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. 30, 2021
Filed:
Jun. 01, 2017
Sintokogio, Ltd., Nagoya, JP;
Yoshiyasu Makino, Toyokawa, JP;
SINTOKOGIO, LTD., Nagoya, JP;
Abstract
The present invention provides a surface property inspection method including a step of setting a resistance ratio between resistors Rand Rof an AC bridge circuitin a surface properly inspection apparatus. The step includes a step for placing a non-surface-treated reference test pieces S on a reference detectorand an inspection detectorand measuring a first setting output signal while changing the resistance ratio γ, a step for placing the reference test piece S on the reference detector, placing a surface-treated setting test piece on the inspection detector, and measuring a second setting output signal while changing the resistance ratio, a step for calculating the differential value between the first and second output signals, and a step for setting the resistance ratio so that the absolute value of the differential value is maximized.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile