Substrates

TPI offers substrates made of glass, polycarbonate, acrylic and other plastics.
Substrates

Substrates are used to provide rigidity to resistive touchscreens. A two layer resistive touchscreen design has a conductive glass substrate which provides both rigidity and electrical functionality. A three layer design may use a rigid glass or a plastic substrate to provide support.

TPI offers substrates made of glass, polycarbonate, acrylic and other plastics. These substrates are available in a wide range of thicknesses and properties.

Standard Glass

Standard glass is used in cost sensitive commercial applications. Chemically strengthened and heat tempered glass provide superior strength compared to untreated glass. Strengthened glass substrates are suitable for industrial and military applications where a touchscreen’s mechanical strength and durability is a must. Thermal and dimensional stability of glass makes it a suitable substrate where touchscreens need to operate in a wide range of environmental conditions.

Standard and strengthened glass substrates are available in the following standard thicknesses in both conductive and non-conductive versions:

  • 0.04″ [1 mm]
  • 0.06″ [1.5 mm]
  • 0.08″ [2 mm]
  • 0.093″ [2.36 mm]

Plastic Substrates

Plastic substrates are unbreakable and lighter in weight. They are suitable for hand-held devices and laptops where weight limitations are a factor. Plastic substrates tolerate high impacts and are virtually non-destructible making them a suitable candidate when user safety is of utmost concern. These substrates are available with antiglare and hardcoat finishes.

Acrylic and Polycarbonate

Acrylic and polycarbonate substrates are available in the following standard thicknesses,

  • 0.02″ [0.5 mm]
  • 0.04″ [1 mm]
  • 0.06″ [1.5 mm]
  • 0.08″ (2 mm]
  • 0.12″ [3 mm]

Specialized Applications

Other materials and thicknesses are available for specialized application. Please contact one of our application engineers to review your specific requirements and to help you select the best substrate for your application.

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