Sensor packaging method for a human contact interface
Abstract:
Methods of packaging systems pressure-sensitive devices that are subject to human contact force are disclosed. The methods include coupling and attaching the sensing devices and at least one other integrated circuit to a substrate; applying and curing a relatively-soft, protective material over the sensing portion of the sensing device; positioning a covering tool over the cured material; applying and curing a relatively-hard, protective coating around the covering tool and the relatively-soft, protective material; and applying a second, relatively-soft, protective material in the void left by the withdrawn covering tool.
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