Control element having liquid layer attainable to geometrically

Details Control element having liquid layer attainable to geometrically Control element having liquid layer attainable to geometrically

1975-12-17

1977-06-21

Sikes, William L.

350267, G05D 2500

Patent

active

040308138

ABSTRACT:
A device comprising a support member of a solid material, a liquid material in intimate contact with and supported by the support member and an electrical means for creating an electric field having an electric vector in a direction parallel to the interface between the two materials to cause an electroosmotic movement of a portion of the liquid material and a resulting patterned unevenness of the configuration of the liquid material, wherein the liquid material contains a derivative of silane or siloxane which has a functional group having chemical affinity with solid organic materials useful as the support member, typified by vinyl, methacryloxy, cycloepoxy, mercapto and chlorine radicals, and/or another functional group having chemical affinity with inorganic materials useful as the support member, typified by alkoxyl group. When the solid and liquid materials are transparent, the device functions as an electrically controllable optical lens.

REFERENCES:
patent: 2062468 (1936-12-01), Matz
patent: 3397313 (1968-08-01), Mast
patent: 3909116 (1975-09-01), Kohashi

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