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:
Jul. 06, 2021
Filed:
Nov. 06, 2019
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Arthur W. Ellis, Pleasantville, NY (US);
Richard A. Haight, Mahopac, NY (US);
James B. Hannon, Lake Lincolndale, NY (US);
Rudolf M. Tromp, North Salem, NY (US);
Assignee:
INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01B 11/16 (2006.01); G01L 1/24 (2006.01);
U.S. Cl.
CPC ...
G01L 1/24 (2013.01); G01B 11/161 (2013.01);
Abstract
A force detector and method for using the same include a lens and a cantilever below the lens. A laser above the lens is configured to emit a beam of light that reflects from a surface of the lens and the cantilever. A processor is configured to determine a force between the lens and the cantilever based on interference between the light reflected from the surface and the light reflected from the cantilever.