Our customer, a supplier of military grade ruggedised electronics equipment required assistance in the development, prototyping and manufacture of two components that will bond and seal the LCD screen and keypad into a ruggedised PC. The product is used in hostile environments, subject to heat extremes, dust, dirt, vibration and shock.
We specified high performance materials for three components to go into the device that could withstand the extreme environments. We produced a foam gasket to bond and seal the LCD screen using VHB tape, which offers a strong and durable bond, as well as excellent sealing and vibration dampening properties. To bond the keypad we produced a component using a double coated differential tape, with a silicone adhesive one side to attach to the keypad and an acrylic adhesive the other side to attach to the aluminium chassis.
A gap filling component using Poron™ high performance polyurethane foam was incorporated, for placement behind the PCB to protect it from keyboard pressure. The final parts were presented to aid assembly, e.g. with split back liners.
Read about this project in more detail below.
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