Patent ID: 6890619

Claim:
A device comprising: (a) a solid component and (b) a liquid composition interfaced therewith, said liquid composition having a refractive-index that is substantially equal to that of said solid component, said liquid composition being selected from the group consisting of: (i) saturated cyclic compounds consisting essentially of carbon and hydrogen and optionally oxygen, said saturated cyclic compounds being selected from the group consisting of oxygen substituted cyclic compounds and cyclic compounds comprising more than one ring, (ii) benzene substituted with one or more fluoro groups or substituted with one or more electron-donating groups attached directly to the ring and one or more fluoro groups attached to the ring or to the electron-donating groups, and (iii) a combination comprising one or more of benzene or substituted benzene and at least one of an alkane or substituted alkane having a boiling point less than about 130 ° C. wherein said substituted benzene is substituted with one or more fluoro groups, fluoroalkyl groups or alkoxy groups.