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2. Liquid optically clear adhesive - Wikipedia

   en.wikipedia.org/.../Liquid_optically_clear_adhesive

   Liquid optically-clear adhesive (LOCA) is liquid-based bonding technology used in touch panels and display devices to bind the cover lens, plastic, or other optical materials to the main sensor unit or each other. These adhesives improve optical characteristics and durability.

3. Optical bonding - Wikipedia

   en.wikipedia.org/wiki/Optical_bonding

   Silicone: The most commonly found adhesive in optical bonding processes that dates back to the 1970s as a solution. [citation needed] Silicone's core properties of low conductivity and chemical reactivity, thermal stability, and ability to repel water and form watertight seals make it a common solution for optical bonding. Also, because it is a ...

4. Diasec - Wikipedia

   en.wikipedia.org/wiki/Diasec

   Diasec is the registered trademark for the original method of face-mounting prints, such as photographs on acrylic sheets. The process was invented by Heinz Sovilla-Brulhart in 1969. The process was invented by Heinz Sovilla-Brulhart in 1969.

5. Index-matching material - Wikipedia

   en.wikipedia.org/wiki/Index-matching_material

   Certain optical components, such as a Wollaston prism or Nicol prism, are made of multiple transparent pieces that are directly attached to each other. The adhesive is usually index-matched to the pieces. Historically, Canada balsam was used in this application, but it is now more common to use epoxy or other synthetic adhesives.

6. Aluminium oxynitride - Wikipedia

   en.wikipedia.org/wiki/Aluminium_oxynitride

   Aluminium oxynitride is optically transparent (≥80% for 2 mm thickness) in the near-ultraviolet, visible, and mid-wave-infrared regions of the electromagnetic spectrum. It is four times as hard as fused silica glass, 85% as hard as sapphire, and nearly 115% as hard as magnesium aluminate spinel. It can be fabricated into transparent windows ...

7. Pressure-sensitive adhesive - Wikipedia

   en.wikipedia.org/wiki/Pressure-sensitive_adhesive

   In contrast, pressure-sensitive adhesives (PSAs) form a bond simply by the application of light pressure to marry the adhesive with the adherend. Pressure-sensitive adhesives are designed with a balance between flow and resistance to flow. The bond forms because the adhesive is soft enough to flow, or wet, the adherend.