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:
Jun. 14, 2016
Filed:
Sep. 11, 2013
Mitutoyo Corporation, Kanagawa, JP;
Masanobu Kataoka, Miyazaki, JP;
MITUTOYO CORPORATION, Kanagawa, JP;
Abstract
Provided is a hardness tester and method including an indentation former creating an indentation in a sample surface with an indenter; a first area calculator calculating an area of the indentation during application of pressure, the indentation being formed in the sample surface while the indenter is pressed against the sample; an image capture controller controlling a CCD camera to obtain image data of the sample surface; a second area calculator calculating the area of the indentation remaining in the sample surface based on the obtained image data; an elasticity index calculator calculating an elasticity index of the sample based on the area of the indentation during application of pressure and the area of the indentation calculated by the second area calculator; and a hardness value calculator calculating a hardness value of the sample based on the indentation remaining in the sample surface.