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US 9,310,306 B2Granted
Apparatus for use in sensing applications
AssigneeHewlett-Packard Development Company, L.P.
InventorsZhiyong Li, Ivan Naumov, Farzad Parvaresh
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Abstract
An apparatus for use in sensing applications includes a substrate and a plurality of clusters arranged in an aperiodic configuration on the substrate, wherein each of the plurality of clusters is formed of a plurality of Raman-active material nano-particles, and wherein each of the Raman-active material nano-particles is positioned in a substantially ordered configuration with respect to each other in each of the respective plurality of clusters.
Claims8
A method for fabricating a sensing apparatus, said method comprising:
- forming a plurality of nano-fingers in a predetermined arrangement, wherein the predetermined arrangement includes the plurality of nano-fingers arranged in a plurality of clusters, and wherein the plurality of clusters are arranged in an aperiodic configuration;
- forming Raman-active material nano-particles on the tips of the nano-fingers;
- causing the tips of the plurality of nano-fingers in respective ones of the clusters to approach each other to cause the Raman-active material nano-particles in each of the clusters to contact and bond with at least one other Raman-active material nano-particle in the cluster;
- removing the bonded Raman-active material nano-particles from the tips of the plurality of nano-fingers, wherein the bonded Raman-active material nano-particles retain the ordered cluster configurations;
- and
- applying the ordered clusters onto a substrate in the aperiodic configuration to form the sensing apparatus.
3 more elements
Dependencies are inferred from the claim text.