Touch position sensitive optical waveguides
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United States of America Patent
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Oct 20, 1987
Grant Date -
N/A
app pub date -
Mar 3, 1986
filing date -
Mar 3, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Touch position sensitive optical waveguides comprise a layer of optically transparent polyorganosiloxane elastomer exhibiting a hardness of up to 100 on the Shore 00 scale. The elastomer layer is the product of a hydrosilation reaction and at least one surface of the layer bears a dirt-and puncture-resistant coating formed from a polyurethane, a polyorganosiloxane or an organosiloxane/urethane copolymer. The compressability, compressive strength and resiliency of the waveguide are within specified limits.
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