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:
May. 12, 2015
Filed:
Aug. 27, 2010
John Steele Abbott, Iii, Elmira, NY (US);
Daniel R Harvey, Bath, NY (US);
Correy Robert Ustanik, Painted Post, NY (US);
John Steele Abbott, III, Elmira, NY (US);
Daniel R Harvey, Bath, NY (US);
Correy Robert Ustanik, Painted Post, NY (US);
Corning Incorporated, Corning, NY (US);
Abstract
Methods and apparatus () for estimating the gravity-free shape of a flexible object () such as a thin sheet of glass are provided. In certain embodiments, an estimate of the gravity-free shape is produced using a bed-of-nails (BON) gauge () and then the shape is measured at a higher spatial resolution using a second gauge (), with the theoretical sag between the pins () of the BON gauge being subtracted from the shape measured by the second gauge. In other embodiments, shape measurements are performed on both sides of the object () and used to estimate the reliability of the gravity-free shape estimate. In further embodiments, the bed-of-nails gauge () uses a least squares minimization procedure in adjusting the heights of the pins ().