GEL PAD OPTICAL SENSOR

摘要

An improved sensor (10) using a gel (15). In one aspect, the gel is an oil plasticized thermoplastic elastomer gel. In one embodiment, the gel (15) is mineral oil-based. The gel may be embedded on a support layer (14). Means for reducing shunted light from the gel (15) are provided, such as substantially opaque material in the gel (15) or breaks in the gel.