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:
Apr. 09, 2002
Filed:
Jan. 14, 1999
Mario A. Cugini, Vista, CA (US);
Jeff Brakley, San Diego, CA (US);
Gilbert Norman Ravich, Lawndale, CA (US);
ManiaTech Incorporated, Santa Ana, CA (US);
Abstract
A tester ( ), for testing electrical trace ( T) without electrical connection to test trace ( T), generally comprises an electro-magnetic source ( ), such as a laser ( ) for providing a beam ( ) of electro-magnetic radiation, such as of ultraviolet light, directed on a single test trace ( T) for producing a photoelectric effect on test trace ( T) liberating electrons therefrom, a collector ( ) disposed near test trace ( T) for collecting liberated electrons, and a collector circuit ( ) electrically connected to collector ( ) for supplying a positive potential thereto and including a meter ( ) for measuring the photoelectric current to collector ( ) from trace ( T).