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:
May. 09, 2023

Filed:

Jul. 07, 2021
Applicant:

Applied Materials Israel Ltd., Rehovot, IL;

Inventors:

Itay Asulin, Rehovot, IL;

Emil Weisz, Modiin, IL;

Eitam Yitzchak Vinegrad, Rehovot, IL;

Menachem Lapid, Hashmonaim, IL;

Boris Rozensvaig, Ashdod, IL;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 37/244 (2006.01); H01J 37/28 (2006.01);
U.S. Cl.
CPC ...
H01J 37/244 (2013.01); H01J 37/28 (2013.01); H01J 2237/2443 (2013.01); H01J 2237/2445 (2013.01); H01J 2237/2448 (2013.01); H01J 2237/24475 (2013.01);
Abstract

A scanning electron microscope and a method for evaluating a sample, the method may include (a) illuminating the sample with a primary electron beam, (b) directing secondary electrons emitted from the sample and propagated above a first scintillator, towards an upper portion of the first scintillator, wherein the first scintillator and a second scintillator are positioned between the sample and a column electrode of the column; wherein the first scintillator is positioned above the second scintillator; (c) detecting the secondary electrons by the first scintillator; (d) directing backscattered electrons emitted from the sample towards a lower portion of the second scintillator; and (e) detecting the backscattered electrons by the second scintillator.


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