The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 13, 2012
Filed:
Oct. 06, 2009
David A. Fattal, Mountain View, CA (US);
Zhiyong LI, Redwood City, CA (US);
Qiangfei Xia, Palo Alto, CA (US);
David A. Fattal, Mountain View, CA (US);
Zhiyong Li, Redwood City, CA (US);
Qiangfei Xia, Palo Alto, CA (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
An optical device for surface enhanced Raman spectroscopy includes a substrate, and at least one antenna established thereon. The at least one antenna including at least two segments, where each segment is formed of a metal having a predetermined volume and a predetermined contact angle with respect to the substrate. A gap is located between the two segments. The gap has a controllable size such that the at least one antenna resonates at a predetermined frequency that corresponds with the gap.