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.

Date of Patent:
Mar. 03, 2009

Filed:

May. 24, 2004
Applicants:

David Alumot, Rehovot, IL;

Gad Neumann, Rehovot, IL;

Rivka Sherman, Ramat Hasharon, IL;

Ehud Tirosh, Jerusalem, IL;

Inventors:

David Alumot, Rehovot, IL;

Gad Neumann, Rehovot, IL;

Rivka Sherman, Ramat Hasharon, IL;

Ehud Tirosh, Jerusalem, IL;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method and apparatus for inspecting the surface of articles, such as chips and wafers, for defects, includes a first phase of optically examining the complete surface of the article inspected at a relatively high speed and with a relatively low spatial resolution, and a second phase of optically examining with a relatively high spatial resolution only the suspected locations for the presence or absence of a defect therein.


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