Touch position sensitive optical waveguides

Details Touch position sensitive optical waveguides Touch position sensitive optical waveguides

1986-03-03

1987-10-20

Lee, John

Stock material or miscellaneous articles

Composite

Of bituminous or tarry residue

350 9612, 4284255, 428429, 428447, 525478, 528 15, 528 31, 528 32, C08G 7706, G02B 612

Patent

active

047010177

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.

REFERENCES:
patent: 3036985 (1962-05-01), Daudt
patent: 3341490 (1967-09-01), Burdick et al.
patent: 3436366 (1969-04-01), Modic
patent: 3915924 (1975-10-01), Wright
patent: 4472470 (1984-09-01), Modic
patent: 4484179 (1984-11-01), Kasday
patent: 4511620 (1985-04-01), Kroupa et al.
patent: 4528243 (1985-07-01), Kookootsedes et al.
patent: 4529789 (1985-07-01), Kroupa
patent: 4535141 (1985-08-01), Kroupa

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