Touch Screen

Creative Materials offers a variety of inks for use in capacitive, resistive and acoustic wave touch screens. To keep abreast of the advances in the touch screen industry, Creative Materials has made this a major focus of our development efforts. Some of our innovative and best-selling products include:

118-09C, Solvent-Resistant Electrically Conductive Ink, used for bus bars in touch screens, offers excellent adhesion to transparent conductive oxides (TCOs), including ITO (indium tin oxide), and can be screen-printed. Blended with compatible carbon inks, the conductivity level can be adjusted to fit cost-conscience applications where the high conductivity of pure silver is not needed.

Creative Materials developed 125-48A/B , Black Electrically Conductive Carbon Ink and 125-47A/B, Opaque Black Dielectric Ink to work together to provide more visually appealing effects. These products are color-matched to have a nearly indiscernible difference in color and hue. Designed for use in touch screen applications, these inks can conceal conductive features or hide insulated regions within conductive features. 125-48A/B is highly opaque and optically dense screen-printable ink capable of printing at 150μm. Formulated to adhere to ITO surfaces, 125-48A/B is also a low-temperature curing two-component system.

With applications in printed electronics, 125-26A/B119-44, Electrically Conductive Fine-Line Two-Part Epoxy Ink offers the ability to print fine circuit lines, demonstrated at 100μm lines and spaces and capable of 75μm lines and spaces. Screen-printable and formulated to adhere to ITO surfaces, this product is also a low-temperature curing two-component system.

Conductive and anisotropic adhesives are used for bonding tails and transducers and can be used with our optically clear protective UV overcoat, 116-20LH. This product is an optically clear, screen-printable solvent-resistant flexible ultraviolet-curable coating and provides an insulating layer over and/or between polymer thick film conductive coatings in the manufacture of touch screens, membrane switches and flex circuits.

Touch Screen Membrane

Order Sample Technical
Question
Product
Recommendation

Silver Inks

Product
Resistivity (ohm/sq/mil)
Typical Cure
Comments
< 0.019
20 mins @ 125°C
Screen-printable 1 part, flexible epoxy conductive ink with solvent resistance.
< 0.019
20 mins @ 125°C
Screen-printable 2 part, flexible epoxy conductive ink with solvent resistance.
< 0.030
30 mins @ 150°C
Screen-printable fine-line version of 118-09, capable of 4 mils line widths and spacing.
< 0.020
3-5 mins @ 120°C
Screen-printable thermoplastic conductive ink with good flexiblity offering very low curing temperatures.
< 0.015
3-5 mins @ 120°C
Screen-printable fine-line version of 120-07, capable of 4 mils line widths and spacing.
< 0.015
3-5 mins @ 120°C
Flexographic printable conductive ink for roll to roll printing of touch screens.

Low Cost Inks

Product
Resistivity (ohm/sq/mil)
Typical Cure
Comments
< 0.20
3-5 mins @ 110°C
Screen-printable silver-filled low cost version of 118-09A/B.
< 150
5 mins @ 125°C
Screen-printable carbon version of 118-09A/B.
< 50
3-5 mins @ 120°C
Screen-printable carbon version of 120-07.

Dielectric Inks

Product
Color
Description
Clear
Screen-printable solvent-resistant thermal cured ink and coating for ITO coated PET and other substrates.
Clear
Screen-printable 100% solids flexible solvent-resistant low odor UV-curable dielectric ink and coating for ITO coated PET and other substrates.
Clear
Ultra low haze screen-printable 100% solids flexible solvent-resistant low odor UV-curable dielectric ink and coating for ITO coated PET and other substrates.

Color Matched Conductive and Dielectric Black Inks

Product
Resistivity (ohm/sq/mil)
Comments
1 x 10^16
Screen-printable opaque black dielectric for monitor bezels and surrounds.
< 450
Screen-printable black conductive ink, color matched to 125-47 for front bus connections.

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