughby explained that DuPont solved the problem of curing temperature by adjusting the solvent and resin
    .


    Willoughby said that DuPont's low-temperature curing inks are named PE827 and PE828, which provide greater design flexibility and can significantly reduce costs because a variety of basic plastic film substrates can be used
    .


    "It really opens the door for the application designer," DuPont Microcircuit Materials department Kerry Adams said the manager, the company is currently associated methods, the electronics industry can penetrate into the "any device"
    .


    DuPont Microcircuit Materials is located in the Research Triangle Park in North Carolina, USA
    .
    Its electronic inks have also found suitable applications in conductive traces, capacitor and resistor components, and dielectric and encapsulation layers
    .
    In addition to plastic films, suitable substrates include glass and ceramics
    .


    Willoughby said that after a trial by potential customers, the new ink was confirmed to be qualified
    .
    Through commercial mass production, it will be available for sale in about a year
    .
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