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:
Oct. 07, 2014
Filed:
Oct. 19, 2011
Josh Cormier, Los Gatos, CA (US);
Fangli Hao, Cupertino, CA (US);
Hong Shih, Walnut, CA (US);
Tuochuan Huang, Saratoga, CA (US);
John Daugherty, Fremont, CA (US);
Allan Ronne, Santa Clara, CA (US);
Fred Dennis Egley, Sunnyvale, CA (US);
Josh Cormier, Los Gatos, CA (US);
Fangli Hao, Cupertino, CA (US);
Hong Shih, Walnut, CA (US);
Tuochuan Huang, Saratoga, CA (US);
John Daugherty, Fremont, CA (US);
Allan Ronne, Santa Clara, CA (US);
Fred Dennis Egley, Sunnyvale, CA (US);
Lam Research Corporation, Fremont, CA (US);
Abstract
An automated hydrogen bubble detection apparatus includes a horizontal support surface on which a test coupon can be supported, a transparent tube having an open top and an open bottom and operable to contain a test solution when positioned on a test coupon, a camera arranged to view a test solution in the transparent tube, and a controller in communication with the camera and effective to operate the camera such that at least one video segment is recorded by the camera and analyzed to detect first bubble and continuous bubble generation. A method of evaluating corrosion resistance of coatings on aluminum and steel in acidic solution is also included.